Analysis
- max time kernel
56s - max time network
153s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
30/01/2023, 10:34
General
- Target STOWAGE PLAN.exe
- Size 6KB
- Sample230130-ml8nfaaa83
- SHA256 2f7bd380536e16506e680cc1ad9dfd613a4bd05d365f542ecbdb1bd16562f11d
Malware Config
Extracted
-
purecrypter
-
http://185.225.74.107/Otetnraanrc.dll
Extracted
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snakekeylogger
-
https://api.telegram.org/bot1897716112:AAEAtOCkOV8umHBB93Og24bkiIdUKReGK44/sendMessage?chat_id=1745211648
Signatures
- Detect PureCrypter injector 1 IoCs
- 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 6 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
- Adds Run key to start application 2 TTPs 1 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 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\STOWAGE PLAN.exe"C:\Users\Admin\AppData\Local\Temp\STOWAGE PLAN.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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
-
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C:\Users\Admin\AppData\Local\Temp\STOWAGE PLAN.exe"C:\Users\Admin\AppData\Local\Temp\STOWAGE PLAN.exe"2⤵
- 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
memory/1444-59-0x000000006EDE0000-0x000000006F38B000-memory.dmp
memory/1444-60-0x000000006EDE0000-0x000000006F38B000-memory.dmp
memory/1444-61-0x000000006EDE0000-0x000000006F38B000-memory.dmp
memory/1652-54-0x00000000013A0000-0x00000000013A8000-memory.dmp
memory/1652-55-0x0000000075FC1000-0x0000000075FC3000-memory.dmp
memory/1652-56-0x0000000005F30000-0x0000000006198000-memory.dmp
memory/1652-62-0x0000000004C70000-0x0000000004CBA000-memory.dmp
memory/1964-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-72-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1964-74-0x0000000000400000-0x0000000000426000-memory.dmp