Analysis
- max time kernel
124s - max time network
140s - platform
windows10_x64 - resource
win10v20210408 - submitted
01/06/2021, 06:30
General
- Target I43OS23pg7HNqXI.exe
- Size 944KB
- Sample210601-2n2mnycckj
- SHA256 ac81d63e6eb0e60eb42c394765fd3b43bd84696e6af868db075b858bbf68650a
Malware Config
Extracted
-
snakekeylogger
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
gefqPU#Az8
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 16 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\I43OS23pg7HNqXI.exe"C:\Users\Admin\AppData\Local\Temp\I43OS23pg7HNqXI.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\I43OS23pg7HNqXI.exe"C:\Users\Admin\AppData\Local\Temp\I43OS23pg7HNqXI.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\I43OS23pg7HNqXI.exe"C:\Users\Admin\AppData\Local\Temp\I43OS23pg7HNqXI.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 14283⤵
- 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/636-114-0x0000000000A30000-0x0000000000A31000-memory.dmp
memory/636-116-0x0000000005370000-0x0000000005371000-memory.dmp
memory/636-117-0x0000000005910000-0x0000000005911000-memory.dmp
memory/636-118-0x00000000054B0000-0x00000000054B1000-memory.dmp
memory/636-119-0x0000000005330000-0x0000000005331000-memory.dmp
memory/636-120-0x0000000005620000-0x0000000005621000-memory.dmp
memory/636-121-0x0000000005410000-0x000000000590E000-memory.dmp
memory/636-122-0x00000000058C0000-0x00000000058D4000-memory.dmp
memory/636-123-0x0000000007A00000-0x0000000007A8D000-memory.dmp
memory/636-124-0x000000000A070000-0x000000000A0F8000-memory.dmp
memory/1976-125-0x0000000000400000-0x000000000046A000-memory.dmp
memory/1976-131-0x0000000005540000-0x0000000005A3E000-memory.dmp
memory/1976-132-0x00000000065E0000-0x00000000065E1000-memory.dmp