Malware Analysis Report

2025-08-11 01:16

Sample ID 241021-kf8p5sxaja
Target 662725a71fee0030d0514610056ea1d3_JaffaCakes118
SHA256 d9c2825fcb3b09e2ecc5269b6c0029360d35a4835f081c713d7e654be60805c9
Tags
discovery persistence spyware stealer upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
7/10

SHA256

d9c2825fcb3b09e2ecc5269b6c0029360d35a4835f081c713d7e654be60805c9

Threat Level: Shows suspicious behavior

The file 662725a71fee0030d0514610056ea1d3_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery persistence spyware stealer upx

Reads user/profile data of web browsers

Adds Run key to start application

Checks installed software on the system

UPX packed file

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-21 08:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-21 08:33

Reported

2024-10-21 08:36

Platform

win7-20241010-en

Max time kernel

150s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe"

Network

Country Destination Domain Proto
JP 220.215.171.123:80 tcp
UA 95.69.198.123:80 tcp
DE 46.5.35.124:80 tcp
JP 210.79.42.125:80 tcp
LT 86.38.84.125:80 tcp
UA 176.241.133.121:80 tcp
RU 188.255.34.129:80 tcp
UA 94.153.91.131:80 tcp
UA 134.249.168.132:80 tcp
BG 84.238.197.137:80 tcp
PL 31.11.254.148:80 tcp
JP 124.109.133.149:80 tcp
JP 119.26.31.150:80 tcp
UA 5.248.177.156:80 tcp
UA 178.150.139.157:80 tcp
RU 46.72.35.139:80 tcp
UA 77.122.98.139:80 tcp
ES 109.232.112.139:80 tcp
HK 113.253.148.143:80 tcp
EE 85.253.112.144:80 tcp
UA 77.122.234.46:80 tcp
UA 176.8.56.47:80 tcp
BG 194.12.252.50:80 tcp
UA 185.39.74.52:80 tcp
UA 178.150.244.54:80 tcp
UA 109.251.75.235:80 tcp
RU 212.22.71.239:80 tcp
UA 134.249.232.240:80 tcp
IT 87.121.67.242:80 tcp
LV 87.110.136.242:80 tcp
UA 31.202.176.100:80 tcp
KR 183.99.209.102:80 tcp
UA 141.105.128.105:80 tcp
BY 178.172.199.106:80 tcp
UA 46.118.30.111:80 tcp

Files

memory/2172-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2172-1-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2172-2-0x0000000000400000-0x000000000063E000-memory.dmp

memory/2172-3-0x0000000000400000-0x000000000063E000-memory.dmp

memory/2172-5-0x0000000000400000-0x000000000063E000-memory.dmp

memory/2172-4-0x0000000000576000-0x000000000063D000-memory.dmp

memory/2172-6-0x0000000000400000-0x000000000063E000-memory.dmp

memory/2172-7-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2172-9-0x0000000000400000-0x000000000063E000-memory.dmp

memory/2172-8-0x0000000000576000-0x000000000063D000-memory.dmp

memory/2172-11-0x0000000000400000-0x000000000063E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-21 08:33

Reported

2024-10-21 08:36

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\662725a71fee0030d0514610056ea1d3_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4532 -ip 4532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 336

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
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
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

N/A