revengerat | bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c

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
18-12-2024 10:23

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General

Target

bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe
Size

905KB
MD5

e8779cd6a0dc2ac30f45dbb5e05ed339
SHA1

724eed74ca2241ea01bb4f72d63f68cc77f6ab9f
SHA256

bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c
SHA512

a38a24961f29f41ff37c3800a3bce2d66676c101fb73dbb571d0a85f6704b5fc00358f23a522934213b46e126b73618458f90cfedf93ca4a5bda0ac3863e599e
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5G:gh+ZkldoPK8YaKGG

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	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5100 set thread context of 1000	5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe	84

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	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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	1000	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe
5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe
5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe
5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe
5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 1000	5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe	84
PID 5100 wrote to memory of 1000	5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe	84
PID 5100 wrote to memory of 1000	5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe	84
PID 5100 wrote to memory of 1000	5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe	84
PID 5100 wrote to memory of 1000	5100	bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe	84

C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.exe
"C:\Users\Admin\AppData\Local\Temp\bcb63ce50cf0e99273cf897639e4e62a0f3945239bd36745ee405c56a839ea8c.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:5100
- 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:1000

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

Replay Monitor

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Downloads

memory/1000-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1000-5-0x0000000074012000-0x0000000074013000-memory.dmp

Filesize
4KB

Download
memory/1000-6-0x0000000074010000-0x00000000745C1000-memory.dmp

Filesize
5.7MB

Download
memory/1000-7-0x0000000074010000-0x00000000745C1000-memory.dmp

Filesize
5.7MB

Download
memory/1000-8-0x0000000074012000-0x0000000074013000-memory.dmp

Filesize
4KB

Download
memory/1000-9-0x0000000074010000-0x00000000745C1000-memory.dmp

Filesize
5.7MB

Download
memory/1000-10-0x0000000074010000-0x00000000745C1000-memory.dmp

Filesize
5.7MB

Download
memory/5100-0-0x0000000001680000-0x0000000001681000-memory.dmp

Filesize
4KB

Download