revengerat | b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708

Analysis

max time kernel
118s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 13:11

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General

Target

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
Size

904KB
MD5

631006c8c57f155072ad7a043cd6c730
SHA1

5c6cbf725d70f15f54de1ef85627a2c53a6283a9
SHA256

b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708
SHA512

05635e5cc9b97eacd39badf768a9286e680b0d8f3ab993898b8b8087dcb4029ea7f46ae84fa196f1a46e1b45e05d8f7b840b4e0485880c2f563b88d2fa0e7480
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5A:gh+ZkldoPK8YaKGA

Score

10^/10

revengerat marzo26 discovery trojan

Malware Config

Extracted

Family

revengerat

Botnet

Marzo26

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

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1344 set thread context of 4072	1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	84

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.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

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

description	pid	Process
Token: SeDebugPrivilege	4072	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 4072	1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	84
PID 1344 wrote to memory of 4072	1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	84
PID 1344 wrote to memory of 4072	1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	84
PID 1344 wrote to memory of 4072	1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	84
PID 1344 wrote to memory of 4072	1344	b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe	84

C:\Users\Admin\AppData\Local\Temp\b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.exe
"C:\Users\Admin\AppData\Local\Temp\b81565fb3fa5e657915f9cf4d8ba42b1dea441868f7316a91b06bbc1dd12e708N.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:1344
- 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:4072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1344-0-0x0000000003900000-0x0000000003901000-memory.dmp

Filesize
4KB

Download
memory/4072-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4072-5-0x0000000073862000-0x0000000073863000-memory.dmp

Filesize
4KB

Download
memory/4072-6-0x0000000073860000-0x0000000073E11000-memory.dmp

Filesize
5.7MB

Download
memory/4072-7-0x0000000073860000-0x0000000073E11000-memory.dmp

Filesize
5.7MB

Download
memory/4072-8-0x0000000073862000-0x0000000073863000-memory.dmp

Filesize
4KB

Download
memory/4072-9-0x0000000073860000-0x0000000073E11000-memory.dmp

Filesize
5.7MB

Download
memory/4072-10-0x0000000073860000-0x0000000073E11000-memory.dmp

Filesize
5.7MB

Download