revengerat | 5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513

General

Target

5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe
Size

905KB
MD5

b360b9027771bca762e577a07ed7a9a1
SHA1

23e78dd2dc77d975f6b4a9a3b37a7754d864fb4f
SHA256

5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513
SHA512

4779905e112a1a60de5c9f99f20f24d5001c56ed0e5fc5dd3ca5c3f42e0c40415a80fec3598c71aed76039f50e7d55bfe90a425ba20dbbad0dbc1f2acc72d243
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa53:gh+ZkldoPK8YaKG3

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	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1820 set thread context of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28

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	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	292	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe
1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe
1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe
1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe
1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28
PID 1820 wrote to memory of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28
PID 1820 wrote to memory of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28
PID 1820 wrote to memory of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28
PID 1820 wrote to memory of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28
PID 1820 wrote to memory of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28
PID 1820 wrote to memory of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28
PID 1820 wrote to memory of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28
PID 1820 wrote to memory of 292	1820	5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe	28

C:\Users\Admin\AppData\Local\Temp\5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.exe
"C:\Users\Admin\AppData\Local\Temp\5256095cec9a7c0f0b88b20328978f688ca77895486d3a048dd876fc1a24a513.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:1820
- 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:292

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/292-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/292-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/292-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/292-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/292-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/292-9-0x0000000073FC2000-0x0000000073FC4000-memory.dmp

Filesize
8KB

Download
memory/292-10-0x0000000073FC2000-0x0000000073FC4000-memory.dmp

Filesize
8KB

Download
memory/1820-0-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download

Analysis

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