revengerat | 1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5

General

Target

1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe
Size

952KB
MD5

250d95beeb2551b599d2f3e2aaa11f75
SHA1

8056704457957102b2292b9314d076f22cce64c7
SHA256

1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5
SHA512

f9f43d51e681779120fc6be7705d690877431dab82f7db84365fefbacc6f8623e07c9d867628a90394a5cedbb685767e6fa9b4cede035cb9f85d505f62cdf535
SSDEEP

24576:2AHnh+eWsN3skA4RV1HDm2KXMmHaKZT5C:Rh+ZkldDPK8YaKjC

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3760-0-0x0000000000E20000-0x0000000000F13000-memory.dmp	autoit_exe
behavioral2/memory/3760-9-0x0000000000E20000-0x0000000000F13000-memory.dmp	autoit_exe
behavioral2/memory/3760-16-0x0000000000E20000-0x0000000000F13000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3760 set thread context of 2836	3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe	85

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	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.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	2836	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe
3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe
3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe
3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe
3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 2836	3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe	85
PID 3760 wrote to memory of 2836	3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe	85
PID 3760 wrote to memory of 2836	3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe	85
PID 3760 wrote to memory of 2836	3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe	85
PID 3760 wrote to memory of 2836	3760	1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe	85

C:\Users\Admin\AppData\Local\Temp\1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.exe
"C:\Users\Admin\AppData\Local\Temp\1d37aa9e2c36a75ada4c865b807dd030801cf2cb5c7abe18611ba4d0b3fb34c5.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:3760
- 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:2836

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/2836-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2836-6-0x00000000734D2000-0x00000000734D3000-memory.dmp

Filesize
4KB

Download
memory/2836-7-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/2836-8-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/2836-10-0x00000000734D2000-0x00000000734D3000-memory.dmp

Filesize
4KB

Download
memory/2836-11-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/2836-12-0x00000000734D0000-0x0000000073A81000-memory.dmp

Filesize
5.7MB

Download
memory/3760-0-0x0000000000E20000-0x0000000000F13000-memory.dmp

Filesize
972KB

Download
memory/3760-1-0x0000000003E60000-0x0000000003E61000-memory.dmp

Filesize
4KB

Download
memory/3760-9-0x0000000000E20000-0x0000000000F13000-memory.dmp

Filesize
972KB

Download
memory/3760-16-0x0000000000E20000-0x0000000000F13000-memory.dmp

Filesize
972KB

Download

Analysis

Sharing