Malware Analysis Report

2024-10-23 18:49

Sample ID 240627-f3eclathme
Target 14d18dcabdddbee8881ef43add7c618a_JaffaCakes118
SHA256 620a87d359a1a5e22b983e28a8635a0856529991be777416fbc901b02d480c90
Tags
cobaltstrike backdoor 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

620a87d359a1a5e22b983e28a8635a0856529991be777416fbc901b02d480c90

Threat Level: Known bad

The file 14d18dcabdddbee8881ef43add7c618a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Blocklisted process makes network request

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-27 05:23

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 05:23

Reported

2024-06-27 05:26

Platform

win7-20240221-en

Max time kernel

119s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\14d18dcabdddbee8881ef43add7c618a_JaffaCakes118.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\14d18dcabdddbee8881ef43add7c618a_JaffaCakes118.dll,#1

Network

N/A

Files

memory/2872-0-0x0000000063BC0000-0x0000000063E03000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 05:23

Reported

2024-06-27 05:26

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

148s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\14d18dcabdddbee8881ef43add7c618a_JaffaCakes118.dll,#1

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\14d18dcabdddbee8881ef43add7c618a_JaffaCakes118.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
DE 62.171.141.54:443 tcp
DE 62.171.141.54:443 tcp
DE 62.171.141.54:443 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
DE 62.171.141.54:443 tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
DE 62.171.141.54:443 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
DE 62.171.141.54:443 tcp
DE 62.171.141.54:443 tcp
DE 62.171.141.54:443 tcp
DE 62.171.141.54:443 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
DE 62.171.141.54:443 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.200.42:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 42.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

memory/4964-0-0x00007FF8C0C80000-0x00007FF8C0D3E000-memory.dmp

memory/4964-3-0x000001AA77B40000-0x000001AA77B41000-memory.dmp

memory/4964-1-0x00007FF8BF230000-0x00007FF8BF4F9000-memory.dmp

memory/4964-2-0x00007FF8C1A10000-0x00007FF8C1C05000-memory.dmp

memory/4964-4-0x0000000063BC0000-0x0000000063E03000-memory.dmp