revengerat | d650607092d56dd7df0b19c17e0ee5fb331af3aa03cd961e70e0a34310504a62

Analysis

max time kernel
928s
max time network
844s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 19:24

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General

Target

cool.exe
Size

23KB
MD5

4b61aedaee4e3be743dbebea96f91441
SHA1

448faae75b84b7dd9d66f1386f178935523a429c
SHA256

d650607092d56dd7df0b19c17e0ee5fb331af3aa03cd961e70e0a34310504a62
SHA512

1015e7d9476a8089d4ac5dcc0f2dc97154cbe7f05ae8990548fb23b4577cf863e11a6545df04dcca4995c7e74a6f916d55e442c8678885c1c742686688b65deb
SSDEEP

384:mb+cnNzGglTgMnmrBcNFEhmisbYpGy4AVFCzYcHe+Z:mbtucjs+AV8zYcHe+Z

Score

10^/10

revengerat guest discovery persistence stealer trojan

Malware Config

Extracted

Family

revengerat

Botnet

Guest

127.0.0.1:1604

Mutex

RV_MUTEX

Signatures

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

RevengeRat Executable 1 IoCs

stealer

resource	yara_rule
behavioral1/files/0x0004000000004ed7-37.dat	revengerat

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.exe	aspnet_compiler.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.exe	aspnet_compiler.exe

Executes dropped EXE 1 IoCs

pid	Process
2880	Update.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	aspnet_compiler.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client = "C:\\Users\\Admin\\AppData\\Roaming\\Update.exe"	aspnet_compiler.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1892 set thread context of 2644	1892	cool.exe	30
PID 2644 set thread context of 2788	2644	aspnet_compiler.exe	31
PID 2880 set thread context of 1180	2880	Update.exe	35
PID 1180 set thread context of 2740	1180	aspnet_compiler.exe	36

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	cool.exe
Token: SeDebugPrivilege	2644	aspnet_compiler.exe
Token: SeDebugPrivilege	2880	Update.exe
Token: SeDebugPrivilege	1180	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2644	1892	cool.exe	30
PID 1892 wrote to memory of 2644	1892	cool.exe	30
PID 1892 wrote to memory of 2644	1892	cool.exe	30
PID 1892 wrote to memory of 2644	1892	cool.exe	30
PID 1892 wrote to memory of 2644	1892	cool.exe	30
PID 1892 wrote to memory of 2644	1892	cool.exe	30
PID 1892 wrote to memory of 2644	1892	cool.exe	30
PID 1892 wrote to memory of 2644	1892	cool.exe	30
PID 1892 wrote to memory of 2644	1892	cool.exe	30
PID 2644 wrote to memory of 2788	2644	aspnet_compiler.exe	31
PID 2644 wrote to memory of 2788	2644	aspnet_compiler.exe	31
PID 2644 wrote to memory of 2788	2644	aspnet_compiler.exe	31
PID 2644 wrote to memory of 2788	2644	aspnet_compiler.exe	31
PID 2644 wrote to memory of 2788	2644	aspnet_compiler.exe	31
PID 2644 wrote to memory of 2788	2644	aspnet_compiler.exe	31
PID 2644 wrote to memory of 2788	2644	aspnet_compiler.exe	31
PID 2644 wrote to memory of 2788	2644	aspnet_compiler.exe	31
PID 2644 wrote to memory of 2788	2644	aspnet_compiler.exe	31
PID 2644 wrote to memory of 2880	2644	aspnet_compiler.exe	34
PID 2644 wrote to memory of 2880	2644	aspnet_compiler.exe	34
PID 2644 wrote to memory of 2880	2644	aspnet_compiler.exe	34
PID 2644 wrote to memory of 2880	2644	aspnet_compiler.exe	34
PID 2880 wrote to memory of 1180	2880	Update.exe	35
PID 2880 wrote to memory of 1180	2880	Update.exe	35
PID 2880 wrote to memory of 1180	2880	Update.exe	35
PID 2880 wrote to memory of 1180	2880	Update.exe	35
PID 2880 wrote to memory of 1180	2880	Update.exe	35
PID 2880 wrote to memory of 1180	2880	Update.exe	35
PID 2880 wrote to memory of 1180	2880	Update.exe	35
PID 2880 wrote to memory of 1180	2880	Update.exe	35
PID 2880 wrote to memory of 1180	2880	Update.exe	35
PID 1180 wrote to memory of 2740	1180	aspnet_compiler.exe	36
PID 1180 wrote to memory of 2740	1180	aspnet_compiler.exe	36
PID 1180 wrote to memory of 2740	1180	aspnet_compiler.exe	36
PID 1180 wrote to memory of 2740	1180	aspnet_compiler.exe	36
PID 1180 wrote to memory of 2740	1180	aspnet_compiler.exe	36
PID 1180 wrote to memory of 2740	1180	aspnet_compiler.exe	36
PID 1180 wrote to memory of 2740	1180	aspnet_compiler.exe	36
PID 1180 wrote to memory of 2740	1180	aspnet_compiler.exe	36
PID 1180 wrote to memory of 2740	1180	aspnet_compiler.exe	36

C:\Users\Admin\AppData\Local\Temp\cool.exe
"C:\Users\Admin\AppData\Local\Temp\cool.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2788
- - C:\Users\Admin\AppData\Roaming\Update.exe
    "C:\Users\Admin\AppData\Roaming\Update.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2880
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      4⤵
      Drops startup file
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1180
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DfhaRCl.txt

Filesize
42B

MD5
d582743cdd9f41b37737d661571fa94d

SHA1
d3300c99d17618ad074c157f1383f0a30c007378

SHA256
b12686d3a6a8a51c526b9e9435c584b4401e3fd4d1c226c7e75ddc1fe351b544

SHA512
45b0c9730b5d6281fcce390e1b5ac2b09633d7ce5f92694748b4997c3677ae043656bfd156ea655226b307cc1b705eee1305b88211e02e9f3ba0421647c2821e

Download Submit
C:\Users\Admin\AppData\Local\Temp\DfhaRCl.txt

Filesize
41B

MD5
e3adf446ad63a7d4ed753c2739fecc96

SHA1
51a06b8f4abf0873a09795e0cdd0c2f92b1dcdbb

SHA256
83c8b685fbe9df71cbbb6926b52cdf89789736d7862980ee02f0780c7b983dfa

SHA512
3aa4d173526546c6a73d1b7d71230fa4853612b31003c660871f126c6db232912099592f0287aa661ae66a3da75fe9675df6ade1388ad423aef6832759549a68

Download Submit
\Users\Admin\AppData\Roaming\Update.exe

Filesize
23KB

MD5
4b61aedaee4e3be743dbebea96f91441

SHA1
448faae75b84b7dd9d66f1386f178935523a429c

SHA256
d650607092d56dd7df0b19c17e0ee5fb331af3aa03cd961e70e0a34310504a62

SHA512
1015e7d9476a8089d4ac5dcc0f2dc97154cbe7f05ae8990548fb23b4577cf863e11a6545df04dcca4995c7e74a6f916d55e442c8678885c1c742686688b65deb

Download Submit
memory/1892-16-0x000007FEF50C0000-0x000007FEF5A5D000-memory.dmp

Filesize
9.6MB

Download
memory/1892-0-0x000007FEF537E000-0x000007FEF537F000-memory.dmp

Filesize
4KB

Download
memory/2644-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2644-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2644-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2644-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2644-17-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/2644-32-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-15-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2644-54-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2644-34-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2644-33-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/2788-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2788-29-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2788-31-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2788-26-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2788-22-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2788-23-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2788-18-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads