revengerat | e5e78b90dfa67c5ce67d5d271bdcd59d55aef53625660adc3564414a30f8047d

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 21:22

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General

Target

21f9aa4b8e01f8b6f9421cf41d01caa2.exe
Size

904KB
MD5

21f9aa4b8e01f8b6f9421cf41d01caa2
SHA1

f92a495936aa1b32a1d7224f0606520242d1c62b
SHA256

e5e78b90dfa67c5ce67d5d271bdcd59d55aef53625660adc3564414a30f8047d
SHA512

9cf0e79f8dd5d407e6a46306ae6cd8388fa662b972bbfaf1f04964068b2fc1b1f419e7be9c31f450f0c9ec1fb6ec5eabd2f2a641b1892a2b19ad158bf3251a44
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5X:gh+ZkldoPK8YaKGX

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	21f9aa4b8e01f8b6f9421cf41d01caa2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31

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	21f9aa4b8e01f8b6f9421cf41d01caa2.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	2124	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe
2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe
2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe
2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe
2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31
PID 2628 wrote to memory of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31
PID 2628 wrote to memory of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31
PID 2628 wrote to memory of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31
PID 2628 wrote to memory of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31
PID 2628 wrote to memory of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31
PID 2628 wrote to memory of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31
PID 2628 wrote to memory of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31
PID 2628 wrote to memory of 2124	2628	21f9aa4b8e01f8b6f9421cf41d01caa2.exe	31

C:\Users\Admin\AppData\Local\Temp\21f9aa4b8e01f8b6f9421cf41d01caa2.exe
"C:\Users\Admin\AppData\Local\Temp\21f9aa4b8e01f8b6f9421cf41d01caa2.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:2628
- 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:2124

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/2124-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2124-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2124-9-0x0000000074742000-0x0000000074744000-memory.dmp

Filesize
8KB

Download
memory/2124-10-0x0000000074742000-0x0000000074744000-memory.dmp

Filesize
8KB

Download
memory/2628-0-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download