revengerat | a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be

Analysis

max time kernel
78s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 18:03

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General

Target

a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe
Size

598KB
MD5

247a3c6340416ab39f7bf7b4a5320058
SHA1

37e4f62b2679791ce0891aa2c7b920b5670433c9
SHA256

a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be
SHA512

fbf0d0fb4660cd7c8cfe5f77dee0fc599f7c036786d9896f1b0d602fb87549351ed0210c31162c5e2eb12a2ab278b3d90a1cb6f0a8046c3b30a69995275c7a42
SSDEEP

6144:qKWlw1DxDUASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2r:q7lw1Dx45zfXeYU43fiysgfBnnl2r

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/0x0007000000016fe5-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2740	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2848	a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe
2848	a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.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	a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2848	a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe
2740	ocs_v71a.exe
2740	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2740	2848	a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe	30
PID 2848 wrote to memory of 2740	2848	a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe	30
PID 2848 wrote to memory of 2740	2848	a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe	30
PID 2848 wrote to memory of 2740	2848	a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe	30

C:\Users\Admin\AppData\Local\Temp\a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe
"C:\Users\Admin\AppData\Local\Temp\a663482e1e586c164943645853cffbf2e76ab1439acb3ba934a88c0b91b9a0be.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54434257 -chipde -b3092e70120649879cbe76a7d507e7bf - -ChromeBundle -lzjtqrqyetllasjl -524682
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2740

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\lzjtqrqyetllasjl.dat

Filesize
83B

MD5
7d0a4981bf5f03d5e674f4d727b50271

SHA1
b6ca8d5aae22d04d17b6dc5baf10dc8ebba43a8a

SHA256
c0f0e5349812ff6166624246976fb4c8effdb9679ced683fafc027e0cefe689c

SHA512
a997c0001189c39aefe475dc371bbb6326fe1982c16efb781bf128f746475362ed656125f18f70892c6e59447efb15d8545662b763b2a20ae9353665b8b33433

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2740-12-0x000007FEF53BE000-0x000007FEF53BF000-memory.dmp

Filesize
4KB

Download
memory/2740-13-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2740-14-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2740-16-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2740-17-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2740-18-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2740-19-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2740-20-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2740-21-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2740-22-0x000007FEF5100000-0x000007FEF5A9D000-memory.dmp

Filesize
9.6MB

Download