revengerat | f4e4448e88e791948084894aab980f8fdc3e6f7098f17fd5a57639810e519c1c

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 12:36

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General

Target

JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe
Size

598KB
MD5

6524c1540d8784bca428c3c69c2744a0
SHA1

23900d8b9ceb747d2e655a2e3d67730617d1e2c3
SHA256

f4e4448e88e791948084894aab980f8fdc3e6f7098f17fd5a57639810e519c1c
SHA512

11b4e8aeb76d735d16ac7f798c9af33ccf04abf94ede0a1d40c88ddfc66308cbe0352908643f8f8dbfd63512d6eeb3464807e1c63a003c47dd2240a64059d664
SSDEEP

6144:JKWlw1DxDvASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2S:J7lw1DxL5zfXeYU43fiysgfBnnl2S

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/0x0008000000015d81-6.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2588	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
1304	JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe
1304	JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.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	JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1304	JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe
2588	ocs_v71a.exe
2588	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 2588	1304	JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe	30
PID 1304 wrote to memory of 2588	1304	JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe	30
PID 1304 wrote to memory of 2588	1304	JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe	30
PID 1304 wrote to memory of 2588	1304	JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6524c1540d8784bca428c3c69c2744a0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54383364 -chipde -3366cc04ad0f4f848279e7e1d00e55b6 - -ChromeBundle -eusfozpqkchozyol -524704
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2588

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

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Downloads

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

Filesize
83B

MD5
a487a8218811f1e8d457c3c1c8e0271a

SHA1
4140f61780b830518046bccf40f0f761eb39b54e

SHA256
7c160e08014b2856933b592fe5cb6b94c86c8adcd63e7f61d51fe8d764d1b437

SHA512
cca762d4e5d57607848061384e8e80e68e23f89b807535e0645d37d64bc580af07af37adc9c32137abd3c4dd932f2f2b576672e14db73aa093aa965816a57d67

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2588-12-0x000007FEF6AFE000-0x000007FEF6AFF000-memory.dmp

Filesize
4KB

Download
memory/2588-13-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Filesize
9.6MB

Download
memory/2588-14-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Filesize
9.6MB

Download
memory/2588-16-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Filesize
9.6MB

Download
memory/2588-17-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Filesize
9.6MB

Download
memory/2588-20-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Filesize
9.6MB

Download
memory/2588-19-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Filesize
9.6MB

Download
memory/2588-18-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Filesize
9.6MB

Download
memory/2588-21-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Filesize
9.6MB

Download
memory/2588-22-0x000007FEF6840000-0x000007FEF71DD000-memory.dmp

Filesize
9.6MB

Download