revengerat | e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 03:41

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General

Target

e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
Size

904KB
MD5

a1722d25cab94cb04d0ce79e201f52b0
SHA1

6532eb620e97a09e95c836b33d314bb7dffcc9d6
SHA256

e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1
SHA512

453f7e5b3bc494ddf62e0059e2a1e027946cb5cbe74f1d4a79b67490bcb60775806ecf47fe7ea3933c344a78f167fa27ac548fd5f7140a19f775ead10df328b8
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa54:gh+ZkldoPK8YaKG4

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	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4552 set thread context of 2988	4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.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	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.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	2988	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 2988	4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	83
PID 4552 wrote to memory of 2988	4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	83
PID 4552 wrote to memory of 2988	4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	83
PID 4552 wrote to memory of 2988	4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	83
PID 4552 wrote to memory of 2988	4552	e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe	83

C:\Users\Admin\AppData\Local\Temp\e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.exe
"C:\Users\Admin\AppData\Local\Temp\e31b5237571d3e5c757f5f73ce3a270e8337929e63b7e6385b2efd59716fada1N.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:4552
- 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:2988

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/2988-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2988-5-0x00000000736D2000-0x00000000736D3000-memory.dmp

Filesize
4KB

Download
memory/2988-6-0x00000000736D0000-0x0000000073C81000-memory.dmp

Filesize
5.7MB

Download
memory/2988-7-0x00000000736D0000-0x0000000073C81000-memory.dmp

Filesize
5.7MB

Download
memory/2988-8-0x00000000736D2000-0x00000000736D3000-memory.dmp

Filesize
4KB

Download
memory/2988-9-0x00000000736D0000-0x0000000073C81000-memory.dmp

Filesize
5.7MB

Download
memory/2988-10-0x00000000736D0000-0x0000000073C81000-memory.dmp

Filesize
5.7MB

Download
memory/4552-0-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download