Malware Analysis Report

2025-03-15 08:12

Sample ID 240529-xq22kafb59
Target 81931e256255d48f32809a7a326beec9_JaffaCakes118
SHA256 debbfa69c04b5a478bda84a2542bac7694e254cdffa5f6ab8a945a91785f0e0e
Tags
xmrig miner 0 cobaltstrike
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

debbfa69c04b5a478bda84a2542bac7694e254cdffa5f6ab8a945a91785f0e0e

Threat Level: Known bad

The file 81931e256255d48f32809a7a326beec9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xmrig miner 0 cobaltstrike

Cobaltstrike family

XMRig Miner payload

Xmrig family

xmrig

Cobalt Strike reflective loader

XMRig Miner payload

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-29 19:04

Signatures

Cobalt Strike reflective loader

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

Cobaltstrike family

cobaltstrike

XMRig Miner payload

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

Xmrig family

xmrig

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-29 19:04

Reported

2024-05-29 19:06

Platform

win7-20240419-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81931e256255d48f32809a7a326beec9_JaffaCakes118.exe"

Signatures

xmrig

miner xmrig

XMRig Miner payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\81931e256255d48f32809a7a326beec9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\81931e256255d48f32809a7a326beec9_JaffaCakes118.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3000 -s 72

Network

N/A

Files

memory/3000-0-0x000000013FDF0000-0x000000014013D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 19:04

Reported

2024-05-29 19:06

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81931e256255d48f32809a7a326beec9_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\81931e256255d48f32809a7a326beec9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\81931e256255d48f32809a7a326beec9_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.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 8.8.8.8:53 129.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 174.117.168.52.in-addr.arpa udp

Files

N/A