Analysis
- max time kernel
138s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
11/02/2023, 01:33
General
- Target file.exe
- Size 482KB
- Sample230211-byjdjaac4x
- SHA256 870a52a7666d24cb1a62f96eb01097d6d30bbf363c0e0ddd23bd8d2b7b1c4ef0
Malware Config
Signatures
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in System32 directory 2 IoCs
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 12282⤵
- Program crash
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1544 -ip 15441⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1544-132-0x000000000075D000-0x000000000078B000-memory.dmp
memory/1544-133-0x0000000000670000-0x00000000006D2000-memory.dmp
memory/1544-134-0x0000000000400000-0x00000000004DF000-memory.dmp
memory/1544-135-0x0000000004E60000-0x0000000005404000-memory.dmp
memory/1544-136-0x0000000005410000-0x0000000005A28000-memory.dmp
memory/1544-137-0x00000000027B0000-0x00000000027C2000-memory.dmp
memory/1544-138-0x0000000005A30000-0x0000000005B3A000-memory.dmp
memory/1544-139-0x00000000027D0000-0x000000000280C000-memory.dmp
memory/1544-140-0x000000000075D000-0x000000000078B000-memory.dmp
memory/1544-141-0x0000000005D30000-0x0000000005D96000-memory.dmp
memory/1544-142-0x0000000006400000-0x0000000006492000-memory.dmp
memory/1544-143-0x00000000064D0000-0x0000000006546000-memory.dmp
memory/1544-144-0x0000000006590000-0x0000000006752000-memory.dmp
memory/1544-145-0x0000000006770000-0x0000000006C9C000-memory.dmp
memory/1544-146-0x0000000006DC0000-0x0000000006DDE000-memory.dmp
memory/1544-147-0x000000000075D000-0x000000000078B000-memory.dmp
memory/1544-148-0x0000000000400000-0x00000000004DF000-memory.dmp