revengerat | f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093

Analysis

max time kernel
75s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 00:57

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General

Target

f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe
Size

598KB
MD5

aac323d8499babcc9333f0163d9f6b93
SHA1

f3c7504ffc5e76601a37a56ae93020ad55eb7b70
SHA256

f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093
SHA512

d78b4915d5ef628cb7d6ccd34d1c44970a841738d37d442539c3c10606e50f728fffc91460663d8bdf7832d150ad83ff7c73b030e6e45426e1383ccd127802d9
SSDEEP

6144:sKWlw1DxD7ASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2N:s7lw1Dxf5zfXeYU43fiysgfBnnl2N

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/0x0008000000016c51-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2756	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2156	f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe
2156	f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.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	f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2156	f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe
2756	ocs_v71a.exe
2756	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2756	2156	f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe	30
PID 2156 wrote to memory of 2756	2156	f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe	30
PID 2156 wrote to memory of 2756	2156	f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe	30
PID 2156 wrote to memory of 2756	2156	f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe	30

C:\Users\Admin\AppData\Local\Temp\f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe
"C:\Users\Admin\AppData\Local\Temp\f8b3fd6f06ec49f1395cdaf87f701841693df06e2507feb37704705209862093.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54458347 -chipde -4c0d7954cb724e329b724513ad70ae2a - -BLUB1 -bbfszvnbkostvbix -393508
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2756

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\bbfszvnbkostvbix.dat

Filesize
81B

MD5
62e87db2b484f01ef45ac7697eb6aaf4

SHA1
461a0844b9998bd9def135e4ff1bdf0f99152285

SHA256
77fa2a431447726ece34cbac233ec18ae793c1e4031d52bd59670b61cc78ffa6

SHA512
01a880eab2bc46be999a858949f4452a5467abafc225e3925fc3fcdf73345d84e0fbec78410eaf4e03728a00cfbe99eb8525dff51717fa1806cf34d4f53256a8

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2756-17-0x000007FEF43D0000-0x000007FEF4D6D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-13-0x000007FEF43D0000-0x000007FEF4D6D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-14-0x000007FEF43D0000-0x000007FEF4D6D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-16-0x000007FEF43D0000-0x000007FEF4D6D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-12-0x000007FEF468E000-0x000007FEF468F000-memory.dmp

Filesize
4KB

Download
memory/2756-19-0x000007FEF43D0000-0x000007FEF4D6D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-20-0x000007FEF43D0000-0x000007FEF4D6D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-18-0x000007FEF43D0000-0x000007FEF4D6D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-21-0x000007FEF43D0000-0x000007FEF4D6D000-memory.dmp

Filesize
9.6MB

Download
memory/2756-22-0x000007FEF468E000-0x000007FEF468F000-memory.dmp

Filesize
4KB

Download
memory/2756-23-0x000007FEF43D0000-0x000007FEF4D6D000-memory.dmp

Filesize
9.6MB

Download