Malware Analysis Report

2024-09-22 16:45

Sample ID 240625-gan7rswekn
Target 0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118
SHA256 42b793620ccc9b361fb627bbc381201a16e55b275446cdd466abedb8c99998b0
Tags
darkvnc rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

42b793620ccc9b361fb627bbc381201a16e55b275446cdd466abedb8c99998b0

Threat Level: Known bad

The file 0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkvnc rat

DarkVNC

DarkVNC payload

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-25 05:36

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 05:36

Reported

2024-06-25 05:38

Platform

win7-20240508-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118.exe"

Signatures

DarkVNC

rat darkvnc

DarkVNC payload

rat
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1232 set thread context of 2516 N/A C:\Users\Admin\AppData\Local\Temp\0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118.exe C:\Windows\system32\WerFault.exe

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe

Network

N/A

Files

memory/1232-0-0x00000000002F0000-0x0000000000329000-memory.dmp

memory/1232-1-0x0000000000400000-0x00000000007F7000-memory.dmp

memory/1232-5-0x0000000000401000-0x0000000000447000-memory.dmp

memory/1232-7-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1232-6-0x0000000002200000-0x0000000002201000-memory.dmp

memory/1232-8-0x0000000010000000-0x0000000010089000-memory.dmp

memory/1232-11-0x0000000000580000-0x00000000006C0000-memory.dmp

memory/1232-14-0x0000000000401000-0x0000000000447000-memory.dmp

memory/2516-12-0x000007FFFFFD8000-0x000007FFFFFD9000-memory.dmp

memory/1232-13-0x0000000000400000-0x0000000000448000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 05:36

Reported

2024-06-25 05:38

Platform

win10v2004-20240508-en

Max time kernel

79s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118.exe"

Signatures

DarkVNC

rat darkvnc

DarkVNC payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0cd38e18027da4fa19ef7e53155b6995_JaffaCakes118.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1504 -ip 1504

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 1124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1504 -ip 1504

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 1160

Network

Country Destination Domain Proto
US 52.111.227.11:443 tcp

Files

memory/1504-0-0x00000000028E0000-0x0000000002911000-memory.dmp

memory/1504-1-0x0000000000400000-0x00000000007F7000-memory.dmp

memory/1504-5-0x0000000000401000-0x0000000000447000-memory.dmp

memory/1504-11-0x0000000000400000-0x00000000007F7000-memory.dmp

memory/1504-9-0x0000000000450000-0x00000000004D9000-memory.dmp

memory/1504-7-0x0000000000400000-0x00000000007F7000-memory.dmp

memory/1504-6-0x0000000000400000-0x00000000007F7000-memory.dmp

memory/1504-12-0x0000000000400000-0x0000000000448000-memory.dmp

memory/1504-13-0x0000000000401000-0x0000000000447000-memory.dmp