Analysis
- max time kernel
139s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
16/10/2024, 00:36
General
- Target eptfydgqkrerhxuq.exe
- Size 2.2MB
- Sample241016-axxdbstgpc
- SHA256 a91d9f566a433a99e842f33931932c66b86f8c5b74b4322484e54acaa06a2cff
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe"C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe"1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\eptfydgqkrerhxuq.exe"2⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30003⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/4508-4-0x00007FF759331000-0x00007FF759332000-memory.dmp
memory/4508-0-0x00007FF6D93C0000-0x00007FF6D93C1000-memory.dmp
memory/4508-5-0x00007FF7592D0000-0x00007FF759510000-memory.dmp
memory/4508-8-0x00007FF7592D0000-0x00007FF759510000-memory.dmp