Malware Analysis Report

2024-10-19 08:01

Sample ID 240415-vk7czsdf8y
Target f18cb7bbe12610779170a81efc177620_JaffaCakes118
SHA256 592f5609624feff2f26fd762db4e24a8eaa5d99fca87a2e697249092003ad391
Tags
darkcomet rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

592f5609624feff2f26fd762db4e24a8eaa5d99fca87a2e697249092003ad391

Threat Level: Known bad

The file f18cb7bbe12610779170a81efc177620_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkcomet rat trojan

Darkcomet

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-15 17:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-15 17:03

Reported

2024-04-15 17:06

Platform

win7-20240221-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe
PID 2020 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe"

Network

N/A

Files

memory/1736-0-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/1736-1-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/1736-2-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/1736-4-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/1736-8-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/1736-6-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/1736-10-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/1736-12-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/1736-14-0x0000000000400000-0x00000000004C8000-memory.dmp

memory/1736-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1736-18-0x0000000000010000-0x0000000000010000-memory.dmp

memory/2020-19-0x0000000000010000-0x00000000000D4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-15 17:03

Reported

2024-04-15 17:06

Platform

win10v2004-20240412-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f18cb7bbe12610779170a81efc177620_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4576 -ip 4576

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 468

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 130.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
NL 23.62.61.129:443 www.bing.com tcp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 129.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 91.65.42.20.in-addr.arpa udp

Files

memory/4576-0-0x0000000000010000-0x00000000000D4000-memory.dmp