revengerat | 21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277

Analysis

max time kernel
119s
max time network
25s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 13:36

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General

Target

21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe
Size

598KB
MD5

5e6763253deebb68f3691c1ff39e33e0
SHA1

a8547e33879e82a5f19bbf884c63b04b400f9cc5
SHA256

21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277
SHA512

576fefc011492340568bca6b8534ef8928cc3956ba8e7ff92d86dcbf93751ef92cc7d6ab8799c5d5195dc3c3dd51a0d22918ef30b6eeb2689863b9434cf33233
SSDEEP

6144:gKWlw1DxDeASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2m:g7lw1Dx65zfXeYU43fiysgfBnnl2m

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/0x0007000000014cde-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2896	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2240	21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe
2240	21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.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	21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2240	21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe
2896	ocs_v71a.exe
2896	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2896	2240	21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe	28
PID 2240 wrote to memory of 2896	2240	21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe	28
PID 2240 wrote to memory of 2896	2240	21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe	28
PID 2240 wrote to memory of 2896	2240	21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe	28

C:\Users\Admin\AppData\Local\Temp\21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe
"C:\Users\Admin\AppData\Local\Temp\21a9c768fd8eba7c5ca69141875c159151126c038820373cbbf56edb93744277N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54403718 -chipde -35aaa15535b94f13be2be5864d898b8e - -BLUB1 -yhsmuayvzfmgxwhp -393564
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2896

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\yhsmuayvzfmgxwhp.dat

Filesize
83B

MD5
e01e6fff599dadc234d41d1d3586cc23

SHA1
2e8d3b592c4bf66fedae697211afab6ba210d17c

SHA256
3d79ac23ab64bcdf061a16ed195a4998b6477f641e4a6eb06220163074f815ad

SHA512
dc95891fc61802f767ee848d28771862aa961c691fd5fa22fcc1c4082fd21ff6b4550f105cf023be028d3934a96e452de12be2b023ac806bc5b121ef992cb1c9

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2896-12-0x000007FEF5BAE000-0x000007FEF5BAF000-memory.dmp

Filesize
4KB

Download
memory/2896-13-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-15-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-16-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-17-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-18-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-19-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-20-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

Filesize
9.6MB

Download
memory/2896-21-0x000007FEF5BAE000-0x000007FEF5BAF000-memory.dmp

Filesize
4KB

Download
memory/2896-22-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

Filesize
9.6MB

Download