revengerat | 21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/01/2025, 15:18

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General

Target

21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe
Size

598KB
MD5

97efd8df6c2a8de9bb213cf9e9da4770
SHA1

42769f9797a333f869e64f43020116536a472a68
SHA256

21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77
SHA512

67da72c2d11e4b9a087c4836934f2f3381bb4381ed4d0ec971344ac58a298a39e2dc491409f77f7e8800b26062244d25dae0352c2d31d82b9cc3f1bf890e8ad8
SSDEEP

6144:+KWlw1DxDQASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX22:+7lw1Dxc5zfXeYU43fiysgfBnnl22

Score

10^/10

revengerat discovery stealer trojan

Malware Config

Signatures

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

RevengeRat Executable 1 IoCs

stealer

resource	yara_rule
behavioral1/files/0x00070000000174cc-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2324	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2596	21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe
2596	21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2596	21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe
2324	ocs_v71a.exe
2324	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2324	2596	21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe	30
PID 2596 wrote to memory of 2324	2596	21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe	30
PID 2596 wrote to memory of 2324	2596	21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe	30
PID 2596 wrote to memory of 2324	2596	21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe	30

C:\Users\Admin\AppData\Local\Temp\21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe
"C:\Users\Admin\AppData\Local\Temp\21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54383721 -chipde -1037d12bdc064aa29d55ea171cf71d41 - -BLUB1 -etghbbmkqtebuoid -393560
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\OCS\etghbbmkqtebuoid.dat

Filesize
83B

MD5
78ccd4794c423281b76e4c48666e6d46

SHA1
4fdc19a57ec67a271f756085506cad5db8a1d46a

SHA256
7db6b4dcf3cbc1b76d08b059cda0233d7e79bb7a02e0d5b8fb894694e7b03ca1

SHA512
19d6cd4de200e7dcbb0f2d3cdc1fbd7809b2fc4df8aafeeb8fd6c854cc0b49fe7cab08ebff61c0c6f113a3cccb8be740756a4d6ac898cb779f9f191267c557a4

Download Submit
\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2324-12-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

Filesize
4KB

Download
memory/2324-14-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2324-15-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2324-16-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2324-17-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2324-18-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2324-19-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2324-20-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2324-21-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2324-22-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download