revengerat | dc8aa247849a45bb0c546a6a97be0bd41d6969c73d02393917b5e6eceec754c2

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 21:17

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General

Target

JaffaCakes118_684b2db00151f311f1f59e6198164bf0.exe
Size

598KB
MD5

684b2db00151f311f1f59e6198164bf0
SHA1

17c9bd965cfefa4f38ea69c3700f487349bca1d7
SHA256

dc8aa247849a45bb0c546a6a97be0bd41d6969c73d02393917b5e6eceec754c2
SHA512

2da178c06147896fedcf1822a6682dfa6898aa92d7fca60e50cb1d28cb699fbba39fda9bb415c40bd214700d9140cf485800eb44ad77fc1af4dabb4d160a2092
SSDEEP

6144:aKWlw1DxDgASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2Q:a7lw1Dxc5zfXeYU43fiysgfBnnl2Q

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/0x0006000000019220-10.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2624	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
1732	JaffaCakes118_684b2db00151f311f1f59e6198164bf0.exe
1732	JaffaCakes118_684b2db00151f311f1f59e6198164bf0.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_684b2db00151f311f1f59e6198164bf0.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1732	JaffaCakes118_684b2db00151f311f1f59e6198164bf0.exe
2624	ocs_v71a.exe
2624	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2624	1732	JaffaCakes118_684b2db00151f311f1f59e6198164bf0.exe	31
PID 1732 wrote to memory of 2624	1732	JaffaCakes118_684b2db00151f311f1f59e6198164bf0.exe	31
PID 1732 wrote to memory of 2624	1732	JaffaCakes118_684b2db00151f311f1f59e6198164bf0.exe	31
PID 1732 wrote to memory of 2624	1732	JaffaCakes118_684b2db00151f311f1f59e6198164bf0.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_684b2db00151f311f1f59e6198164bf0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_684b2db00151f311f1f59e6198164bf0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54408420 -chipde -98d26467f94242e5ba661a191cbb2095 - -BLUB1 -mkmycbgymvgekujw -655762
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2624

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\mkmycbgymvgekujw.dat

Filesize
83B

MD5
746dcd7b95b4b24c8c29f7502252ac1a

SHA1
e82566e79d5552a9c0e50df70f392b090d182b50

SHA256
324fd1daa4660fea53e9c2dbe8fae54831480d608cc5f0c55a4a7cb9704c1006

SHA512
7e157f36fe4c3bf72d237d89c98b75d18ad6c98cab622d9c201a16ca8ba17b7d884796954a3efc3dc8f31b1d2854c253c64c052661d3816d375de0cb67b83e89

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2624-17-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2624-13-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2624-15-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2624-16-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2624-12-0x000007FEF58EE000-0x000007FEF58EF000-memory.dmp

Filesize
4KB

Download
memory/2624-18-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2624-19-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2624-20-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2624-21-0x000007FEF58EE000-0x000007FEF58EF000-memory.dmp

Filesize
4KB

Download
memory/2624-22-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2624-23-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download
memory/2624-24-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

Filesize
9.6MB

Download