Analysis
- max time kernel
149s - max time network
150s - platform
windows7_x64 - resource
win7v20210408 - submitted
06/05/2021, 15:21
Static task
static1
Behavioral task
behavioral1
Sample
C170CD907FB133C381E21175D2CCE6A6.exe
Resource
win7v20210408
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
C170CD907FB133C381E21175D2CCE6A6.exe
Resource
win10v20210408
0 signatures
0 seconds
General
- Target C170CD907FB133C381E21175D2CCE6A6.exe
- Size 91KB
- Sample210506-mawkzz4jgj
- SHA256 0b4ccd794d4c74c73f78eecf5bd9057fb7ab1d558aab5937b6cf7aa52d53373f
- MD5 c170cd907fb133c381e21175d2cce6a6
- SHA1 06b052a7698e1c544f7f6422608ea242a0466983
- SHA512 b68c5c330570b7692ae6623ff7dd57b5af368157f1a236b1ded6ad2b8416abdb652a3ffba0dc355d1dee8665e5871117a608d228b83d18420b72fe0e6e76af26
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- RevengeRAT
Remote-access trojan with a wide range of capabilities.
- RevengeRat Executable 4 IoCs
resource yara_rule behavioral1/memory/848-65-0x0000000000400000-0x0000000000416000-memory.dmp revengerat behavioral1/memory/848-66-0x000000000040F9CE-mapping.dmp revengerat behavioral1/memory/848-67-0x0000000000400000-0x0000000000416000-memory.dmp revengerat behavioral1/memory/1144-81-0x000000000040F9CE-mapping.dmp revengerat - Executes dropped EXE 2 IoCs
pid Process 112 Windows Support.exe 1144 Windows Support.exe - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Smart Screen.lnk Windows Support.exe - Loads dropped DLL 2 IoCs
pid Process 848 C170CD907FB133C381E21175D2CCE6A6.exe 1144 Windows Support.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDMS = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Support.exe" Windows Support.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1996 set thread context of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 112 set thread context of 1144 112 Windows Support.exe 32 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C170CD907FB133C381E21175D2CCE6A6.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C170CD907FB133C381E21175D2CCE6A6.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 Windows Support.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Windows Support.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 848 C170CD907FB133C381E21175D2CCE6A6.exe Token: SeDebugPrivilege 1144 Windows Support.exe - Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 1996 wrote to memory of 848 1996 C170CD907FB133C381E21175D2CCE6A6.exe 29 PID 848 wrote to memory of 112 848 C170CD907FB133C381E21175D2CCE6A6.exe 31 PID 848 wrote to memory of 112 848 C170CD907FB133C381E21175D2CCE6A6.exe 31 PID 848 wrote to memory of 112 848 C170CD907FB133C381E21175D2CCE6A6.exe 31 PID 848 wrote to memory of 112 848 C170CD907FB133C381E21175D2CCE6A6.exe 31 PID 112 wrote to memory of 1144 112 Windows Support.exe 32 PID 112 wrote to memory of 1144 112 Windows Support.exe 32 PID 112 wrote to memory of 1144 112 Windows Support.exe 32 PID 112 wrote to memory of 1144 112 Windows Support.exe 32 PID 112 wrote to memory of 1144 112 Windows Support.exe 32 PID 112 wrote to memory of 1144 112 Windows Support.exe 32 PID 112 wrote to memory of 1144 112 Windows Support.exe 32 PID 112 wrote to memory of 1144 112 Windows Support.exe 32 PID 112 wrote to memory of 1144 112 Windows Support.exe 32 PID 112 wrote to memory of 1144 112 Windows Support.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\C170CD907FB133C381E21175D2CCE6A6.exe"C:\Users\Admin\AppData\Local\Temp\C170CD907FB133C381E21175D2CCE6A6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Users\Admin\AppData\Local\Temp\C170CD907FB133C381E21175D2CCE6A6.exe"C:\Users\Admin\AppData\Local\Temp\C170CD907FB133C381E21175D2CCE6A6.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Users\Admin\AppData\Roaming\Windows Support.exe"C:\Users\Admin\AppData\Roaming\Windows Support.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Users\Admin\AppData\Roaming\Windows Support.exe"C:\Users\Admin\AppData\Roaming\Windows Support.exe"4⤵
- Executes dropped EXE
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1144
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