revengerat | 881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3

Analysis

max time kernel
117s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 20:01

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General

Target

881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
Size

904KB
MD5

0a8cc78edd78ddf2c5e8ebb9e29b4a34
SHA1

997f653d885dec7e2788d0369e967f86e60ede0c
SHA256

881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3
SHA512

10e39df53c3354bdf235bbe2bb81af34e94657e95166954954009fd362a9159abc464613d54646d1821a514f6aefe1c454fbcce5cd067d730e126fee81b092bb
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5n:gh+ZkldoPK8YaKGn

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	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 4008	2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	83

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	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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	4008	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 4008	2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	83
PID 2408 wrote to memory of 4008	2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	83
PID 2408 wrote to memory of 4008	2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	83
PID 2408 wrote to memory of 4008	2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	83
PID 2408 wrote to memory of 4008	2408	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	83

C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
"C:\Users\Admin\AppData\Local\Temp\881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.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:2408
- 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:4008

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/2408-0-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/4008-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4008-5-0x0000000073B62000-0x0000000073B63000-memory.dmp

Filesize
4KB

Download
memory/4008-6-0x0000000073B60000-0x0000000074111000-memory.dmp

Filesize
5.7MB

Download
memory/4008-7-0x0000000073B60000-0x0000000074111000-memory.dmp

Filesize
5.7MB

Download
memory/4008-8-0x0000000073B62000-0x0000000073B63000-memory.dmp

Filesize
4KB

Download
memory/4008-9-0x0000000073B60000-0x0000000074111000-memory.dmp

Filesize
5.7MB

Download
memory/4008-10-0x0000000073B60000-0x0000000074111000-memory.dmp

Filesize
5.7MB

Download