Analysis
- max time kernel
61s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
09/01/2023, 15:20
General
- Target PDF TT Payment copy.exe
- Size 809KB
- Sample230109-sqrhlsef68
- SHA256 4a683b38bf8bcb7b198d4be37413033f2a015aaed075cbe81ba63e3190647dff
Malware Config
Signatures
- 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
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PDF TT Payment copy.exe"C:\Users\Admin\AppData\Local\Temp\PDF TT Payment copy.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\LebTFjV.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LebTFjV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp649.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PDF TT Payment copy.exe"C:\Users\Admin\AppData\Local\Temp\PDF TT Payment copy.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
PDF TT Payment copy.exe.log
tmp649.tmp
memory/456-158-0x0000000006EA0000-0x0000000007062000-memory.dmp
memory/456-157-0x0000000006B40000-0x0000000006B90000-memory.dmp
memory/456-146-0x0000000005790000-0x00000000057F6000-memory.dmp
memory/456-142-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3820-147-0x0000000005EA0000-0x0000000005F06000-memory.dmp
memory/3820-150-0x0000000070600000-0x000000007064C000-memory.dmp
memory/3820-143-0x0000000005870000-0x0000000005E98000-memory.dmp
memory/3820-160-0x0000000007D10000-0x0000000007D18000-memory.dmp
memory/3820-159-0x0000000007D30000-0x0000000007D4A000-memory.dmp
memory/3820-145-0x0000000005600000-0x0000000005622000-memory.dmp
memory/3820-156-0x0000000007C20000-0x0000000007C2E000-memory.dmp
memory/3820-155-0x0000000007C70000-0x0000000007D06000-memory.dmp
memory/3820-148-0x00000000066E0000-0x00000000066FE000-memory.dmp
memory/3820-149-0x0000000006CC0000-0x0000000006CF2000-memory.dmp
memory/3820-139-0x0000000005140000-0x0000000005176000-memory.dmp
memory/3820-151-0x0000000006CA0000-0x0000000006CBE000-memory.dmp
memory/3820-152-0x0000000008040000-0x00000000086BA000-memory.dmp
memory/3820-153-0x00000000079F0000-0x0000000007A0A000-memory.dmp
memory/3820-154-0x0000000007A60000-0x0000000007A6A000-memory.dmp
memory/4860-135-0x0000000005A50000-0x0000000005A5A000-memory.dmp
memory/4860-132-0x0000000000F40000-0x0000000001010000-memory.dmp
memory/4860-134-0x00000000059A0000-0x0000000005A32000-memory.dmp
memory/4860-133-0x0000000005EB0000-0x0000000006454000-memory.dmp
memory/4860-136-0x0000000008160000-0x00000000081FC000-memory.dmp