revengerat | 18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fb

General

Target

18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe
Size

904KB
MD5

9946eeb55e52f2c31a4d7400bad924f0
SHA1

83f55d9025cb537fc18ba461e06d50459cddc5b9
SHA256

18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fb
SHA512

e7606a6d8da1b64f70e3685c9ecc4bc5b71357eafb89719435ab24e7c7f70d04479af696b12c24a53c3d7a70df872d62cfb0b9e5a8836f57cf69877706b79111
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5h:gh+ZkldoPK8YaKGh

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

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2708-0-0x00000000010D0000-0x00000000011B7000-memory.dmp	autoit_exe
behavioral1/memory/2708-10-0x00000000010D0000-0x00000000011B7000-memory.dmp	autoit_exe
behavioral1/memory/2708-15-0x00000000010D0000-0x00000000011B7000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.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	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.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	2400	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe
2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe
2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe
2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe
2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe	31
PID 2708 wrote to memory of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe	31
PID 2708 wrote to memory of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe	31
PID 2708 wrote to memory of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe	31
PID 2708 wrote to memory of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe	31
PID 2708 wrote to memory of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe	31
PID 2708 wrote to memory of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe	31
PID 2708 wrote to memory of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe	31
PID 2708 wrote to memory of 2400	2708	18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe	31

C:\Users\Admin\AppData\Local\Temp\18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.exe
"C:\Users\Admin\AppData\Local\Temp\18e12ecf87db5d58357b9f6b0e3d74fa34d4eab2bc7ec273394495f071e6c9fbN.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:2708
- 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:2400

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2400-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2400-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2400-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2400-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2400-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2400-9-0x0000000073EA2000-0x0000000073EA4000-memory.dmp

Filesize
8KB

Download
memory/2400-11-0x0000000073EA2000-0x0000000073EA4000-memory.dmp

Filesize
8KB

Download
memory/2708-0-0x00000000010D0000-0x00000000011B7000-memory.dmp

Filesize
924KB

Download
memory/2708-10-0x00000000010D0000-0x00000000011B7000-memory.dmp

Filesize
924KB

Download
memory/2708-15-0x00000000010D0000-0x00000000011B7000-memory.dmp

Filesize
924KB

Download

Analysis

Sharing