revengerat | 185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897

General

Target

185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe
Size

904KB
MD5

b07715babee8f85f895f19b75cb966c0
SHA1

41ce046b181f8e96fb0caf6aab4fd25794a1b1ce
SHA256

185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897
SHA512

f0548db9ecea202c064b18899050b0cda76b047bb80378da6a4fdf138eb0412daf9226297f00e5392676acdbb73c7237544b974dcd26f1a467ff4c8949875389
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5U:gh+ZkldoPK8YaKGU

Score

10^/10

revengerat marzo26 discovery trojan

Malware Config

Extracted

Family

revengerat

Botnet

Marzo26

C2

marzorevenger.duckdns.org:4230

Mutex

RV_MUTEX-PiGGjjtnxDpn

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat
Revengerat family
revengerat

Drops startup file 1 IoCs

Processes:

185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe

description	pid	process	target process
PID 4908 set thread context of 3356	4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe	RegAsm.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 3356 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3356	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe

pid	process
4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe
4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe
4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe

pid	process
4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe
4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe
4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe

description	pid	process	target process
PID 4908 wrote to memory of 3356	4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe	RegAsm.exe
PID 4908 wrote to memory of 3356	4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe	RegAsm.exe
PID 4908 wrote to memory of 3356	4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe	RegAsm.exe
PID 4908 wrote to memory of 3356	4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe	RegAsm.exe
PID 4908 wrote to memory of 3356	4908	185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe
"C:\Users\Admin\AppData\Local\Temp\185642be7946a67a1ab9fe91909a8c5ae231433798b23ea5a23dbd1d903b9897N.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3356-1-0x0000000000160000-0x0000000000168000-memory.dmp

Filesize
32KB

Download
memory/3356-5-0x0000000074292000-0x0000000074293000-memory.dmp

Filesize
4KB

Download
memory/3356-6-0x0000000074290000-0x0000000074841000-memory.dmp

Filesize
5.7MB

Download
memory/3356-7-0x0000000074290000-0x0000000074841000-memory.dmp

Filesize
5.7MB

Download
memory/3356-8-0x0000000074292000-0x0000000074293000-memory.dmp

Filesize
4KB

Download
memory/3356-9-0x0000000074290000-0x0000000074841000-memory.dmp

Filesize
5.7MB

Download
memory/3356-10-0x0000000074290000-0x0000000074841000-memory.dmp

Filesize
5.7MB

Download
memory/4908-0-0x0000000000E30000-0x0000000000E31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads