revengerat | b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c

General

Target

b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe
Size

904KB
MD5

6ddf2bf221968dcac94f75c6cdaf59d4
SHA1

d590b3e568491bfc61dbfd9224bd76380fc8222f
SHA256

b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c
SHA512

2f8c82dac21e1d157e597c31190b1ff62bcb0f43a3726e445b7b48d9a114bc87c2dc3a00fe0dd46405b588e4ca8d56354f55c79c6fb7703e45b9658b5220e6a2
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5A:gh+ZkldoPK8YaKGA

Score

10^/10

revengerat marzo26 discovery trojan

Malware Config

Extracted

Family

revengerat

Botnet

Marzo26

C2

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

Processes:

b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe

description	pid	process	target process
PID 524 set thread context of 1452	524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe	RegAsm.exe

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

Processes:

b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.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

Processes:

RegAsm.exe

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

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1452 RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1452	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe

pid	process
524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe
524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe
524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe

pid	process
524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe
524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe
524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe

description	pid	process	target process
PID 524 wrote to memory of 1452	524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe	RegAsm.exe
PID 524 wrote to memory of 1452	524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe	RegAsm.exe
PID 524 wrote to memory of 1452	524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe	RegAsm.exe
PID 524 wrote to memory of 1452	524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe	RegAsm.exe
PID 524 wrote to memory of 1452	524	b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.exe
"C:\Users\Admin\AppData\Local\Temp\b9c042abd362dddca921736176143afed0e3a1d331e32fcd26a2f8725386627c.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:524
- 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:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/524-0-0x0000000003130000-0x0000000003131000-memory.dmp

Filesize
4KB

Download
memory/1452-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1452-5-0x0000000073D82000-0x0000000073D83000-memory.dmp

Filesize
4KB

Download
memory/1452-6-0x0000000073D80000-0x0000000074331000-memory.dmp

Filesize
5.7MB

Download
memory/1452-7-0x0000000073D80000-0x0000000074331000-memory.dmp

Filesize
5.7MB

Download
memory/1452-8-0x0000000073D82000-0x0000000073D83000-memory.dmp

Filesize
4KB

Download
memory/1452-9-0x0000000073D80000-0x0000000074331000-memory.dmp

Filesize
5.7MB

Download
memory/1452-10-0x0000000073D80000-0x0000000074331000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads