revengerat | 5056e5fb84287fe7c5f5300fe9eb8394c33219cfc896946e298621cb5d9de942

General

Target

39a047da59a7fc1c27bc5f4dcef31350N.exe
Size

904KB
MD5

39a047da59a7fc1c27bc5f4dcef31350
SHA1

134effc387741fef74af5bd7b92ca9f8d243d2ed
SHA256

5056e5fb84287fe7c5f5300fe9eb8394c33219cfc896946e298621cb5d9de942
SHA512

d385a161a0f3bbc6574a39c5d3e2f6f207c20e4997fca976e52c3b9e5164ec89f710c6d3cda9062b7dc24226c661ac4d5c29808ec2c43d328a653b6da59e833a
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5M:gh+ZkldoPK8YaKGM

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

Processes:

39a047da59a7fc1c27bc5f4dcef31350N.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	39a047da59a7fc1c27bc5f4dcef31350N.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

39a047da59a7fc1c27bc5f4dcef31350N.exe

description	pid	Process	procid_target
PID 1264 set thread context of 1236	1264	39a047da59a7fc1c27bc5f4dcef31350N.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

39a047da59a7fc1c27bc5f4dcef31350N.exeRegAsm.exedw20.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39a047da59a7fc1c27bc5f4dcef31350N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

dw20.exeRegAsm.exe

description	pid	Process
Token: SeRestorePrivilege	2316	dw20.exe
Token: SeBackupPrivilege	2316	dw20.exe
Token: SeDebugPrivilege	1236	RegAsm.exe
Token: SeBackupPrivilege	2316	dw20.exe
Token: SeBackupPrivilege	2316	dw20.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

39a047da59a7fc1c27bc5f4dcef31350N.exe

pid	Process
1264	39a047da59a7fc1c27bc5f4dcef31350N.exe
1264	39a047da59a7fc1c27bc5f4dcef31350N.exe
1264	39a047da59a7fc1c27bc5f4dcef31350N.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

39a047da59a7fc1c27bc5f4dcef31350N.exe

pid	Process
1264	39a047da59a7fc1c27bc5f4dcef31350N.exe
1264	39a047da59a7fc1c27bc5f4dcef31350N.exe
1264	39a047da59a7fc1c27bc5f4dcef31350N.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

39a047da59a7fc1c27bc5f4dcef31350N.exeRegAsm.exe

description	pid	Process	procid_target
PID 1264 wrote to memory of 1236	1264	39a047da59a7fc1c27bc5f4dcef31350N.exe	84
PID 1264 wrote to memory of 1236	1264	39a047da59a7fc1c27bc5f4dcef31350N.exe	84
PID 1264 wrote to memory of 1236	1264	39a047da59a7fc1c27bc5f4dcef31350N.exe	84
PID 1264 wrote to memory of 1236	1264	39a047da59a7fc1c27bc5f4dcef31350N.exe	84
PID 1264 wrote to memory of 1236	1264	39a047da59a7fc1c27bc5f4dcef31350N.exe	84
PID 1236 wrote to memory of 2316	1236	RegAsm.exe	86
PID 1236 wrote to memory of 2316	1236	RegAsm.exe	86
PID 1236 wrote to memory of 2316	1236	RegAsm.exe	86

C:\Users\Admin\AppData\Local\Temp\39a047da59a7fc1c27bc5f4dcef31350N.exe
"C:\Users\Admin\AppData\Local\Temp\39a047da59a7fc1c27bc5f4dcef31350N.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:1264
- 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
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 708
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:2316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

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/1236-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1236-5-0x0000000073982000-0x0000000073983000-memory.dmp

Filesize
4KB

Download
memory/1236-6-0x0000000073980000-0x0000000073F31000-memory.dmp

Filesize
5.7MB

Download
memory/1236-7-0x0000000073980000-0x0000000073F31000-memory.dmp

Filesize
5.7MB

Download
memory/1236-14-0x0000000073980000-0x0000000073F31000-memory.dmp

Filesize
5.7MB

Download
memory/1264-0-0x0000000003D20000-0x0000000003D21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads