revengerat | 4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81

Analysis

max time kernel
114s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2025, 13:16

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General

Target

4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe
Size

901KB
MD5

d93d5d9fac451f67e2d502c72b7121b0
SHA1

f079cb157aa0d32d9e14753e15e4b9341db77a63
SHA256

4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81
SHA512

bc0edd4950e251580985104df63173e55dc9c22ebb05d8c8f2567818ec3d40cfd3469683aaf5bd49fc8e5eda0f66902a098dd3e61c69f91441eb4a144e420685
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5r:gh+ZkldoPK8YaKGr

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	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1808 set thread context of 2380	1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.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	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.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	2380	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe
1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe
1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe
1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe
1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1808 wrote to memory of 2380	1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe	82
PID 1808 wrote to memory of 2380	1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe	82
PID 1808 wrote to memory of 2380	1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe	82
PID 1808 wrote to memory of 2380	1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe	82
PID 1808 wrote to memory of 2380	1808	4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe	82

C:\Users\Admin\AppData\Local\Temp\4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.exe
"C:\Users\Admin\AppData\Local\Temp\4fd3b76c86abf61a9eed459e49c809cb389cd29758cffc1d39458171da0a7c81N.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:1808
- 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:2380

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/1808-0-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2380-5-0x0000000073702000-0x0000000073703000-memory.dmp

Filesize
4KB

Download
memory/2380-6-0x0000000073700000-0x0000000073CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2380-7-0x0000000073700000-0x0000000073CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2380-8-0x0000000073702000-0x0000000073703000-memory.dmp

Filesize
4KB

Download
memory/2380-9-0x0000000073700000-0x0000000073CB1000-memory.dmp

Filesize
5.7MB

Download
memory/2380-10-0x0000000073700000-0x0000000073CB1000-memory.dmp

Filesize
5.7MB

Download