revengerat | 20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3

General

Target

20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe
Size

598KB
MD5

3c0e1d7e1044c329d53a26d65b943900
SHA1

08b439c7f5bda0c908d4a9a21213b8d87827985a
SHA256

20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3
SHA512

3d64c303395d073d559ce128f95bac5c34aa139a1ebd23a157485e5f97986d1eed17cc4db6aa453ea46e50be047035f1abd52883287094b3d228cb4654106b4c
SSDEEP

6144:dKWlw1DxD9ASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2t:d7lw1DxB5zfXeYU43fiysgfBnnl2t

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/0x0008000000019326-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
3036	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
1656	20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe
1656	20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.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	20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1656	20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe
3036	ocs_v71a.exe
3036	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 3036	1656	20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe	29
PID 1656 wrote to memory of 3036	1656	20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe	29
PID 1656 wrote to memory of 3036	1656	20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe	29
PID 1656 wrote to memory of 3036	1656	20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe	29

C:\Users\Admin\AppData\Local\Temp\20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe
"C:\Users\Admin\AppData\Local\Temp\20958e57d760c05446242cc778bb82f5de63e108679306327fd71c9e888628b3N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54388902 -chipde -2f04892a6f6844bda1e56f8eebe964a0 - -ChromeBundle -ynpcejuwhyilbkce -459096
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3036

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\ynpcejuwhyilbkce.dat

Filesize
83B

MD5
264b25bf083c72c660b7643f053fbea6

SHA1
d57bb80ae0bdb7948f8f845d48d9d924db0f5f2e

SHA256
073fa742d1ec815c209a8e841187113f5ebb6f6278a93914eabfef5d6685857a

SHA512
66c7d41230eb5f3d7e1a2e9dfc725a907b0c94141352f23fa0e08de76ca984a193091d8b2c27f5f5c1ca7a5b04cc577d51411c2d101adcaf551728e755998f53

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/3036-19-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-20-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-13-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-16-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-17-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-18-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-12-0x000007FEF60EE000-0x000007FEF60EF000-memory.dmp

Filesize
4KB

Download
memory/3036-14-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-21-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-22-0x000007FEF60EE000-0x000007FEF60EF000-memory.dmp

Filesize
4KB

Download
memory/3036-23-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-24-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-25-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download
memory/3036-26-0x000007FEF5E30000-0x000007FEF67CD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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