Malware Analysis Report

2024-10-19 08:15

Sample ID 240415-awqjdshg43
Target efe35d095ed18d46208e12480f8d58bc_JaffaCakes118
SHA256 9c4c311a5905dd7f086b9a87326ef2a494971416a66f67c1bea7e4794ff5ac85
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

9c4c311a5905dd7f086b9a87326ef2a494971416a66f67c1bea7e4794ff5ac85

Threat Level: Known bad

The file efe35d095ed18d46208e12480f8d58bc_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

expiro backdoor

Expiro, m0yv

Expiro payload

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-15 00:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-15 00:33

Reported

2024-04-15 00:36

Platform

win7-20240221-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\efe35d095ed18d46208e12480f8d58bc_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\efe35d095ed18d46208e12480f8d58bc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\efe35d095ed18d46208e12480f8d58bc_JaffaCakes118.exe"

Network

N/A

Files

memory/2144-0-0x0000000010000000-0x0000000010108000-memory.dmp

memory/2144-1-0x0000000010000000-0x0000000010108000-memory.dmp

memory/2144-2-0x0000000010000000-0x0000000010108000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-15 00:33

Reported

2024-04-15 00:36

Platform

win10v2004-20240226-en

Max time kernel

144s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\efe35d095ed18d46208e12480f8d58bc_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\efe35d095ed18d46208e12480f8d58bc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\efe35d095ed18d46208e12480f8d58bc_JaffaCakes118.exe"

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=1408 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 65.192.122.92.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 214.143.182.52.in-addr.arpa udp

Files

memory/3248-0-0x0000000010000000-0x0000000010108000-memory.dmp

memory/3248-1-0x0000000010000000-0x0000000010108000-memory.dmp

memory/3248-2-0x0000000010000000-0x0000000010108000-memory.dmp