Analysis
- max time kernel
57s - max time network
123s - platform
windows7_x64 - resource
win7-20230220-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 6 IoCs
- 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 6 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⤵
- 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
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QyoFWUIzNBvl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6E8.tmp"2⤵
- Creates scheduled task(s)
-
-
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
tmpC6E8.tmp
memory/560-78-0x0000000002530000-0x0000000002570000-memory.dmp
memory/1440-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1440-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1440-79-0x0000000004AE0000-0x0000000004B20000-memory.dmp
memory/1440-77-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1440-75-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1440-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1440-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1440-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1440-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1764-56-0x0000000000510000-0x0000000000520000-memory.dmp
memory/1764-54-0x0000000001270000-0x000000000131C000-memory.dmp
memory/1764-67-0x0000000004E70000-0x0000000004E98000-memory.dmp
memory/1764-57-0x0000000004940000-0x0000000004980000-memory.dmp
memory/1764-59-0x00000000050A0000-0x0000000005102000-memory.dmp
memory/1764-58-0x0000000000520000-0x000000000052C000-memory.dmp
memory/1764-55-0x0000000004940000-0x0000000004980000-memory.dmp