Analysis
- max time kernel
137s - max time network
140s - platform
windows10_x64 - resource
win10v20210410 - submitted
12/07/2021, 08:57
General
- Target 60b3ad8d878d3912551c7d132536a49e.exe
- Size 664KB
- Sample210712-7sddvkf592
- SHA256 2c2ce93844f1742c83a36255e95c4eaa3ce0fb3162891968b22ee3dd46abee2a
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1703140104:AAE3Szc_iHGBeJ3wEbwNfKbwlIo-yu5Meus/sendMessage?chat_id=1755939698
Signatures
- Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\60b3ad8d878d3912551c7d132536a49e.exe"C:\Users\Admin\AppData\Local\Temp\60b3ad8d878d3912551c7d132536a49e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\60b3ad8d878d3912551c7d132536a49e.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3800-124-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3800-135-0x00000000069B0000-0x00000000069B1000-memory.dmp
memory/3800-133-0x0000000006440000-0x0000000006441000-memory.dmp
memory/3800-131-0x00000000051C0000-0x00000000056BE000-memory.dmp
memory/4048-118-0x0000000005230000-0x0000000005231000-memory.dmp
memory/4048-122-0x0000000008AE0000-0x0000000008B6E000-memory.dmp
memory/4048-123-0x000000000B270000-0x000000000B2B8000-memory.dmp
memory/4048-121-0x0000000005030000-0x000000000552E000-memory.dmp
memory/4048-120-0x0000000006BB0000-0x0000000006BB2000-memory.dmp
memory/4048-119-0x0000000006C40000-0x0000000006C41000-memory.dmp
memory/4048-114-0x0000000000810000-0x0000000000811000-memory.dmp
memory/4048-117-0x0000000005110000-0x0000000005111000-memory.dmp
memory/4048-116-0x0000000005530000-0x0000000005531000-memory.dmp