revengerat | a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 09:51

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General

Target

a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
Size

904KB
MD5

6afa0d6183c60c6a9193cf00d89ee6fd
SHA1

be00bee3d8d7751575ac099307102ed5d28fe6d3
SHA256

a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd
SHA512

2f2f57ba50fa1d7738748ffeaf166bec1eb3e2da1973c5ae8b28ca063bed409bee3fe23759c4c599be64c01953ef5353ecbbbbc421692d18f81cde2a7dbf46d3
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5/:gh+ZkldoPK8YaKG/

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	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 828 set thread context of 3516	828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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	3516	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 3516	828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	83
PID 828 wrote to memory of 3516	828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	83
PID 828 wrote to memory of 3516	828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	83
PID 828 wrote to memory of 3516	828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	83
PID 828 wrote to memory of 3516	828	a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe	83

C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.exe
"C:\Users\Admin\AppData\Local\Temp\a44819c00a56bfe37923f5019269430c86821f03e1fc3e7a4163871dba41c9bd.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:828
- 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:3516

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/828-0-0x0000000001290000-0x0000000001291000-memory.dmp

Filesize
4KB

Download
memory/3516-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3516-5-0x00000000734A2000-0x00000000734A3000-memory.dmp

Filesize
4KB

Download
memory/3516-6-0x00000000734A0000-0x0000000073A51000-memory.dmp

Filesize
5.7MB

Download
memory/3516-7-0x00000000734A0000-0x0000000073A51000-memory.dmp

Filesize
5.7MB

Download
memory/3516-8-0x00000000734A2000-0x00000000734A3000-memory.dmp

Filesize
4KB

Download
memory/3516-9-0x00000000734A0000-0x0000000073A51000-memory.dmp

Filesize
5.7MB

Download
memory/3516-10-0x00000000734A0000-0x0000000073A51000-memory.dmp

Filesize
5.7MB

Download