revengerat | 4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4

General

Target

4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe
Size

904KB
MD5

d8af44843491b39952150e8cfe236160
SHA1

5e3bcd42f309bda14f658399f4528282f9519e89
SHA256

4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4
SHA512

347770de08d934aa2000f354f3dfef55cc9ce073c21df627a542e46e4bfa05d763a9fbf95fee53405ab887a38d06c573b933f484654625f179aa122649654916
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5R:gh+ZkldoPK8YaKGR

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	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.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	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.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	2232	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe
2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe
2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe
2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe
2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe	30
PID 2188 wrote to memory of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe	30
PID 2188 wrote to memory of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe	30
PID 2188 wrote to memory of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe	30
PID 2188 wrote to memory of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe	30
PID 2188 wrote to memory of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe	30
PID 2188 wrote to memory of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe	30
PID 2188 wrote to memory of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe	30
PID 2188 wrote to memory of 2232	2188	4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe	30

C:\Users\Admin\AppData\Local\Temp\4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.exe
"C:\Users\Admin\AppData\Local\Temp\4f1e286e688fd0cd4ae33fb5e038d03c26a6641df97b0a9074fd3319e6f560b4N.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:2188
- 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:2232

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/2188-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2232-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2232-3-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2232-1-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2232-8-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2232-9-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2232-10-0x0000000074542000-0x0000000074544000-memory.dmp

Filesize
8KB

Download
memory/2232-11-0x0000000074542000-0x0000000074544000-memory.dmp

Filesize
8KB

Download

Analysis

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