Analysis
- max time kernel
125s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
28/12/2022, 22:31
General
- Target file.exe
- Size 375KB
- Sample221228-2fc2xabg85
- SHA256 aecbffff87dde6250bbe37040f5aba94d7df62f94ef10f940ab022cf5dae38f4
Malware Config
Signatures
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- 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 1152 -s 17322⤵
- 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 444 -p 1152 -ip 11521⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1152-132-0x0000000000769000-0x00000000007A0000-memory.dmp
memory/1152-133-0x00000000021F0000-0x0000000002249000-memory.dmp
memory/1152-134-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1152-135-0x0000000004D50000-0x00000000052F4000-memory.dmp
memory/1152-136-0x0000000005300000-0x0000000005918000-memory.dmp
memory/1152-137-0x0000000004C90000-0x0000000004CA2000-memory.dmp
memory/1152-138-0x0000000005920000-0x0000000005A2A000-memory.dmp
memory/1152-139-0x0000000004CB0000-0x0000000004CEC000-memory.dmp
memory/1152-140-0x0000000005CB0000-0x0000000005D42000-memory.dmp
memory/1152-141-0x0000000005D50000-0x0000000005DB6000-memory.dmp
memory/1152-142-0x0000000006430000-0x00000000064A6000-memory.dmp
memory/1152-143-0x00000000064F0000-0x000000000650E000-memory.dmp
memory/1152-145-0x00000000021F0000-0x0000000002249000-memory.dmp
memory/1152-144-0x0000000000769000-0x00000000007A0000-memory.dmp
memory/1152-146-0x00000000065B0000-0x0000000006772000-memory.dmp
memory/1152-147-0x0000000006790000-0x0000000006CBC000-memory.dmp
memory/1152-148-0x0000000000400000-0x0000000000481000-memory.dmp