Analysis
- max time kernel
92s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
19/01/2022, 16:42
General
- Target d5a99e665acf04a8f9a6e322bebd9aa1.exe
- Size 409KB
- Sample220119-t7n99abegm
- SHA256 c9fa04893602e4c0d545f8e9ef0dc2ab5ff712e25328b249cb9cc4c32b297a8f
Malware Config
Signatures
- Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
- 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.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d5a99e665acf04a8f9a6e322bebd9aa1.exe"C:\Users\Admin\AppData\Local\Temp\d5a99e665acf04a8f9a6e322bebd9aa1.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 11282⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2232 -ip 22321⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2232-133-0x0000000000570000-0x000000000059B000-memory.dmp
memory/2232-134-0x0000000000A90000-0x0000000000AC9000-memory.dmp
memory/2232-135-0x0000000000400000-0x000000000046D000-memory.dmp
memory/2232-137-0x0000000002712000-0x0000000002713000-memory.dmp
memory/2232-136-0x0000000002710000-0x0000000002711000-memory.dmp
memory/2232-138-0x0000000002713000-0x0000000002714000-memory.dmp
memory/2232-139-0x0000000004D00000-0x00000000052A4000-memory.dmp
memory/2232-140-0x00000000052B0000-0x00000000058C8000-memory.dmp
memory/2232-141-0x00000000026F0000-0x0000000002702000-memory.dmp
memory/2232-142-0x00000000058D0000-0x00000000059DA000-memory.dmp
memory/2232-143-0x0000000002650000-0x0000000002716000-memory.dmp
memory/2232-144-0x0000000002850000-0x000000000288C000-memory.dmp
memory/2232-145-0x0000000005CA0000-0x0000000005D16000-memory.dmp
memory/2232-146-0x0000000005D90000-0x0000000005E22000-memory.dmp
memory/2232-147-0x0000000005F30000-0x0000000005F4E000-memory.dmp
memory/2232-148-0x0000000005FC0000-0x0000000006026000-memory.dmp
memory/2232-149-0x0000000006830000-0x00000000069F2000-memory.dmp
memory/2232-150-0x0000000006A00000-0x0000000006F2C000-memory.dmp