revengerat | 823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4

Analysis

max time kernel
17s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 00:29

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General

Target

823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe
Size

598KB
MD5

c3a6a0c622ad037f359e2271da35a5fc
SHA1

ed8c295495b60c72f23df56be3590bde4e49fa47
SHA256

823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4
SHA512

f9d77a2c72d6865ab922592daad58363323a509a95d2b7459aa8a21c993ebdfa89b80dc46e3b277223aeb3173e94879bc0df753d0fbb001c7caf7ad2bd3d510e
SSDEEP

6144:PKWlw1DxDLASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2d:P7lw1DxP5zfXeYU43fiysgfBnnl2d

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/0x000800000001642d-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2096	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2536	823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe
2536	823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.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	823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2536	823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe
2096	ocs_v71a.exe
2096	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2096	2536	823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe	30
PID 2536 wrote to memory of 2096	2536	823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe	30
PID 2536 wrote to memory of 2096	2536	823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe	30
PID 2536 wrote to memory of 2096	2536	823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe	30

C:\Users\Admin\AppData\Local\Temp\823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe
"C:\Users\Admin\AppData\Local\Temp\823adfe21f4acfc96956b13a5436c5cdb5aaebd0e6bad7d47ef64980ba1937f4.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54375696 -chipde -261527da9ec743f4afe5eac19cd68b3c - -BLUB1 -ospkmujopqkazlhr -459160
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2096

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\ospkmujopqkazlhr.dat

Filesize
83B

MD5
9e21542386a3ba29c013862701cd422d

SHA1
a65fa4cf9b7f7c84075dd6155dc8c94df48cd92f

SHA256
f2a2c23a53a5842aa34575df8101f5dcdfe135d8716526513576f9453c3b1036

SHA512
285d3394bb89e0efbd9cbf7a1e7e24b966078c48e11791a64e93ed4b2913789d03ba893a3b58c474df8bce469236243e5848543fe347a7cc0e4e8a8c0cb88865

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2096-12-0x000007FEF52CE000-0x000007FEF52CF000-memory.dmp

Filesize
4KB

Download
memory/2096-13-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2096-14-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2096-16-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2096-17-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2096-19-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2096-18-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2096-20-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download
memory/2096-21-0x000007FEF5010000-0x000007FEF59AD000-memory.dmp

Filesize
9.6MB

Download