revengerat | 21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/01/2025, 14:31

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General

Target

21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe
Size

598KB
MD5

fdd599b5e55ad17282a7f8dcf8e93db0
SHA1

93ca4480b875153c0f7e30fe2f1b3110ab166add
SHA256

21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827b
SHA512

da08642f6061ea14cb413c6a8b04174e2ff71d060c33a11b4fc690630b8b484441f0a05d04dd029a64574c0bccbf4b06c6750389c87eff65a42d9dc5fbc5ea35
SSDEEP

6144:IKWlw1DxDxASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2e:I7lw1Dx95zfXeYU43fiysgfBnnl2e

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/0x000700000001925d-6.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2276	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
1572	21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe
1572	21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.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	21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1572	21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe
2276	ocs_v71a.exe
2276	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 2276	1572	21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe	28
PID 1572 wrote to memory of 2276	1572	21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe	28
PID 1572 wrote to memory of 2276	1572	21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe	28
PID 1572 wrote to memory of 2276	1572	21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe	28

C:\Users\Admin\AppData\Local\Temp\21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe
"C:\Users\Admin\AppData\Local\Temp\21870eeff61f8c134c58b08307a1f1554020232e4ba7f8565290a1db26ee827bN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -58118521 -chipde -039fcf1579cf4f3d981038ed2b6f33ff - -BLUB1 -kseambvkvymptyom -393562
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2276

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\kseambvkvymptyom.dat

Filesize
83B

MD5
c72de9836a74f9a7dae7450b7b033d53

SHA1
4e0ba52b67cbf78dba7ecaf2134f5afdc7d18ad2

SHA256
7bdbd9cd633afc28c28a10dd7c28fd6538526fd33866267009841540c75021c7

SHA512
a288d9cfe79f8bec20ca51c67a8824dc8f28ec70b7e03666f475b748d0609ff06f1647f7dbbec7ae5705f06047f7c01f82b53897f80e6e64ca7728ce452ad465

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2276-19-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2276-14-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2276-15-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2276-16-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2276-12-0x000007FEF628E000-0x000007FEF628F000-memory.dmp

Filesize
4KB

Download
memory/2276-20-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2276-18-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2276-17-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2276-21-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2276-22-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2276-23-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download