revengerat | a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765

General

Target

a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe
Size

904KB
MD5

776eaa6e6fd162c4c65a6db42f952000
SHA1

340e39f807617cccdc1265ae81601a8d46a6b8d6
SHA256

a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765
SHA512

e080a2385b42c7a4b95905454ec652eb9b9f32abf7fc46254d8c699b725b4b828e1f75c56a0022ec1ee705f18bc833de98e3e78edf87e4cf5d9aaad6cc39ddd4
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa58:gh+ZkldoPK8YaKG8

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	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2952 set thread context of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30

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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.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	2968	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe
2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe
2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe
2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe
2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30
PID 2952 wrote to memory of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30
PID 2952 wrote to memory of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30
PID 2952 wrote to memory of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30
PID 2952 wrote to memory of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30
PID 2952 wrote to memory of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30
PID 2952 wrote to memory of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30
PID 2952 wrote to memory of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30
PID 2952 wrote to memory of 2968	2952	a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe	30

C:\Users\Admin\AppData\Local\Temp\a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.exe
"C:\Users\Admin\AppData\Local\Temp\a49edc62f5bfd961a39ec2a2d6bbb53e4f91ad427c11cfd5ac6bc340da179765N.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:2952
- 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:2968

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

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Downloads

memory/2952-0-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/2968-1-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2968-9-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2968-8-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2968-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-3-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2968-10-0x00000000748E2000-0x00000000748E4000-memory.dmp

Filesize
8KB

Download
memory/2968-11-0x00000000748E2000-0x00000000748E4000-memory.dmp

Filesize
8KB

Download

Analysis

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