Analysis
- max time kernel
61s - max time network
129s - platform
windows10_x64 - resource
win10v20210408 - submitted
10/08/2021, 06:59
General
- Target S010891121011862 pdf.exe
- Size 771KB
- Sample210810-bhhfa42f4a
- SHA256 66a27d30bd7d23c23948d0e34da3eb8b687c32ec5cb5ab030c68b8c60a4e1f74
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.arfemaluminyum.com.tr
-
Port
587
-
Username
-
Password
nav00v1trwjv
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
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\S010891121011862 pdf.exe"C:\Users\Admin\AppData\Local\Temp\S010891121011862 pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\S010891121011862 pdf.exe"C:\Users\Admin\AppData\Local\Temp\S010891121011862 pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/912-121-0x0000000004D40000-0x0000000004D41000-memory.dmp
memory/912-123-0x0000000008400000-0x0000000008483000-memory.dmp
memory/912-118-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
memory/912-119-0x0000000004C00000-0x00000000050FE000-memory.dmp
memory/912-120-0x0000000004C00000-0x0000000004C01000-memory.dmp
memory/912-114-0x0000000000280000-0x0000000000281000-memory.dmp
memory/912-122-0x00000000082B0000-0x00000000082C1000-memory.dmp
memory/912-117-0x0000000005100000-0x0000000005101000-memory.dmp
memory/912-124-0x00000000085E0000-0x0000000008600000-memory.dmp
memory/912-116-0x0000000004B60000-0x0000000004B61000-memory.dmp
memory/3344-125-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3344-132-0x00000000053F0000-0x000000000548C000-memory.dmp
memory/3344-133-0x00000000067C0000-0x00000000067C1000-memory.dmp