TrojanSpy.Win32.EMOTET.SMAL9.hp
a variant of Win32/Kryptik.DOCP (ESET-NOD32); Trojan:Win32/Dynamer!ac (Microsoft)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan Spy
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan Spy arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan Spy adds the following folders:
- %Application Data%\{Random characters 1}
- %Application Data%\{Random characters 3}
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)
It drops the following copies of itself into the affected system and executes them:
- %Application Data%\{Random characters 1}\{Random Characters 2}.exe and executes
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)
It drops the following files:
- %Application Data%\{Random characters 3}\{Random Characters 4}.{Random characters 5}
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, and 8.)
Autostart Technique
This Trojan Spy modifies the following registry entry(ies) to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{GUID} = "%Application Data%\{Random characters 1}\{Random Characters 2}.exe"
Other System Modifications
This Trojan Spy adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
{Random Characters 6}
{Random Characters 7} = {Hex values}
Other Details
This Trojan Spy connects to the following possibly malicious URL:
- http://{BLOCKED}w.su/500.jpg
However, as of this writing, the said sites are inaccessible.