Analysis
- max time kernel
104s - max time network
136s - platform
windows10_x64 - resource
win10-en - submitted
08/09/2021, 08:59
General
- Target Ehsu0xgexofjfX9.exe
- Size 806KB
- Sample210908-kxq7esebd2
- SHA256 e5590e3defedd7902bd4b14ca0c274f9c15af53cbaefdc5c0dbe6fad19133a6f
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
mail.yenihuzurtipmerkezi.com
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Port
587
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Username
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Password
bayram142536
Signatures
- 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
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Ehsu0xgexofjfX9.exe"C:\Users\Admin\AppData\Local\Temp\Ehsu0xgexofjfX9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gJQUiHkBdvjkwN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpADE9.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Ehsu0xgexofjfX9.exe"C:\Users\Admin\AppData\Local\Temp\Ehsu0xgexofjfX9.exe"2⤵
- 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/2320-135-0x0000000006880000-0x0000000006881000-memory.dmp
memory/2320-133-0x0000000005470000-0x000000000596E000-memory.dmp
memory/2320-126-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3952-119-0x0000000005160000-0x000000000565E000-memory.dmp
memory/3952-123-0x00000000076F0000-0x0000000007742000-memory.dmp
memory/3952-124-0x0000000009D70000-0x0000000009D92000-memory.dmp
memory/3952-122-0x00000000075C0000-0x00000000075C1000-memory.dmp
memory/3952-121-0x0000000005510000-0x0000000005526000-memory.dmp
memory/3952-120-0x00000000051C0000-0x00000000051C1000-memory.dmp
memory/3952-115-0x00000000008C0000-0x00000000008C1000-memory.dmp
memory/3952-118-0x0000000005200000-0x0000000005201000-memory.dmp
memory/3952-117-0x0000000005660000-0x0000000005661000-memory.dmp