revengerat | bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8

General

Target

bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe
Size

905KB
MD5

ba135f187abd61a8f5b31b137d6d0361
SHA1

7b7f7ead69003c7f8c4c02216e178dbaadc110a0
SHA256

bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8
SHA512

5f0b7cc8ae99127eadb7fdf8c044db7bcec2ed5558e0e801fc57596af62ffeb085e0a37a90e0a0c8b9607814aa7bb75f2a0c790be59390c1e628d0f5af5a6cdb
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5o:gh+ZkldoPK8YaKGo

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	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1500 set thread context of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30

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	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.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	1940	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe
1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe
1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe
1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe
1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30
PID 1500 wrote to memory of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30
PID 1500 wrote to memory of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30
PID 1500 wrote to memory of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30
PID 1500 wrote to memory of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30
PID 1500 wrote to memory of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30
PID 1500 wrote to memory of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30
PID 1500 wrote to memory of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30
PID 1500 wrote to memory of 1940	1500	bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe	30

C:\Users\Admin\AppData\Local\Temp\bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.exe
"C:\Users\Admin\AppData\Local\Temp\bd8d4f7159468f7748bd7104fe0e3379a98aa1a5a1eb24c60d05ac3ffaaec6f8.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:1500
- 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:1940

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

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Downloads

memory/1500-0-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1940-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1940-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1940-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1940-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1940-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1940-9-0x0000000074772000-0x0000000074774000-memory.dmp

Filesize
8KB

Download
memory/1940-10-0x0000000074772000-0x0000000074774000-memory.dmp

Filesize
8KB

Download

Analysis

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