Analysis
- max time kernel
50s - max time network
154s - platform
windows7_x64 - resource
win7-20220414-en - submitted
17/05/2022, 10:42
General
- Target TT copy.exe
- Size 371KB
- Sample220517-mrnv8aafd8
- SHA256 1f7cd0cb15550fd5bf1a49353ae74845965cb3d313f5b8e66f4bd2835661917f
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
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Host
mail.sikdertradegroup.com
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Port
587
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Username
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Password
Bangladesh321
-
Email to
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). 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\TT copy.exe"C:\Users\Admin\AppData\Local\Temp\TT copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QqYipeFgD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp63C3.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\TT copy.exe"{path}"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
tmp63C3.tmp
memory/1284-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1284-72-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1284-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1284-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1284-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1284-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1284-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1672-54-0x0000000000920000-0x0000000000984000-memory.dmp
memory/1672-55-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
memory/1672-56-0x0000000000300000-0x000000000030A000-memory.dmp
memory/1672-58-0x0000000000990000-0x00000000009B6000-memory.dmp
memory/1672-57-0x00000000044E0000-0x0000000004550000-memory.dmp