revengerat | 1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116ed

General

Target

1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe
Size

598KB
MD5

0df1b356926f56d17d9ee85ed866a770
SHA1

c22b2d97efcd644f57d3bfd16ac4eb7e7a2c20c6
SHA256

1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116ed
SHA512

764c16f45e5c7aca2dcfd949368c31380272a26d8b1a940a2ba570e691199811de50399e07840fe10f4f31f64af0e2b8e658188995f8683476f1703878f2f52b
SSDEEP

6144:LKWlw1DxDuASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2m:L7lw1DxK5zfXeYU43fiysgfBnnl2m

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/0x00070000000193b8-10.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2192	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2004	1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe
2004	1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.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	1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2004	1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe
2192	ocs_v71a.exe
2192	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2192	2004	1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe	30
PID 2004 wrote to memory of 2192	2004	1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe	30
PID 2004 wrote to memory of 2192	2004	1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe	30
PID 2004 wrote to memory of 2192	2004	1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe	30

C:\Users\Admin\AppData\Local\Temp\1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe
"C:\Users\Admin\AppData\Local\Temp\1a90e7ccc6df6b4cd1168246f5594ecfe118854c8eda4b70eb49fbd1f7a116edN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54481674 -chipde -d6c50637574841379e44252be568fe8c - -BLUB1 -wqqfigxdmgrpekxm -655700
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
C:\Users\Admin\AppData\Local\Temp\OCS\wqqfigxdmgrpekxm.dat

Filesize
83B

MD5
e6e2fad70885008965dd6c306181dee0

SHA1
1eba5ec81dd169fc60041160cf767f30b2e136ce

SHA256
9e7c25508a2c8bc660adac7a19cb2826cf50ee8b650e04fee4746e40d285de1f

SHA512
14857475d96dcdd9b6405b260708df1e8794590b79b0f56c1ba7ca214c3a574207dd3f72b4132c84db0a0e0d60a95fdebda30d36410bccc51ddaf00af39acf68

Download Submit
memory/2192-19-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-20-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-13-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-16-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-17-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-18-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-12-0x000007FEF670E000-0x000007FEF670F000-memory.dmp

Filesize
4KB

Download
memory/2192-14-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-21-0x000007FEF670E000-0x000007FEF670F000-memory.dmp

Filesize
4KB

Download
memory/2192-22-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-23-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-24-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-25-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-26-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-27-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download
memory/2192-28-0x000007FEF6450000-0x000007FEF6DED000-memory.dmp

Filesize
9.6MB

Download

Analysis

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