Malware Analysis Report

2024-10-19 08:14

Sample ID 240417-2ebsfsgc23
Target f6b5db9a551a3d0b5324f1c13b111e5f_JaffaCakes118
SHA256 c65ef76afe470ee6374c040d3f071d3300e44bef5e0482aad151fe112a94ed02
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

c65ef76afe470ee6374c040d3f071d3300e44bef5e0482aad151fe112a94ed02

Threat Level: Known bad

The file f6b5db9a551a3d0b5324f1c13b111e5f_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

2024-04-17 22:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-17 22:29

Reported

2024-04-17 22:31

Platform

win7-20240319-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6b5db9a551a3d0b5324f1c13b111e5f_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\f6b5db9a551a3d0b5324f1c13b111e5f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f6b5db9a551a3d0b5324f1c13b111e5f_JaffaCakes118.exe"

Network

N/A

Files

memory/2064-0-0x00000000001E0000-0x00000000002DE000-memory.dmp

memory/2064-1-0x00000000001E0000-0x00000000002DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-17 22:29

Reported

2024-04-17 22:31

Platform

win10v2004-20240412-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6b5db9a551a3d0b5324f1c13b111e5f_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\f6b5db9a551a3d0b5324f1c13b111e5f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f6b5db9a551a3d0b5324f1c13b111e5f_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.32.126.40.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
BE 88.221.83.208:443 www.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
US 8.8.8.8:53 132.250.30.184.in-addr.arpa udp
US 8.8.8.8:53 208.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 163.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 24.173.189.20.in-addr.arpa udp

Files

memory/3264-0-0x0000000000120000-0x000000000021E000-memory.dmp

memory/3264-1-0x0000000000120000-0x000000000021E000-memory.dmp