Analysis
- max time kernel
77s - max time network
129s - platform
windows10_x64 - resource
win10v20210410 - submitted
02/08/2021, 16:14
General
- Target Project 4302021KSA.exe
- Size 1.3MB
- Sample210802-ksb9lcmkfa
- SHA256 55bd833636eeb445bd7e1ef5d23b5ce1a5bc26a3e6de305f37b8e285cec68443
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.tarsusmetalcelik.com
-
Port
587
-
Username
-
Password
Takanli%38M
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.tarsusmetalcelik.com
-
Port
587
-
Username
-
Password
Takanli%38M
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 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Project 4302021KSA.exe"C:\Users\Admin\AppData\Local\Temp\Project 4302021KSA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Project 4302021KSA.exe"C:\Users\Admin\AppData\Local\Temp\Project 4302021KSA.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3180-121-0x0000000003080000-0x000000000308D000-memory.dmp
memory/3180-117-0x0000000005620000-0x0000000005621000-memory.dmp
memory/3180-118-0x0000000003180000-0x0000000003181000-memory.dmp
memory/3180-119-0x0000000005970000-0x0000000005971000-memory.dmp
memory/3180-120-0x00000000030F0000-0x0000000003182000-memory.dmp
memory/3180-114-0x0000000000C50000-0x0000000000C51000-memory.dmp
memory/3180-122-0x000000000A490000-0x000000000A517000-memory.dmp
memory/3180-123-0x0000000005910000-0x0000000005931000-memory.dmp
memory/3180-116-0x0000000005C40000-0x0000000005C41000-memory.dmp
memory/3408-124-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3408-131-0x0000000005A30000-0x0000000005F2E000-memory.dmp
memory/3408-132-0x0000000006C80000-0x0000000006C81000-memory.dmp