Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
30/12/2023, 04:35
General
- Target 0eab3ccc18c952cc89f73ba1a480070f.exe
- Size 1.3MB
- Sample231230-e75jxagfd2
- SHA256 c254079e9a75cb708e28deb9c72c77689c53425f8256338343c06285bed8ebbe
Malware Config
Extracted
-
oski
-
vtgtradings.com
Signatures
- Oski
Oski is an infostealer targeting browser data, crypto wallets.
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0eab3ccc18c952cc89f73ba1a480070f.exe"C:\Users\Admin\AppData\Local\Temp\0eab3ccc18c952cc89f73ba1a480070f.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OhlPJGhIQFna" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF06B.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\0eab3ccc18c952cc89f73ba1a480070f.exe"C:\Users\Admin\AppData\Local\Temp\0eab3ccc18c952cc89f73ba1a480070f.exe"2⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 12963⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2384 -ip 23841⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tmpF06B.tmp
memory/2384-26-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2384-18-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2384-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2384-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2384-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4920-5-0x00000000057C0000-0x00000000057D0000-memory.dmp
memory/4920-7-0x0000000005B30000-0x0000000005B86000-memory.dmp
memory/4920-8-0x0000000005DE0000-0x0000000005DF8000-memory.dmp
memory/4920-9-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4920-10-0x00000000057C0000-0x00000000057D0000-memory.dmp
memory/4920-11-0x0000000008760000-0x0000000008800000-memory.dmp
memory/4920-12-0x000000000AEC0000-0x000000000AEF8000-memory.dmp
memory/4920-6-0x00000000058C0000-0x00000000058CA000-memory.dmp
memory/4920-23-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4920-1-0x0000000074B50000-0x0000000075300000-memory.dmp
memory/4920-4-0x0000000005940000-0x00000000059D2000-memory.dmp
memory/4920-3-0x0000000005EF0000-0x0000000006494000-memory.dmp
memory/4920-2-0x00000000057F0000-0x000000000588C000-memory.dmp
memory/4920-0-0x0000000000E10000-0x0000000000F64000-memory.dmp