darkvnc | d5e0eecc3da1a2bc3f36df0a05c0ce116def64c9e6c72224c8988a671ed7fe8a

Analysis

max time kernel
139s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2024 23:48

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General

Target

64b4db1046496c57a0779befc72c264d_JaffaCakes118.exe
Size

448KB
MD5

64b4db1046496c57a0779befc72c264d
SHA1

71cfbee47a5b6f0bb18bba914b5896b3037cfeab
SHA256

d5e0eecc3da1a2bc3f36df0a05c0ce116def64c9e6c72224c8988a671ed7fe8a
SHA512

d59bf100032299d10e6737d9489202545ce4cf3b403407da0ba0fbbd0f72b502478ce3557008ad785e146041a100e2e48ba1d9414a983d954cea7437c424f3da
SSDEEP

12288:4NO4tKQaWEkJsUy2H5ZhLvWmyN/En9C5:MtKQaTkJs0LemI49

Score

10^/10

darkvnc discovery rat

Malware Config

Signatures

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

DarkVNC payload 5 IoCs

rat

resource	yara_rule
behavioral2/memory/1536-2-0x0000000004A70000-0x0000000004AF8000-memory.dmp	darkvnc
behavioral2/memory/1536-3-0x0000000000400000-0x000000000048A000-memory.dmp	darkvnc
behavioral2/memory/1536-7-0x0000000000400000-0x000000000048A000-memory.dmp	darkvnc
behavioral2/memory/1536-6-0x0000000004A70000-0x0000000004AF8000-memory.dmp	darkvnc
behavioral2/memory/1536-5-0x0000000000400000-0x0000000002CA6000-memory.dmp	darkvnc

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4388	1536	WerFault.exe	83

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	64b4db1046496c57a0779befc72c264d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 1812	1536	64b4db1046496c57a0779befc72c264d_JaffaCakes118.exe	87
PID 1536 wrote to memory of 1812	1536	64b4db1046496c57a0779befc72c264d_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\64b4db1046496c57a0779befc72c264d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe
  2⤵
  PID:1812
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 564
  2⤵
  - Program crash
  PID:4388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1536 -ip 1536
1⤵
PID:4572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1536-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

Filesize
1024KB

Download
memory/1536-2-0x0000000004A70000-0x0000000004AF8000-memory.dmp

Filesize
544KB

Download
memory/1536-3-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/1536-7-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/1536-6-0x0000000004A70000-0x0000000004AF8000-memory.dmp

Filesize
544KB

Download
memory/1536-5-0x0000000000400000-0x0000000002CA6000-memory.dmp

Filesize
40.6MB

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