Analysis
- max time kernel
145s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
12/07/2022, 11:11
General
- Target 70fa5fc5ca4c4748f8cca88b28c7110c.exe
- Size 169KB
- Sample220712-m99kmsadc4
- SHA256 5193e7d006b375ac296ea34ab8917842faf6e0eeea196ad9319ea28d8ffcab30
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
xvdUCau3
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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\70fa5fc5ca4c4748f8cca88b28c7110c.exe"C:\Users\Admin\AppData\Local\Temp\70fa5fc5ca4c4748f8cca88b28c7110c.exe"1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3116-130-0x0000000000320000-0x000000000034E000-memory.dmp
memory/3116-131-0x00007FFDCFFD0000-0x00007FFDD0A91000-memory.dmp
memory/3116-135-0x00007FFDCFFD0000-0x00007FFDD0A91000-memory.dmp
memory/3116-138-0x00007FFDEE370000-0x00007FFDEE565000-memory.dmp
memory/3116-139-0x00007FFDEE370000-0x00007FFDEE565000-memory.dmp
memory/3116-140-0x00000000219E0000-0x0000000021A30000-memory.dmp
memory/3116-141-0x00007FFDEE370000-0x00007FFDEE565000-memory.dmp
memory/4864-133-0x000001647BDB0000-0x000001647BDD2000-memory.dmp
memory/4864-134-0x00007FFDCFFD0000-0x00007FFDD0A91000-memory.dmp
memory/4864-136-0x00007FFDCFFD0000-0x00007FFDD0A91000-memory.dmp
memory/4864-137-0x00007FFDCFFD0000-0x00007FFDD0A91000-memory.dmp