Analysis
- max time kernel
66s - max time network
112s - platform
windows10_x64 - resource
win10v20210408 - submitted
02/07/2021, 08:42
General
- Target RFQ___FL.EXE
- Size 772KB
- Sample210702-5dwgen7tye
- SHA256 f8e4c7f5480d6b302e4870ca9eb28118ee47dd0dad4b689450782dfce53b8685
Malware Config
Extracted
-
snakekeylogger
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Protocol
smtp
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Host
smtp.francescoborgheti.com
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Port
587
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Username
-
Password
y}rDgrv_Y3!2
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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE"C:\Users\Admin\AppData\Local\Temp\RFQ___FL.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\qDGNoJAVsTtO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp562F.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE"C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/656-123-0x000000000BB40000-0x000000000BBA4000-memory.dmp
memory/656-124-0x0000000000E40000-0x0000000000E6F000-memory.dmp
memory/656-119-0x00000000053E0000-0x00000000058DE000-memory.dmp
memory/656-120-0x00000000052D0000-0x00000000052D1000-memory.dmp
memory/656-121-0x00000000055F0000-0x00000000055F1000-memory.dmp
memory/656-122-0x0000000009950000-0x000000000B94F000-memory.dmp
memory/656-114-0x00000000008C0000-0x00000000008C1000-memory.dmp
memory/656-118-0x00000000053E0000-0x00000000053E1000-memory.dmp
memory/656-116-0x0000000005340000-0x0000000005341000-memory.dmp
memory/656-117-0x00000000058E0000-0x00000000058E1000-memory.dmp
memory/2056-127-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2056-134-0x00000000058F0000-0x0000000005DEE000-memory.dmp
memory/2056-136-0x0000000006D40000-0x0000000006D41000-memory.dmp