darkvnc | e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e

General

Target

e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e.dll
Size

1.3MB
MD5

18daabe5d418c11ea9f4dbcfe0f0ff68
SHA1

ea9469bcc21a1d90cc6282740634221c3cc4dd2a
SHA256

e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e
SHA512

e9d8ac0524df841e2b3517c8d431c5ea261f8dfbf56d3f4965a0bfdbc9637be67e586437bfbf8487d070ee1c38daddfce300f13e8ef8e4484a6fa6219492a7f0
SSDEEP

24576:3GVHktlw0r6ZbU+7qe2EjSIgVVdHMuK1PrVhNRW/urkDmWcq8bwERy:uHGw9d37qcjSIkHe1zVhDWq+fcqSwEk

Score

10^/10

darkvnc discovery rat

Malware Config

Signatures

DarkVNC
DarkVNC is a malicious version of the famous VNC software.
rat darkvnc
Darkvnc family
darkvnc

DarkVNC payload 9 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1104-2-0x00000000746E0000-0x00000000748D1000-memory.dmp	darkvnc
behavioral1/memory/2736-6-0x0000000001B60000-0x0000000001C2A000-memory.dmp	darkvnc
behavioral1/memory/2736-11-0x0000000001B60000-0x0000000001C2A000-memory.dmp	darkvnc
behavioral1/memory/2736-10-0x0000000001B60000-0x0000000001C2A000-memory.dmp	darkvnc
behavioral1/memory/2736-14-0x0000000001B60000-0x0000000001C2A000-memory.dmp	darkvnc
behavioral1/memory/2736-12-0x0000000001B60000-0x0000000001C2A000-memory.dmp	darkvnc
behavioral1/memory/2736-13-0x0000000001B60000-0x0000000001C2A000-memory.dmp	darkvnc
behavioral1/memory/1104-15-0x00000000746E0000-0x00000000748D1000-memory.dmp	darkvnc
behavioral1/memory/2736-16-0x0000000001B60000-0x0000000001C2A000-memory.dmp	darkvnc

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1104 set thread context of 2736 1104 rundll32.exe WerFault.exe
System Location Discovery: System Language Discovery 1 TTPs 1 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:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

rundll32.exe

pid process

1104 rundll32.exe

description	pid	process	target process
PID 1104 set thread context of 2736	1104	rundll32.exe	WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

pid	process
1104	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2024 wrote to memory of 1104	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1104	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1104	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1104	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1104	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1104	2024	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 1104	2024	rundll32.exe	rundll32.exe
PID 1104 wrote to memory of 2736	1104	rundll32.exe	WerFault.exe
PID 1104 wrote to memory of 2736	1104	rundll32.exe	WerFault.exe
PID 1104 wrote to memory of 2736	1104	rundll32.exe	WerFault.exe
PID 1104 wrote to memory of 2736	1104	rundll32.exe	WerFault.exe
PID 1104 wrote to memory of 2736	1104	rundll32.exe	WerFault.exe
PID 1104 wrote to memory of 2736	1104	rundll32.exe	WerFault.exe
PID 1104 wrote to memory of 2736	1104	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e11547db899baadb5a40d9e624779d42a76ae3a7f3fcfe69c94e9e0d4783c32e.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1104
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe
    3⤵
    PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1104-2-0x00000000746E0000-0x00000000748D1000-memory.dmp

Filesize
1.9MB

Download
memory/1104-3-0x00000000746E0000-0x00000000748D1000-memory.dmp

Filesize
1.9MB

Download
memory/1104-0-0x0000000074833000-0x0000000074837000-memory.dmp

Filesize
16KB

Download
memory/1104-15-0x00000000746E0000-0x00000000748D1000-memory.dmp

Filesize
1.9MB

Download
memory/2736-11-0x0000000001B60000-0x0000000001C2A000-memory.dmp

Filesize
808KB

Download
memory/2736-5-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2736-6-0x0000000001B60000-0x0000000001C2A000-memory.dmp

Filesize
808KB

Download
memory/2736-10-0x0000000001B60000-0x0000000001C2A000-memory.dmp

Filesize
808KB

Download
memory/2736-14-0x0000000001B60000-0x0000000001C2A000-memory.dmp

Filesize
808KB

Download
memory/2736-12-0x0000000001B60000-0x0000000001C2A000-memory.dmp

Filesize
808KB

Download
memory/2736-13-0x0000000001B60000-0x0000000001C2A000-memory.dmp

Filesize
808KB

Download
memory/2736-4-0x000007FFFFFD4000-0x000007FFFFFD5000-memory.dmp

Filesize
4KB

Download
memory/2736-16-0x0000000001B60000-0x0000000001C2A000-memory.dmp

Filesize
808KB

Download

Analysis

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