Analysis
- max time kernel
151s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
09/03/2022, 19:12
General
- Target adbb1af7661813a76c85b6ce8d5dc97b.exe
- Size 20KB
- Sample220309-xwhvwaecel
- SHA256 4e6dd147fe163628e5d79043ab25d1bdca930dfd5cbc5ca77bb345702590f199
Malware Config
Extracted
-
bitrat
-
1.38
-
toornavigator.sytes.net:47582
-
communication_password
6e59203d0ee84d016c46ee302bb910b5
-
tor_process
tor
Signatures
- BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
- suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
- 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 45 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\adbb1af7661813a76c85b6ce8d5dc97b.exe"C:\Users\Admin\AppData\Local\Temp\adbb1af7661813a76c85b6ce8d5dc97b.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c Copy "C:\Users\Admin\AppData\Local\Temp\adbb1af7661813a76c85b6ce8d5dc97b.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\adbb1af7661813a76c85b6ce8d5dc97b.exe"2⤵
- Drops startup file
-
-
C:\Users\Admin\AppData\Local\Temp\adbb1af7661813a76c85b6ce8d5dc97b.exe"C:\Users\Admin\AppData\Local\Temp\adbb1af7661813a76c85b6ce8d5dc97b.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/4216-136-0x00000000051D0000-0x00000000051EE000-memory.dmp
memory/4216-132-0x0000000004F90000-0x0000000005022000-memory.dmp
memory/4216-133-0x0000000074D40000-0x00000000754F0000-memory.dmp
memory/4216-134-0x0000000005050000-0x000000000505A000-memory.dmp
memory/4216-135-0x0000000005230000-0x00000000052A6000-memory.dmp
memory/4216-130-0x00000000005E0000-0x00000000005EC000-memory.dmp
memory/4216-137-0x0000000004E90000-0x0000000005434000-memory.dmp
memory/4216-138-0x00000000069C0000-0x0000000006A5C000-memory.dmp
memory/4216-139-0x0000000007F80000-0x0000000007FE6000-memory.dmp
memory/4216-131-0x0000000005440000-0x00000000059E4000-memory.dmp
memory/4540-141-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4540-142-0x0000000000400000-0x00000000007CE000-memory.dmp
memory/4540-143-0x0000000000400000-0x00000000007CE000-memory.dmp