Malware Analysis Report

2024-10-23 20:58

Sample ID 240409-vxzhxadd75
Target ea840439548046e28b09eaef3ac5fc34_JaffaCakes118
SHA256 2c6d4e1fe81ff509ba9518d8e074d70c6663c41c417a211d72182c1ad7d577b1
Tags
expiro backdoor
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

2c6d4e1fe81ff509ba9518d8e074d70c6663c41c417a211d72182c1ad7d577b1

Threat Level: Known bad

The file ea840439548046e28b09eaef3ac5fc34_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

expiro backdoor

Expiro, m0yv

Expiro payload

Unsigned PE

Program crash

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-09 17:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-09 17:22

Reported

2024-04-09 17:25

Platform

win7-20240221-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ea840439548046e28b09eaef3ac5fc34_JaffaCakes118.exe"

Signatures

Expiro, m0yv

backdoor expiro

Expiro payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\ea840439548046e28b09eaef3ac5fc34_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ea840439548046e28b09eaef3ac5fc34_JaffaCakes118.exe"

Network

N/A

Files

memory/2772-0-0x00000000002C0000-0x00000000003BF000-memory.dmp

memory/2772-1-0x00000000002C0000-0x00000000003BF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-09 17:22

Reported

2024-04-09 17:25

Platform

win10v2004-20240226-en

Max time kernel

144s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ea840439548046e28b09eaef3ac5fc34_JaffaCakes118.exe"

Signatures

Expiro, m0yv

backdoor expiro

Expiro payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\ea840439548046e28b09eaef3ac5fc34_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ea840439548046e28b09eaef3ac5fc34_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2784 -ip 2784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 236

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=2232 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
GB 142.250.200.42:443 tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 17.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 209.143.182.52.in-addr.arpa udp

Files

memory/2784-0-0x00000000001E0000-0x00000000002DF000-memory.dmp

memory/2784-1-0x00000000001E0000-0x00000000002DF000-memory.dmp

memory/2784-2-0x00000000001E0000-0x00000000002DF000-memory.dmp