Analysis
- max time kernel
117s - max time network
187s - platform
windows10-2004_x64 - resource
win10v2004-20220331-en - submitted
13/04/2022, 09:03
General
- Target LKlxOcLiVTpxUWt.exe
- Size 739KB
- Sample220413-kz22pseaf9
- SHA256 1bdb0f035b8a4119d0dcf8f7753f2b89ddbf617e47883d15904d0ce96ca929a4
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5243953302:AAGFyxwcILx3S0Gq834R9NN-9m6enfFssYk/sendMessage?chat_id=5255359287
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\LKlxOcLiVTpxUWt.exe"C:\Users\Admin\AppData\Local\Temp\LKlxOcLiVTpxUWt.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vbNqTYbXbucplL.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vbNqTYbXbucplL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1613.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\LKlxOcLiVTpxUWt.exe"C:\Users\Admin\AppData\Local\Temp\LKlxOcLiVTpxUWt.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp1613.tmp
memory/692-125-0x00000000054E0000-0x0000000005A84000-memory.dmp
memory/692-126-0x0000000004F30000-0x0000000004FC2000-memory.dmp
memory/692-127-0x0000000005070000-0x000000000510C000-memory.dmp
memory/692-128-0x0000000004F00000-0x0000000004F0A000-memory.dmp
memory/692-129-0x0000000007380000-0x00000000073E6000-memory.dmp
memory/692-124-0x0000000000490000-0x0000000000550000-memory.dmp
memory/1288-140-0x0000000006C30000-0x0000000006DF2000-memory.dmp
memory/1288-137-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3672-138-0x00000000051D0000-0x0000000005236000-memory.dmp
memory/3672-144-0x00000000065A0000-0x00000000065BE000-memory.dmp
memory/3672-134-0x0000000005260000-0x0000000005888000-memory.dmp
memory/3672-132-0x0000000002710000-0x0000000002746000-memory.dmp
memory/3672-139-0x0000000005FF0000-0x000000000600E000-memory.dmp
memory/3672-141-0x0000000002845000-0x0000000002847000-memory.dmp
memory/3672-142-0x0000000006FA0000-0x0000000006FD2000-memory.dmp
memory/3672-143-0x0000000071410000-0x000000007145C000-memory.dmp
memory/3672-136-0x0000000005030000-0x0000000005052000-memory.dmp
memory/3672-145-0x0000000007930000-0x0000000007FAA000-memory.dmp
memory/3672-146-0x00000000072F0000-0x000000000730A000-memory.dmp
memory/3672-147-0x0000000007360000-0x000000000736A000-memory.dmp
memory/3672-148-0x0000000007570000-0x0000000007606000-memory.dmp
memory/3672-149-0x0000000007520000-0x000000000752E000-memory.dmp
memory/3672-150-0x0000000007630000-0x000000000764A000-memory.dmp
memory/3672-151-0x0000000007610000-0x0000000007618000-memory.dmp