revengerat | 1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727ea

General

Target

1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe
Size

598KB
MD5

97cbb9b7f9fb92c2991753c2da9980f0
SHA1

7f452a61e0f4a8e912bea4ca9cd97ecec248e1a6
SHA256

1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727ea
SHA512

2042145cca939aa0c8ba141be3399d3fe2d2887536fac8c53f34ee6a65445fc38ade7d1a353f30ddeed4d8e61b7f101172db8131b3ddbfd40d1210f110a22978
SSDEEP

6144:mKWlw1DxDOASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2V:m7lw1Dx65zfXeYU43fiysgfBnnl2V

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/0x00060000000195b1-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2824	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2340	1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe
2340	1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.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	1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2340	1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe
2824	ocs_v71a.exe
2824	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2824	2340	1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe	29
PID 2340 wrote to memory of 2824	2340	1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe	29
PID 2340 wrote to memory of 2824	2340	1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe	29
PID 2340 wrote to memory of 2824	2340	1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe	29

C:\Users\Admin\AppData\Local\Temp\1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe
"C:\Users\Admin\AppData\Local\Temp\1b00a14b54a904a74afae5f95ff127c4805e1f56f667b3b53a3e2b0630a727eaN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -55203256 -chipde -c99f1e23a6ef4c39a96f01fbb868ada3 - -ChromeBundle -zsbrnvpplgxdpwkz -590222
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2824

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\zsbrnvpplgxdpwkz.dat

Filesize
83B

MD5
141e11fb0f94a5e52a40d7cc11ef44b2

SHA1
d9ffe575f9b949c235128ebf471e1818d55d7954

SHA256
1263f6e6ea3884c3acdbc7e106c9f5e3029a2a19a4ef022e96709864f67b5bc4

SHA512
d56dc38cbf28f1dc184587153f6f30003a695f10db0c835cbe3866a1dd53e3c2329a6e9ae58bc7013269f499e7a30bec43ac92d9329ee8a32a8a6aba790c7053

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2824-18-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-20-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-13-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-16-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-17-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-19-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-12-0x000007FEF630E000-0x000007FEF630F000-memory.dmp

Filesize
4KB

Download
memory/2824-14-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-21-0x000007FEF630E000-0x000007FEF630F000-memory.dmp

Filesize
4KB

Download
memory/2824-22-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-23-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-24-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-25-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-26-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2824-27-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download

Analysis

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