revengerat | 525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093

Analysis

max time kernel
118s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 19:41

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General

Target

525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe
Size

905KB
MD5

e49573e6de6196066a5b7b0d253fc440
SHA1

0d67479d84fa3ca71528fbf3893b5e998331be1c
SHA256

525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093
SHA512

818a81c510ec949d3c53b8b52d1a5f0e5213478dc8bbeacf331b8f5566407c1145d3162368d991d0f7bb63c7b4a6d7af236d447f255db995833096023a2d9fac
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5o:gh+ZkldoPK8YaKGo

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	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5060 set thread context of 1600	5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe	82

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	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.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	1600	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe
5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe
5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe
5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe
5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 1600	5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe	82
PID 5060 wrote to memory of 1600	5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe	82
PID 5060 wrote to memory of 1600	5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe	82
PID 5060 wrote to memory of 1600	5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe	82
PID 5060 wrote to memory of 1600	5060	525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe	82

C:\Users\Admin\AppData\Local\Temp\525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.exe
"C:\Users\Admin\AppData\Local\Temp\525c81837a9db8e26aa4940b2d1c995e4c51502e1feb76ef4d063bb036490093N.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:5060
- 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:1600

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/1600-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1600-5-0x0000000073682000-0x0000000073683000-memory.dmp

Filesize
4KB

Download
memory/1600-6-0x0000000073680000-0x0000000073C31000-memory.dmp

Filesize
5.7MB

Download
memory/1600-7-0x0000000073680000-0x0000000073C31000-memory.dmp

Filesize
5.7MB

Download
memory/1600-8-0x0000000073682000-0x0000000073683000-memory.dmp

Filesize
4KB

Download
memory/1600-9-0x0000000073680000-0x0000000073C31000-memory.dmp

Filesize
5.7MB

Download
memory/1600-10-0x0000000073680000-0x0000000073C31000-memory.dmp

Filesize
5.7MB

Download
memory/5060-0-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download