Analysis
- max time kernel
39s - max time network
56s - platform
windows10_x64 - resource
win10v20210408 - submitted
25/05/2021, 14:15
General
- Target 31f1af9445707fc766fb0800f4c64c6b.exe
- Size 690KB
- Sample210525-deeejcdt1a
- SHA256 345696b7cc8ff916738b7bbf2af305a4d6cb1062e0f2e5f189966b8fa5d30e9c
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1649522634:AAHMzNdMfGYzqUhrEozD2OA_g2yGuKCp2WA/sendMessage?chat_id=1681120947
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 3 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.
- 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
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 15 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\31f1af9445707fc766fb0800f4c64c6b.exe"C:\Users\Admin\AppData\Local\Temp\31f1af9445707fc766fb0800f4c64c6b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\31f1af9445707fc766fb0800f4c64c6b.exe"C:\Users\Admin\AppData\Local\Temp\31f1af9445707fc766fb0800f4c64c6b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 14403⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/672-114-0x0000000000E50000-0x0000000000E51000-memory.dmp
memory/672-116-0x00000000058B0000-0x00000000058B1000-memory.dmp
memory/672-117-0x0000000005650000-0x00000000056A4000-memory.dmp
memory/672-118-0x0000000005DC0000-0x0000000005DC1000-memory.dmp
memory/672-119-0x00000000057D0000-0x00000000057D1000-memory.dmp
memory/672-120-0x0000000005960000-0x0000000005961000-memory.dmp
memory/672-121-0x00000000057B0000-0x00000000057BF000-memory.dmp
memory/3728-122-0x0000000000400000-0x000000000046A000-memory.dmp
memory/3728-129-0x0000000005050000-0x000000000554E000-memory.dmp
memory/3728-130-0x0000000006220000-0x0000000006221000-memory.dmp