Analysis
- max time kernel
61s - max time network
118s - platform
windows10_x64 - resource
win10v20210410 - submitted
06/07/2021, 15:59
General
- Target INVITATION TO TENDER NO MAT 021 PJTS 021 FOR THE PROVISION OF SUPPLY Instrument Bulk Material exe.exe
- Size 948KB
- Sample210706-4ndghw75qj
- SHA256 c0122aead3c5a7b1a3a8d5f5cd7dcafa2ea0966d08cd4480ee041f5dd8eae89d
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
smtp.trellaborg.com
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Port
587
-
Username
-
Password
p4+vh#8Puf*N
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
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C:\Users\Admin\AppData\Local\Temp\INVITATION TO TENDER NO MAT 021 PJTS 021 FOR THE PROVISION OF SUPPLY Instrument Bulk Material exe.exe"C:\Users\Admin\AppData\Local\Temp\INVITATION TO TENDER NO MAT 021 PJTS 021 FOR THE PROVISION OF SUPPLY Instrument Bulk Material exe.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\qXWbitWGEGe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B5.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\INVITATION TO TENDER NO MAT 021 PJTS 021 FOR THE PROVISION OF SUPPLY Instrument Bulk Material exe.exe"C:\Users\Admin\AppData\Local\Temp\INVITATION TO TENDER NO MAT 021 PJTS 021 FOR THE PROVISION OF SUPPLY Instrument Bulk Material exe.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4156-136-0x0000000006BD0000-0x0000000006BD1000-memory.dmp
memory/4156-135-0x0000000005700000-0x0000000005BFE000-memory.dmp
memory/4156-127-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4468-119-0x00000000058D0000-0x00000000058D1000-memory.dmp
memory/4468-123-0x00000000093D0000-0x000000000943A000-memory.dmp
memory/4468-124-0x000000000BBC0000-0x000000000BBF6000-memory.dmp
memory/4468-122-0x0000000005DC0000-0x0000000005DCF000-memory.dmp
memory/4468-121-0x0000000005940000-0x0000000005E3E000-memory.dmp
memory/4468-120-0x0000000005B40000-0x0000000005B41000-memory.dmp
memory/4468-114-0x0000000000F20000-0x0000000000F21000-memory.dmp
memory/4468-118-0x00000000059E0000-0x00000000059E1000-memory.dmp
memory/4468-117-0x0000000005E40000-0x0000000005E41000-memory.dmp
memory/4468-116-0x0000000005800000-0x0000000005801000-memory.dmp