revengerat | 253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2d

Analysis

max time kernel
84s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 23:14

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General

Target

253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe
Size

598KB
MD5

1c91756fb2a7f5243d08d7cdb5a16610
SHA1

92c474cb5c5364795af65ae4927299fa79564a91
SHA256

253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2d
SHA512

fc36d942dbe4da5e5e1dce95de8bbdbd0f898084604aab79a62123687362500f407b37c3c5deaa2dbc2db68eb130ce8c4b79b5aa26fef6ba92472981f53c4d96
SSDEEP

6144:mKWlw1DxDNASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2a:m7lw1Dxh5zfXeYU43fiysgfBnnl2a

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/0x000700000001928c-5.dat	revengerat

Executes dropped EXE 1 IoCs

pid	Process
2800	ocs_v71a.exe

Loads dropped DLL 2 IoCs

pid	Process
3052	253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe
3052	253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.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	253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3052	253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe
2800	ocs_v71a.exe
2800	ocs_v71a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2800	3052	253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe	31
PID 3052 wrote to memory of 2800	3052	253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe	31
PID 3052 wrote to memory of 2800	3052	253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe	31
PID 3052 wrote to memory of 2800	3052	253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe	31

C:\Users\Admin\AppData\Local\Temp\253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe
"C:\Users\Admin\AppData\Local\Temp\253f03dbff01332fe0e971293b9432fb843b8ab2f87d61a4b41afeabfc8ebf2dN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
  C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54504926 -chipde -92be2222e4bd4cfda5c7fbdc46a122d5 - -ChromeBundle -iulscfeavhmqtmfr -459040
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2800

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\iulscfeavhmqtmfr.dat

Filesize
83B

MD5
aa13c21ba2b05562aa7cff077804524a

SHA1
591b9b2830c7bfb0f68bd712f3aea8b41a430432

SHA256
1149de0a106820eacea8657550b65c24b81cf02dbfd3c78c1a25e7575787c91c

SHA512
158d2b957629b75d9ff8e3f92e43406371078dce17bdca845b2ea6371e51b468fe1566db14b53737b73457933d059a5c3fdfa5f22b92f51e548b9884945a5684

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

Filesize
288KB

MD5
317ec5f92cfbf04a53e8125b66b3b4af

SHA1
16068b8977b4dc562ae782d91bc009472667e331

SHA256
7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

SHA512
ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

Download Submit
memory/2800-12-0x000007FEF511E000-0x000007FEF511F000-memory.dmp

Filesize
4KB

Download
memory/2800-13-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/2800-14-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/2800-16-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/2800-17-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/2800-18-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/2800-19-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/2800-20-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/2800-21-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download
memory/2800-22-0x000007FEF4E60000-0x000007FEF57FD000-memory.dmp

Filesize
9.6MB

Download