Analysis
- max time kernel
135s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
01/06/2023, 10:42
General
- Target WnEQ46EYRmDUqHg.exe
- Size 659KB
- Sample230601-mrnv8aec6v
- SHA256 3f636bdccb31f00e931d76d42bad757c5d8f1ec7973c81f054bf2a1baf7d37a2
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5412042498:AAH4OVSAlB-9yvO0MxObTPVF8mPej6Ln4M4/sendMessage?chat_id=5573520537
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\WnEQ46EYRmDUqHg.exe"C:\Users\Admin\AppData\Local\Temp\WnEQ46EYRmDUqHg.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QyoFWUIzNBvl.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QyoFWUIzNBvl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F01.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\WnEQ46EYRmDUqHg.exe"C:\Users\Admin\AppData\Local\Temp\WnEQ46EYRmDUqHg.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\WnEQ46EYRmDUqHg.exe"C:\Users\Admin\AppData\Local\Temp\WnEQ46EYRmDUqHg.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
__PSScriptPolicyTest_11hftda1.lpn.ps1
tmp1F01.tmp
memory/2240-179-0x0000000007CF0000-0x000000000836A000-memory.dmp
memory/2240-149-0x00000000053E0000-0x0000000005402000-memory.dmp
memory/2240-186-0x00000000079D0000-0x00000000079D8000-memory.dmp
memory/2240-185-0x00000000079F0000-0x0000000007A0A000-memory.dmp
memory/2240-184-0x00000000078E0000-0x00000000078EE000-memory.dmp
memory/2240-144-0x0000000002AD0000-0x0000000002B06000-memory.dmp
memory/2240-183-0x0000000007930000-0x00000000079C6000-memory.dmp
memory/2240-146-0x00000000054E0000-0x0000000005B08000-memory.dmp
memory/2240-182-0x0000000007720000-0x000000000772A000-memory.dmp
memory/2240-168-0x0000000072DD0000-0x0000000072E1C000-memory.dmp
memory/2240-150-0x0000000005CC0000-0x0000000005D26000-memory.dmp
memory/2240-181-0x000000007EF00000-0x000000007EF10000-memory.dmp
memory/2240-151-0x0000000005D30000-0x0000000005D96000-memory.dmp
memory/2240-161-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/2240-180-0x00000000076B0000-0x00000000076CA000-memory.dmp
memory/2240-164-0x0000000006390000-0x00000000063AE000-memory.dmp
memory/2240-166-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/2240-178-0x0000000006950000-0x000000000696E000-memory.dmp
memory/2240-162-0x0000000002AC0000-0x0000000002AD0000-memory.dmp
memory/2240-167-0x0000000006970000-0x00000000069A2000-memory.dmp
memory/3300-147-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3300-165-0x0000000006880000-0x0000000006A42000-memory.dmp
memory/3300-163-0x0000000005510000-0x0000000005520000-memory.dmp
memory/3300-189-0x0000000005510000-0x0000000005520000-memory.dmp
memory/5092-133-0x0000000000AB0000-0x0000000000B5C000-memory.dmp
memory/5092-136-0x00000000055A0000-0x00000000055AA000-memory.dmp
memory/5092-134-0x00000000059C0000-0x0000000005F64000-memory.dmp
memory/5092-135-0x0000000005410000-0x00000000054A2000-memory.dmp
memory/5092-139-0x0000000008640000-0x00000000086DC000-memory.dmp
memory/5092-138-0x0000000005650000-0x0000000005660000-memory.dmp
memory/5092-137-0x0000000005650000-0x0000000005660000-memory.dmp