Analysis
- max time kernel
141s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
21/09/2023, 05:53
General
- Target AWB 5331810761 DOCS.exe
- Size 558KB
- Sample230921-glb2ksff49
- SHA256 96ea4265a04a7c823bc0a2d69bd32f60e2444560514e432300f54188170de56c
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot6374308981:AAFJV8dSpWlDNEsEiQsLhSk26tafVqeXISw/sendMessage?chat_id=6518133154
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\AWB 5331810761 DOCS.exe"C:\Users\Admin\AppData\Local\Temp\AWB 5331810761 DOCS.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jWbdBRIGqFJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5222.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\AWB 5331810761 DOCS.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
AWB 5331810761 DOCS.exe.log
tmp5222.tmp
memory/4296-25-0x0000000005630000-0x0000000005640000-memory.dmp
memory/4296-24-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/4296-23-0x0000000006780000-0x0000000006942000-memory.dmp
memory/4296-22-0x0000000006560000-0x00000000065B0000-memory.dmp
memory/4296-21-0x0000000005630000-0x0000000005640000-memory.dmp
memory/4296-19-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/4296-16-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4700-5-0x0000000004CF0000-0x0000000004D82000-memory.dmp
memory/4700-6-0x0000000004C70000-0x0000000004C7A000-memory.dmp
memory/4700-11-0x00000000080C0000-0x0000000008134000-memory.dmp
memory/4700-12-0x0000000007F90000-0x0000000007FB6000-memory.dmp
memory/4700-9-0x0000000007CC0000-0x0000000007CCC000-memory.dmp
memory/4700-8-0x00000000057B0000-0x0000000005B04000-memory.dmp
memory/4700-7-0x0000000004EE0000-0x0000000004F36000-memory.dmp
memory/4700-10-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/4700-20-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/4700-0-0x0000000074490000-0x0000000074C40000-memory.dmp
memory/4700-4-0x0000000005200000-0x00000000057A4000-memory.dmp
memory/4700-3-0x0000000004B00000-0x0000000004B10000-memory.dmp
memory/4700-2-0x0000000004B50000-0x0000000004BEC000-memory.dmp
memory/4700-1-0x0000000000170000-0x0000000000202000-memory.dmp