revengerat | e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991

Analysis

max time kernel
119s
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
16-12-2024 12:25

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General

Target

e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe
Size

904KB
MD5

70742a695db87c530119b4eb0b2fa4a0
SHA1

474e0d90298584396fa8a275746759e7ce67e542
SHA256

e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991
SHA512

94368fa7333f9e609358530077d680fa08c3d5ebf5699ccc0646e34753af0df00f3a35009e1ff2265f939bdd9f728abba3f93d397e70e4870c4536a0bd4f9954
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa57:gh+ZkldoPK8YaKG7

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	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3496 set thread context of 4544	3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.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	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.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	4544	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe
3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe
3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe
3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe
3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 4544	3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe	83
PID 3496 wrote to memory of 4544	3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe	83
PID 3496 wrote to memory of 4544	3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe	83
PID 3496 wrote to memory of 4544	3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe	83
PID 3496 wrote to memory of 4544	3496	e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe	83

C:\Users\Admin\AppData\Local\Temp\e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.exe
"C:\Users\Admin\AppData\Local\Temp\e91312e3bf850be8b2e0b281d4e40cd95d0e7f5260efe1a3e78e477d744cb991N.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:3496
- 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:4544

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/3496-0-0x00000000027E0000-0x00000000027E1000-memory.dmp

Filesize
4KB

Download
memory/4544-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4544-5-0x0000000073962000-0x0000000073963000-memory.dmp

Filesize
4KB

Download
memory/4544-6-0x0000000073960000-0x0000000073F11000-memory.dmp

Filesize
5.7MB

Download
memory/4544-7-0x0000000073960000-0x0000000073F11000-memory.dmp

Filesize
5.7MB

Download
memory/4544-8-0x0000000073962000-0x0000000073963000-memory.dmp

Filesize
4KB

Download
memory/4544-9-0x0000000073960000-0x0000000073F11000-memory.dmp

Filesize
5.7MB

Download
memory/4544-10-0x0000000073960000-0x0000000073F11000-memory.dmp

Filesize
5.7MB

Download