darkvnc | bfec5909532fa13fa9e1a2ef05a6d053c44a6aae7f75715bd6f8b0c6264e7330

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 07:15

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General

Target

2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe
Size

448KB
MD5

2d0b8663c370b76694a77d6ce5f3897c
SHA1

f803c6a204231bf80b8ee47912c43d597dbfda8f
SHA256

bfec5909532fa13fa9e1a2ef05a6d053c44a6aae7f75715bd6f8b0c6264e7330
SHA512

837d15e30285cdc0b8935bb1f72d06e2c9cd96423dffd81586ed692d27a432496c9da8413c8f356a9be02cb53f9fddd967f724f17799169baf0465ddce49388d
SSDEEP

12288:6QcCNAX253YeA+2CzSIPi2eWW7IP8T9C57h:6QcCNfpi+vJBc9I

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

Processes:

resource	yara_rule
behavioral2/memory/3100-2-0x0000000004A00000-0x0000000004A88000-memory.dmp	darkvnc
behavioral2/memory/3100-4-0x0000000000400000-0x000000000048A000-memory.dmp	darkvnc
behavioral2/memory/3100-7-0x0000000000400000-0x000000000048A000-memory.dmp	darkvnc
behavioral2/memory/3100-6-0x0000000004A00000-0x0000000004A88000-memory.dmp	darkvnc
behavioral2/memory/3100-5-0x0000000000400000-0x0000000002CA6000-memory.dmp	darkvnc

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2728 3100 WerFault.exe 2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.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:

2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe

pid	pid_target	process	target process
2728	3100	WerFault.exe	2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe

description	pid	process	target process
PID 3100 wrote to memory of 708	3100	2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe	WerFault.exe
PID 3100 wrote to memory of 708	3100	2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2d0b8663c370b76694a77d6ce5f3897c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe
  2⤵
  PID:708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3100 -s 544
  2⤵
  - Program crash
  PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3100 -ip 3100
1⤵
PID:4388

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

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Downloads

memory/3100-1-0x0000000002F60000-0x0000000003060000-memory.dmp

Filesize
1024KB

Download
memory/3100-2-0x0000000004A00000-0x0000000004A88000-memory.dmp

Filesize
544KB

Download
memory/3100-4-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3100-7-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/3100-6-0x0000000004A00000-0x0000000004A88000-memory.dmp

Filesize
544KB

Download
memory/3100-5-0x0000000000400000-0x0000000002CA6000-memory.dmp

Filesize
40.6MB

Download