Analysis
- max time kernel
60s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
24/10/2022, 12:21
General
- Target PO 897876.exe
- Size 213KB
- Sample221024-pjbl2agde2
- SHA256 a23deaa3f3ffb5b8e0901c2dd9961188dbe945f37fd184e7616e5f678ee718d5
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Executes dropped EXE 2 IoCs
- 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 1 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.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO 897876.exe"C:\Users\Admin\AppData\Local\Temp\PO 897876.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ieymaw.exe"C:\Users\Admin\AppData\Local\Temp\ieymaw.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ieymaw.exe"C:\Users\Admin\AppData\Local\Temp\ieymaw.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
hqfcpkdxn.d
ieymaw.exe
ieymaw.exe
ieymaw.exe
kpwimini.i
memory/4712-139-0x00000000049A0000-0x0000000004F44000-memory.dmp
memory/4712-140-0x0000000004F50000-0x0000000004FEC000-memory.dmp
memory/4712-141-0x0000000000400000-0x0000000000437000-memory.dmp
memory/4712-142-0x0000000005CB0000-0x0000000005E72000-memory.dmp
memory/4712-143-0x0000000005E80000-0x0000000005F12000-memory.dmp
memory/4712-144-0x0000000006050000-0x000000000605A000-memory.dmp