Analysis
- max time kernel
53s - max time network
125s - platform
windows10_x64 - resource
win10v20210410 - submitted
06/07/2021, 16:11
General
- Target PI.exe
- Size 1.3MB
- Sample210706-e9qankld6a
- SHA256 a6d3022b85a06e7711cf0a95786517d098852f39687134c70cc0a718c57b5016
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
-
Password
$ASmZLn8
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 2 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 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PI.exe"C:\Users\Admin\AppData\Local\Temp\PI.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\JarWPikh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22BB.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\PI.exe"C:\Users\Admin\AppData\Local\Temp\PI.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/3716-137-0x00000000057E0000-0x00000000057E1000-memory.dmp
memory/3716-134-0x0000000006AF0000-0x0000000006AF1000-memory.dmp
memory/3716-127-0x0000000000400000-0x000000000046A000-memory.dmp
memory/3904-119-0x00000000057F0000-0x00000000057F1000-memory.dmp
memory/3904-123-0x0000000007FD0000-0x0000000008041000-memory.dmp
memory/3904-124-0x000000000A550000-0x000000000A5CA000-memory.dmp
memory/3904-122-0x0000000005BB0000-0x0000000005BBF000-memory.dmp
memory/3904-121-0x0000000005930000-0x0000000005E2E000-memory.dmp
memory/3904-120-0x0000000005AF0000-0x0000000005AF1000-memory.dmp
memory/3904-114-0x0000000000E90000-0x0000000000E91000-memory.dmp
memory/3904-118-0x0000000005930000-0x0000000005931000-memory.dmp
memory/3904-117-0x0000000005E30000-0x0000000005E31000-memory.dmp
memory/3904-116-0x0000000005890000-0x0000000005891000-memory.dmp