revengerat | bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 05:24

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General

Target

bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.exe
Size

598KB
MD5

9bb7f5388bccc9fe8a4078d79979fbd6
SHA1

322909d31f5ea3833758515e6f567244bf0ee3a8
SHA256

bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778
SHA512

838c524a88b0138dc9328b9a2627b6eca4f939df002c64e168b61ce2c0f1f963fc403d236099a4c23733fb1083f5c92bffcfd0a628067810271a8d9ebc4982ec
SSDEEP

6144:qKWlw1DxD1ASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2/:q7lw1Dx55zfXeYU43fiysgfBnnl2/

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/0x0008000000016cd3-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2392	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
2156	bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.exe
2156	bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.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	bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2156	bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.exe
2392	ocs_v71a.exe
2392	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2392	2156	bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.exe	30
PID 2156 wrote to memory of 2392	2156	bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.exe	30
PID 2156 wrote to memory of 2392	2156	bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.exe	30
PID 2156 wrote to memory of 2392	2156	bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.exe	30

C:\Users\Admin\AppData\Local\Temp\bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.exe
"C:\Users\Admin\AppData\Local\Temp\bfd9d5f9705defd5fa2245cde7b228079100fd5c3c33bec7a7199b13debfa778.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 -54455795 -chipde -5a0450cbab49473ba07e68e13f4220af - -BLUB1 -gfockuapxsdzrqwi -590158
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2392

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\gfockuapxsdzrqwi.dat

Filesize
81B

MD5
ba32955f8e23ad9dc1cac79db10b0c2a

SHA1
9bd99c7c0288d0f688d85c41e95cefe4fdc69b69

SHA256
2b8cec96940b053c1ff7d27afc6300395718a8e570d1e2e018453b308f85c40f

SHA512
c906758f01bafc9430d52ff34f7f532728692c7a669f203ff0b1b0efafdacdaafec10e1bd2a1cedc6b845e5d57c9800b51df16f549894c31bab1cc69f2ed1250

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2392-12-0x000007FEF5E4E000-0x000007FEF5E4F000-memory.dmp

Filesize
4KB

Download
memory/2392-14-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2392-15-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2392-16-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2392-17-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2392-18-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2392-19-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2392-20-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download
memory/2392-21-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

Filesize
9.6MB

Download