Analysis
- max time kernel
144s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
13/01/2023, 16:49
General
- Target RFQ-43842 Teklif Gerekiyor.exe
- Size 919KB
- Sample230113-vbnvaaae73
- SHA256 916677af442bb08e425f3e31f614e2afca12ca7d2ab51976b409bd97013b0714
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
mail.alwethba.com
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Port
587
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Username
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Password
BI21Awe7zW
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Email to
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https://api.telegram.org/bot5814180506:AAFpVfxl9CBszzsUeg8FTylBwiTKUc4g3lA/sendMessage?chat_id=5056270248
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). Likely ransomware behaviour.
- 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\idsHufUEXEnG.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\idsHufUEXEnG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5FB4.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-43842 Teklif Gerekiyor.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
tmp5FB4.tmp
memory/1128-162-0x0000000006550000-0x0000000006712000-memory.dmp
memory/1128-147-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3672-149-0x0000000006C60000-0x0000000006C92000-memory.dmp
memory/3672-148-0x0000000005AE0000-0x0000000005AFE000-memory.dmp
memory/3672-156-0x0000000007060000-0x00000000070F6000-memory.dmp
memory/3672-150-0x0000000071150000-0x000000007119C000-memory.dmp
memory/3672-157-0x0000000007010000-0x000000000701E000-memory.dmp
memory/3672-144-0x0000000004CC0000-0x0000000004D26000-memory.dmp
memory/3672-158-0x0000000007120000-0x000000000713A000-memory.dmp
memory/3672-153-0x0000000007430000-0x0000000007AAA000-memory.dmp
memory/4136-134-0x00000000054A0000-0x0000000005532000-memory.dmp
memory/4136-132-0x00000000009B0000-0x0000000000A9C000-memory.dmp
memory/4136-136-0x00000000090B0000-0x000000000914C000-memory.dmp
memory/4136-135-0x0000000005440000-0x000000000544A000-memory.dmp
memory/4136-133-0x0000000005B90000-0x0000000006134000-memory.dmp
memory/4720-143-0x0000000004F30000-0x0000000004F52000-memory.dmp
memory/4720-154-0x00000000072F0000-0x000000000730A000-memory.dmp
memory/4720-155-0x0000000007360000-0x000000000736A000-memory.dmp
memory/4720-152-0x0000000006590000-0x00000000065AE000-memory.dmp
memory/4720-151-0x0000000071150000-0x000000007119C000-memory.dmp
memory/4720-145-0x0000000005040000-0x00000000050A6000-memory.dmp
memory/4720-159-0x0000000007610000-0x0000000007618000-memory.dmp
memory/4720-141-0x0000000005220000-0x0000000005848000-memory.dmp
memory/4720-140-0x00000000026E0000-0x0000000002716000-memory.dmp