revengerat | 0b4ccd794d4c74c73f78eecf5bd9057fb7ab1d558aab5937b6cf7aa52d53373f

Analysis

max time kernel
141s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
06/05/2021, 15:21

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General

Target
C170CD907FB133C381E21175D2CCE6A6.exe
Size 91KB
Sample210506-mawkzz4jgj
SHA256 0b4ccd794d4c74c73f78eecf5bd9057fb7ab1d558aab5937b6cf7aa52d53373f
MD5 c170cd907fb133c381e21175d2cce6a6
SHA1 06b052a7698e1c544f7f6422608ea242a0466983
SHA512 b68c5c330570b7692ae6623ff7dd57b5af368157f1a236b1ded6ad2b8416abdb652a3ffba0dc355d1dee8665e5871117a608d228b83d18420b72fe0e6e76af26
MD5 SHA1 SHA512

Score

10^/10

revengerat persistence stealer trojan

Malware Config

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat

RevengeRat Executable 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/956-124-0x0000000000400000-0x0000000000416000-memory.dmp	revengerat
behavioral2/memory/956-125-0x000000000040F9CE-mapping.dmp	revengerat
behavioral2/memory/956-127-0x0000000000400000-0x0000000000416000-memory.dmp	revengerat
behavioral2/memory/956-133-0x0000000005180000-0x000000000567E000-memory.dmp	revengerat
behavioral2/memory/4076-143-0x0000000004F10000-0x000000000540E000-memory.dmp	revengerat
behavioral2/memory/2100-148-0x000000000040F9CE-mapping.dmp	revengerat
behavioral2/memory/2100-157-0x0000000005310000-0x000000000580E000-memory.dmp	revengerat

Executes dropped EXE 2 IoCs

pid	Process
4076	Windows Support.exe
2100	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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\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 660 set thread context of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 4076 set thread context of 2100	4076	Windows Support.exe	81

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

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	956	C170CD907FB133C381E21175D2CCE6A6.exe
Token: SeDebugPrivilege	2100	Windows Support.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 660 wrote to memory of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 660 wrote to memory of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 660 wrote to memory of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 660 wrote to memory of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 660 wrote to memory of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 660 wrote to memory of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 660 wrote to memory of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 660 wrote to memory of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 660 wrote to memory of 956	660	C170CD907FB133C381E21175D2CCE6A6.exe	78
PID 956 wrote to memory of 4076	956	C170CD907FB133C381E21175D2CCE6A6.exe	80
PID 956 wrote to memory of 4076	956	C170CD907FB133C381E21175D2CCE6A6.exe	80
PID 956 wrote to memory of 4076	956	C170CD907FB133C381E21175D2CCE6A6.exe	80
PID 4076 wrote to memory of 2100	4076	Windows Support.exe	81
PID 4076 wrote to memory of 2100	4076	Windows Support.exe	81
PID 4076 wrote to memory of 2100	4076	Windows Support.exe	81
PID 4076 wrote to memory of 2100	4076	Windows Support.exe	81
PID 4076 wrote to memory of 2100	4076	Windows Support.exe	81
PID 4076 wrote to memory of 2100	4076	Windows Support.exe	81
PID 4076 wrote to memory of 2100	4076	Windows Support.exe	81
PID 4076 wrote to memory of 2100	4076	Windows Support.exe	81
PID 4076 wrote to memory of 2100	4076	Windows Support.exe	81

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:660
- C:\Users\Admin\AppData\Local\Temp\C170CD907FB133C381E21175D2CCE6A6.exe
  "C:\Users\Admin\AppData\Local\Temp\C170CD907FB133C381E21175D2CCE6A6.exe"
  2⤵
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:956
- - 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:4076
  - - C:\Users\Admin\AppData\Roaming\Windows Support.exe
      "C:\Users\Admin\AppData\Roaming\Windows Support.exe"
      4⤵
      Executes dropped EXE
      Drops startup file
      Adds Run key to start application
      Checks processor information in registry
      Suspicious use of AdjustPrivilegeToken
      PID:2100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/660-121-0x0000000005680000-0x0000000005692000-memory.dmp

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memory/660-119-0x0000000005550000-0x0000000005551000-memory.dmp

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memory/660-122-0x00000000056A0000-0x00000000056B2000-memory.dmp

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memory/660-123-0x00000000056E0000-0x00000000056E1000-memory.dmp

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memory/660-116-0x0000000005950000-0x0000000005951000-memory.dmp

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memory/660-114-0x0000000000A50000-0x0000000000A51000-memory.dmp

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memory/660-120-0x00000000055E0000-0x00000000055E1000-memory.dmp

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memory/660-117-0x0000000005450000-0x0000000005451000-memory.dmp

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memory/660-118-0x0000000005450000-0x000000000594E000-memory.dmp

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memory/956-133-0x0000000005180000-0x000000000567E000-memory.dmp

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memory/956-132-0x0000000005180000-0x0000000005181000-memory.dmp

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memory/956-130-0x00000000050A0000-0x00000000050A1000-memory.dmp

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memory/956-127-0x0000000000400000-0x0000000000416000-memory.dmp

Download

memory/956-124-0x0000000000400000-0x0000000000416000-memory.dmp

Download

memory/2100-157-0x0000000005310000-0x000000000580E000-memory.dmp

Download

memory/4076-143-0x0000000004F10000-0x000000000540E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads