darkvnc | 67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9

General

Target

67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe
Size

542KB
MD5

ba8a5f2f4ed11ccd9225f2511adab2ae
SHA1

523762dcdc6bcdf606d53236d74ec5a273fcbf12
SHA256

67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9
SHA512

ecb74bd7e52d318c7b0c2568d56dfd2564b3b0cd29125cd4fb71198c0a2c8fbf761d4c2e85ef5f14d9e1b716499308209a15ebd9169ca625d6306569bef5d500
SSDEEP

12288:zWR651v0Rkf6vu9jT98AvNKBZllnEmYDZV7SZ+:z6asRkSEjTOYNKrfEmYDTSQ

Score

10^/10

darkvnc rat

Malware Config

Signatures

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

DarkVNC payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3260-140-0x0000000000450000-0x00000000004D9000-memory.dmp	darkvnc
behavioral2/memory/2624-146-0x00000198779A0000-0x0000019877A69000-memory.dmp	darkvnc
behavioral2/memory/2624-149-0x00000198779A0000-0x0000019877A69000-memory.dmp	darkvnc

Suspicious use of SetThreadContext 1 IoCs

Processes:

67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe

description	pid	process	target process
PID 3260 set thread context of 2624	3260	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe	WerFault.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 4 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
1628	3260	WerFault.exe	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe
1244	3260	WerFault.exe	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe
1776	3260	WerFault.exe	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe
3656	3260	WerFault.exe	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe

pid process

3260 67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe

pid process

3260 67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe

pid	process
3260	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe

pid	process
3260	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe

description	pid	process	target process
PID 3260 wrote to memory of 2624	3260	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe	WerFault.exe
PID 3260 wrote to memory of 2624	3260	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe	WerFault.exe
PID 3260 wrote to memory of 2624	3260	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe	WerFault.exe
PID 3260 wrote to memory of 2624	3260	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe	WerFault.exe
PID 3260 wrote to memory of 2624	3260	67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe
"C:\Users\Admin\AppData\Local\Temp\67228849b80880ab0bd4d4b6c59c15ce97e13d790aed826b7558a888492652c9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 628
  2⤵
  - Program crash
  PID:1628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 676
  2⤵
  - Program crash
  PID:1244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 668
  2⤵
  - Program crash
  PID:1776
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe
  2⤵
  PID:2624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 796
  2⤵
  - Program crash
  PID:3656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3260 -ip 3260
1⤵
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3260 -ip 3260
1⤵
PID:1484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3260 -ip 3260
1⤵
PID:2000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3260 -ip 3260
1⤵
PID:3164

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2624-145-0x0000000000000000-mapping.dmp

Download
memory/2624-149-0x00000198779A0000-0x0000019877A69000-memory.dmp

Filesize
804KB

Download
memory/2624-146-0x00000198779A0000-0x0000019877A69000-memory.dmp

Filesize
804KB

Download
memory/3260-136-0x0000000000890000-0x0000000000908000-memory.dmp

Filesize
480KB

Download
memory/3260-132-0x00000000009E3000-0x0000000000A33000-memory.dmp

Filesize
320KB

Download
memory/3260-137-0x0000000000400000-0x0000000000881000-memory.dmp

Filesize
4.5MB

Download
memory/3260-138-0x0000000000400000-0x0000000000881000-memory.dmp

Filesize
4.5MB

Download
memory/3260-140-0x0000000000450000-0x00000000004D9000-memory.dmp

Filesize
548KB

Download
memory/3260-142-0x0000000000400000-0x0000000000881000-memory.dmp

Filesize
4.5MB

Download
memory/3260-143-0x0000000000400000-0x0000000000881000-memory.dmp

Filesize
4.5MB

Download
memory/3260-144-0x0000000000400000-0x0000000000881000-memory.dmp

Filesize
4.5MB

Download
memory/3260-135-0x00000000009E3000-0x0000000000A33000-memory.dmp

Filesize
320KB

Download
memory/3260-134-0x0000000000400000-0x0000000000881000-memory.dmp

Filesize
4.5MB

Download
memory/3260-147-0x00000000009E3000-0x0000000000A33000-memory.dmp

Filesize
320KB

Download
memory/3260-148-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3260-133-0x0000000000890000-0x0000000000908000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads