Analysis
- max time kernel
81s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
22/02/2023, 11:44
General
- Target 104.168.46.126_-_o_-_b08.exe___cbcffdbddd074c247071caed0e162729.exe
- Size 17KB
- Sample230222-nwjmqsbb94
- SHA256 2ad849391b902e19d516b7cd3eb0c1977eba5f39baf5f1e687ec09613866b721
Malware Config
Extracted
-
purecrypter
-
https://pentatunggal.com/o7/Dnivqllcmu.dat
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
doDHyw%0
-
Email to
Signatures
- PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
- 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.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\104.168.46.126_-_o_-_b08.exe___cbcffdbddd074c247071caed0e162729.exe"C:\Users\Admin\AppData\Local\Temp\104.168.46.126_-_o_-_b08.exe___cbcffdbddd074c247071caed0e162729.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe2⤵
- 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
__PSScriptPolicyTest_nikjsfco.upz.ps1
memory/340-134-0x0000000005C90000-0x0000000006234000-memory.dmp
memory/340-135-0x0000000005780000-0x0000000005812000-memory.dmp
memory/340-136-0x0000000005910000-0x0000000005920000-memory.dmp
memory/340-137-0x0000000007550000-0x0000000007572000-memory.dmp
memory/340-133-0x0000000000D50000-0x0000000000D5A000-memory.dmp
memory/340-157-0x0000000005910000-0x0000000005920000-memory.dmp
memory/1668-170-0x0000000005650000-0x000000000565A000-memory.dmp
memory/1668-168-0x0000000006210000-0x00000000063D2000-memory.dmp
memory/1668-167-0x0000000005000000-0x000000000509C000-memory.dmp
memory/1668-165-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1668-169-0x00000000052A0000-0x00000000052B0000-memory.dmp
memory/1668-171-0x00000000052A0000-0x00000000052B0000-memory.dmp
memory/4868-153-0x0000000005D40000-0x0000000005D5E000-memory.dmp
memory/4868-155-0x00000000073A0000-0x0000000007A1A000-memory.dmp
memory/4868-156-0x0000000006230000-0x000000000624A000-memory.dmp
memory/4868-154-0x0000000002800000-0x0000000002810000-memory.dmp
memory/4868-158-0x0000000002800000-0x0000000002810000-memory.dmp
memory/4868-159-0x0000000002800000-0x0000000002810000-memory.dmp
memory/4868-160-0x0000000002800000-0x0000000002810000-memory.dmp
memory/4868-143-0x0000000005700000-0x0000000005766000-memory.dmp
memory/4868-142-0x00000000055A0000-0x0000000005606000-memory.dmp
memory/4868-141-0x0000000002800000-0x0000000002810000-memory.dmp
memory/4868-140-0x0000000002800000-0x0000000002810000-memory.dmp
memory/4868-139-0x0000000004F00000-0x0000000005528000-memory.dmp
memory/4868-138-0x0000000002790000-0x00000000027C6000-memory.dmp