revengerat | f91cadded4f5a52828083de1c0584aaff493c32dbe0b8699a507fa77f227aa12

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 11:56

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General

Target

JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.exe
Size

598KB
MD5

798ebb99f4fe7a8c97f31203b7988b10
SHA1

69b95f63e9ff230860dd5f5109151d56eebbee74
SHA256

f91cadded4f5a52828083de1c0584aaff493c32dbe0b8699a507fa77f227aa12
SHA512

f6408482bc34212143c67071e5621e0ac1306d7ca3ff2c4762946541b7be2d60e1ae8f99591a175b95f3b20f9b11f4faf5afdbfd37b48d3d543b25159aa4ec90
SSDEEP

6144:BKWlw1DxDiASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2F:B7lw1DxG5zfXeYU43fiysgfBnnl2F

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/0x0007000000018710-6.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
1216	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
1688	JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.exe
1688	JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.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_798ebb99f4fe7a8c97f31203b7988b10.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1688	JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.exe
1216	ocs_v71a.exe
1216	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1216	1688	JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.exe	29
PID 1688 wrote to memory of 1216	1688	JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.exe	29
PID 1688 wrote to memory of 1216	1688	JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.exe	29
PID 1688 wrote to memory of 1216	1688	JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.exe	29

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_798ebb99f4fe7a8c97f31203b7988b10.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54417261 -chipde -d8bf290ea36a468f92fa71bb25c7b74c - -ChromeBundle -dawhqvtqtftrycwd -459152
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1216

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\dawhqvtqtftrycwd.dat

Filesize
83B

MD5
a249082fed4a9de72bb52195edae91bc

SHA1
08fe1882efd09aed1924041ebc7bb223da5a892b

SHA256
dca925aaa6cf2b55f1497ed9b0a906d54b805cc5667c15a23e0544d8bb9f10a3

SHA512
8e43696c5bf646c4baa35317cf98d6ab3289264e9ece60375df98ada854384eff90e7fa25818c52c71a0be66ac7a760c4671b8625e9e1b148ffc886015bdfb89

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/1216-12-0x000007FEF662E000-0x000007FEF662F000-memory.dmp

Filesize
4KB

Download
memory/1216-14-0x000007FEF6370000-0x000007FEF6D0D000-memory.dmp

Filesize
9.6MB

Download
memory/1216-15-0x000007FEF6370000-0x000007FEF6D0D000-memory.dmp

Filesize
9.6MB

Download
memory/1216-16-0x000007FEF6370000-0x000007FEF6D0D000-memory.dmp

Filesize
9.6MB

Download
memory/1216-17-0x000007FEF6370000-0x000007FEF6D0D000-memory.dmp

Filesize
9.6MB

Download
memory/1216-20-0x000007FEF6370000-0x000007FEF6D0D000-memory.dmp

Filesize
9.6MB

Download
memory/1216-19-0x000007FEF6370000-0x000007FEF6D0D000-memory.dmp

Filesize
9.6MB

Download
memory/1216-18-0x000007FEF6370000-0x000007FEF6D0D000-memory.dmp

Filesize
9.6MB

Download
memory/1216-21-0x000007FEF6370000-0x000007FEF6D0D000-memory.dmp

Filesize
9.6MB

Download
memory/1216-22-0x000007FEF6370000-0x000007FEF6D0D000-memory.dmp

Filesize
9.6MB

Download