Trojan.Win32.MALREP.THEOGBO

May 08, 2020
 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

106,496 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

08 May 2020

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other System Modifications

This Trojan adds the following registry entries:

HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
P0HEBt91\WvvjIuStCTExBDCldRQ6V4105
C24SB5160 = "u8Nqk9gBh950HfSD8dpUVj2CdndfajjrlGJPu183"

HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
UliocDfpPXTL6tGIvKELQq43\bClwE97fuM3foJvcM0yLj1Zh147
Mq0tl70qQODKCxxYn184 = "mxMTvwPZFT219"

HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
oeuA8IiJkyH0klhJZ0vxgkpsT57\Exyb9PyNHge64DYstiBZNGAS254
Wb36LftemIDnfiqGARj172 = "o1fItFTb7RcYW7zCTQVi2aTOt6vUzWZ244"

HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
CCACRAGwPUmYoJDa46\Bc7m76gG8oJx3j7a22cjDpOyU175
Hbre7NfawjKOqi2oyyycjXw6p255 = "niwxhT3cKjrfdo2cn3T204"

HKEY_CURRENT_USER\Software\VB and VBA Program Settings\
yp160\zOFzXcd58LtKaVuqcKpIkBpfucKeOFek81
W41zop5ocvEuObe80xFBtJsdQemzR796PL114 = "niwxhT3cKjrfdo2cn3T202"

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.850

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\VB and VBA Program Settings\P0HEBt91\WvvjIuStCTExBDCldRQ6V4105
    • C24SB5160 = "u8Nqk9gBh950HfSD8dpUVj2CdndfajjrlGJPu183"
  • In HKEY_CURRENT_USER\Software\VB and VBA Program Settings\UliocDfpPXTL6tGIvKELQq43\bClwE97fuM3foJvcM0yLj1Zh147
    • Mq0tl70qQODKCxxYn184 = "mxMTvwPZFT219"
  • In HKEY_CURRENT_USER\Software\VB and VBA Program Settings\oeuA8IiJkyH0klhJZ0vxgkpsT57\Exyb9PyNHge64DYstiBZNGAS254
    • Wb36LftemIDnfiqGARj172 = "o1fItFTb7RcYW7zCTQVi2aTOt6vUzWZ244"
  • In HKEY_CURRENT_USER\Software\VB and VBA Program Settings\CCACRAGwPUmYoJDa46\Bc7m76gG8oJx3j7a22cjDpOyU175
    • Hbre7NfawjKOqi2oyyycjXw6p255 = "niwxhT3cKjrfdo2cn3T204"
  • In HKEY_CURRENT_USER\Software\VB and VBA Program Settings\yp160\zOFzXcd58LtKaVuqcKpIkBpfucKeOFek81
    • W41zop5ocvEuObe80xFBtJsdQemzR796PL114 = "niwxhT3cKjrfdo2cn3T202"

Step 3

Scan your computer with your Trend Micro product to delete files detected as Trojan.Win32.MALREP.THEOGBO. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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