revengerat | 28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 08:37

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General

Target

28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe
Size

598KB
MD5

c9860f44f824cdb44a3025fa4d1fa4b5
SHA1

3f1465fbb5959e544dbabb6eae7d7f3ab7dc4583
SHA256

28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3
SHA512

7b1cf35485b9b1a4663ef678921432ff23ff37b12e03f5edf4611427db26311598445c536815c2d3660e6baf914c01165d6639090001862d92f4b6229263bbd0
SSDEEP

6144:yKWlw1DxDsASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2YA:y7lw1DxA5zfXeYU43fiysgfBnnl2YA

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/0x0007000000016d63-6.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2476	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
1904	28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe
1904	28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.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	28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1904	28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe
2476	ocs_v71a.exe
2476	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2476	1904	28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe	30
PID 1904 wrote to memory of 2476	1904	28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe	30
PID 1904 wrote to memory of 2476	1904	28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe	30
PID 1904 wrote to memory of 2476	1904	28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe	30

C:\Users\Admin\AppData\Local\Temp\28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe
"C:\Users\Admin\AppData\Local\Temp\28d73c805bdc4eb8ccfd0fcb8caa6d6e825c8ea9f0b79c2f4f6c169c30b54aa3.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54415075 -chipde -e33652a8fabc46ce8a92e38e4f18054b - -BLUB1 -pnnpuzjwyygalsop -524634
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2476

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\OCS\pnnpuzjwyygalsop.dat

Filesize
81B

MD5
155d9825080bd9262b151466a30cadc2

SHA1
fe79ed0c9b86fd239b20c6fdf7e1c8685a146f5b

SHA256
f6e7b0231a4ca12894bc7ac5dd60741df89b50cde8ee0da83493a23a19c9b9e2

SHA512
c1b0ba62ae9668f8603ceb682368d55780b8597784ab32be11552bf80720ff8e88e2bce69a5a35e50a302147410f76d60196448b6740848cfa384ca1c3cf126b

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2476-17-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2476-13-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2476-15-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2476-16-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2476-12-0x000007FEF5C9E000-0x000007FEF5C9F000-memory.dmp

Filesize
4KB

Download
memory/2476-18-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2476-19-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2476-20-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2476-21-0x000007FEF5C9E000-0x000007FEF5C9F000-memory.dmp

Filesize
4KB

Download
memory/2476-22-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2476-23-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2476-24-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download