revengerat | 881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3

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

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

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 2920 set thread context of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe
2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28
PID 2920 wrote to memory of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28
PID 2920 wrote to memory of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28
PID 2920 wrote to memory of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28
PID 2920 wrote to memory of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28
PID 2920 wrote to memory of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28
PID 2920 wrote to memory of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28
PID 2920 wrote to memory of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28
PID 2920 wrote to memory of 3020	2920	881f0fde97e3a94f2f88e4023abc52c03ff1ece316222ff6a69741e6243f6aa3.exe	28

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:2920
- 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:3020

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

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Downloads

memory/2920-0-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/3020-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3020-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3020-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3020-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3020-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3020-9-0x00000000749D2000-0x00000000749D4000-memory.dmp

Filesize
8KB

Download
memory/3020-10-0x00000000749D2000-0x00000000749D4000-memory.dmp

Filesize
8KB

Download

Analysis

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