revengerat | 1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 04:06

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General

Target

1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe
Size

598KB
MD5

3a58ccd82ac789f96a4499506f720e10
SHA1

8102bae8a6df7d262f5ff5e5a9b6e4b73ecd5f3a
SHA256

1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440
SHA512

b22ac4c88f2902cca93647db962751a862a127e65c78bd4cd4148a85d86dad3e0a095d080453366dce8fe86dada4571936f9014186d631a2402ed686f8cf6596
SSDEEP

6144:3KWlw1DxDVASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2q:37lw1Dx55zfXeYU43fiysgfBnnl2q

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/0x0007000000016cf0-6.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2128	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
1972	1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe
1972	1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.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	1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1972	1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe
2128	ocs_v71a.exe
2128	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2128	1972	1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe	30
PID 1972 wrote to memory of 2128	1972	1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe	30
PID 1972 wrote to memory of 2128	1972	1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe	30
PID 1972 wrote to memory of 2128	1972	1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe	30

C:\Users\Admin\AppData\Local\Temp\1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe
"C:\Users\Admin\AppData\Local\Temp\1541b2f47de33e0e3eb10a82ff2e3d97eec0edbce8ca2fb46cb59ebd6e420440.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54396726 -chipde -9bf6443ba0b947b08a1364c5cb812ef7 - -BLUB1 -cnhcxweawewliugo -393502
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2128

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\cnhcxweawewliugo.dat

Filesize
81B

MD5
6f3f2ba201f54d5cefd7391ea6224736

SHA1
227f4c3b3983f5446147dbd439c20e05373b477e

SHA256
e2eb3f94ce02f5d4c5d17c39c8295df0b4424da504882c49ceaf63a36f548f32

SHA512
bf15005910a2f7939ca66e4cabb6d470b83200d8fc5f36a26cb80833a78fdd1129aa6e9c2b5f5d85752818a6ea274660f98d27172dd152099b802ada9a6f5ab4

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2128-12-0x000007FEF544E000-0x000007FEF544F000-memory.dmp

Filesize
4KB

Download
memory/2128-13-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-14-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-16-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-17-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-19-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-18-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-20-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-21-0x000007FEF5190000-0x000007FEF5B2D000-memory.dmp

Filesize
9.6MB

Download