TSPY_ZBOT.HYS
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
Threat Type: Spyware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It executes then deletes itself afterward.
TECHNICAL DETAILS
389,632 bytes
EXE
Yes
25 Apr 2013
Arrival Details
This spyware 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 spyware drops the following file(s)/component(s):
- %AppDataLocal%\{random}.{random}
(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local on Windows Vista and 7.)
It drops the following copies of itself into the affected system:
- %Application Data%\{random}\{random}.exe
(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 and 7.)
It creates the following folders:
- %Application Data%\{random}
(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 and 7.)
It executes then deletes itself afterward.
Autostart Technique
This spyware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
{GUID} = "%Application Data%\{random}\{random}.exe"
Other System Modifications
This spyware adds the following registry keys:
HKEY_CURRENT_USER\Software\Microsoft\
{random key}
Other Details
This spyware connects to the following possibly malicious URL:
- {BLOCKED}.123.150:17595
- {BLOCKED}.184.49:28201
- {BLOCKED}.236.42:27789
- {BLOCKED}.91.99:10825
- {BLOCKED}.224.48:25192
- {BLOCKED}.199.73:14970
- {BLOCKED}.77.153:10206
- {BLOCKED}.243.164:21516
- {BLOCKED}165.58:23835
- {BLOCKED}219.108:26062
- {BLOCKED}112.230:18612
- {BLOCKED}.177.24:24437
- {BLOCKED}.2.63:23361
- {BLOCKED}.55.249:20782
- {BLOCKED}.3.123:17894
- {BLOCKED}.242.235:27446
- {BLOCKED}.81.152:20086
- {BLOCKED}.118.144:22277
- {BLOCKED}.246.200:16683
- {BLOCKED}.201.84:22059
- {BLOCKED}.159.91:15507