revengerat | a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 02:08

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General

Target

a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe
Size

598KB
MD5

7877862a3937db72f9b21e841ec521b0
SHA1

3212209bebdad8c09bf6ab521bb66769f0ec0533
SHA256

a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7b
SHA512

fb625136a9874c95c8070b5d9df3497b7da1cf9f416d166af4b5982e847156fae03e0e5c20d7f058f9e3c2797893023424d56bab3fdc7dcef60e8655e99cd171
SSDEEP

6144:uKWlw1DxDvASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2b:u7lw1Dx75zfXeYU43fiysgfBnnl2b

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/0x0008000000016c73-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
596	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2020	a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe
2020	a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.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	a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2020	a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe
596	ocs_v71a.exe
596	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 596	2020	a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe	30
PID 2020 wrote to memory of 596	2020	a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe	30
PID 2020 wrote to memory of 596	2020	a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe	30
PID 2020 wrote to memory of 596	2020	a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe	30

C:\Users\Admin\AppData\Local\Temp\a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe
"C:\Users\Admin\AppData\Local\Temp\a8a5aa4bec07a4661c9be5d8c13b6d8c5a40c309f9b4875bf9d11125cc537f7bN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54376725 -chipde -70877aad95ae4862b0c5745de5a9e233 - -BLUB1 -ijxviywfpcswdeoj -393562
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:596

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\ijxviywfpcswdeoj.dat

Filesize
81B

MD5
16963e0627ce721d970cb116cb139d12

SHA1
c5e4ed07d6ee0e3b2423a66116428f46fd9f8362

SHA256
145531cc960e4e14386473b55f43859cd40a1259715cbaa2eb2634f7aab940c1

SHA512
043074f7a7bfb6d88aba23380c6e22135667536578f7ed3e29724d08780f13ec9144a3b41dab6e6d8687f8e5fdd7daecf7c2172eb28b7f918aa9216195b2ba08

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/596-12-0x000007FEF58BE000-0x000007FEF58BF000-memory.dmp

Filesize
4KB

Download
memory/596-14-0x000007FEF5600000-0x000007FEF5F9D000-memory.dmp

Filesize
9.6MB

Download
memory/596-15-0x000007FEF5600000-0x000007FEF5F9D000-memory.dmp

Filesize
9.6MB

Download
memory/596-16-0x000007FEF5600000-0x000007FEF5F9D000-memory.dmp

Filesize
9.6MB

Download
memory/596-17-0x000007FEF5600000-0x000007FEF5F9D000-memory.dmp

Filesize
9.6MB

Download
memory/596-18-0x000007FEF5600000-0x000007FEF5F9D000-memory.dmp

Filesize
9.6MB

Download
memory/596-19-0x000007FEF5600000-0x000007FEF5F9D000-memory.dmp

Filesize
9.6MB

Download
memory/596-20-0x000007FEF5600000-0x000007FEF5F9D000-memory.dmp

Filesize
9.6MB

Download
memory/596-21-0x000007FEF5600000-0x000007FEF5F9D000-memory.dmp

Filesize
9.6MB

Download