Malware Analysis Report

2025-03-14 22:36

Sample ID 240406-r99b4acg3w
Target e2c9fb261ec2389cca2159520acd104c_JaffaCakes118
SHA256 6f71b74f9f2b4bd5b9225ce0fbcc98c41945e5888067fa662a676c940d6253dd
Tags
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

6f71b74f9f2b4bd5b9225ce0fbcc98c41945e5888067fa662a676c940d6253dd

Threat Level: Shows suspicious behavior

The file e2c9fb261ec2389cca2159520acd104c_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence spyware stealer upx

Reads user/profile data of web browsers

UPX packed file

Adds Run key to start application

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-06 14:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 14:54

Reported

2024-04-06 14:57

Platform

win7-20240220-en

Max time kernel

141s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

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
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe" C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1640 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe
PID 1640 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe
PID 1640 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe
PID 1640 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe
PID 1640 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe
PID 1640 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe
PID 1640 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe
PID 1640 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming

C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp

Network

Country Destination Domain Proto
US 8.8.8.8:53 hollandandbarrett.com udp
NL 23.62.61.121:80 hollandandbarrett.com tcp
US 8.8.8.8:53 moremobileringtons.com udp
US 8.8.8.8:53 guitarvideoshool.com udp
US 8.8.8.8:53 zonetf.com udp
US 8.8.8.8:53 zonetf.com udp
US 8.8.8.8:53 zonetf.com udp
US 8.8.8.8:53 zonetf.com udp
US 8.8.8.8:53 zonetf.com udp
NL 212.32.237.92:80 zonetf.com tcp
NL 212.32.237.92:80 zonetf.com tcp
NL 212.32.237.92:80 zonetf.com tcp
NL 212.32.237.92:80 zonetf.com tcp
NL 212.32.237.92:80 zonetf.com tcp
US 8.8.8.8:53 www.google.com udp
DE 172.217.16.196:80 www.google.com tcp
US 8.8.8.8:53 bigmusicarchive.com udp
NL 212.32.237.92:80 zonetf.com tcp
DE 172.217.16.196:80 www.google.com tcp
N/A 127.0.0.1:53394 tcp

Files

memory/1640-3-0x0000000000520000-0x0000000000620000-memory.dmp

memory/1640-1-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2852-6-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2852-5-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2852-7-0x00000000005E0000-0x00000000006E0000-memory.dmp

C:\Users\Admin\AppData\Roaming\0DF8.65B

MD5 2aa7e079fccd7577dc85a3a3826464b2
SHA1 f176259b9021eb2e5e45eebd436ab667ab06fe3c
SHA256 4e1171c07d6c5764ae9fd7493d49c5cfcefb30ce3da466e6dac41e74b45c82f2
SHA512 4f037e46e5a9e0a0764c90aad3509fcdf3316d8ddd84d20554b34a8a11dc2d63674d4619cc43a1585fac1ada76a407036feaa1308fa89ebe684e89b1638f4731

memory/1860-76-0x0000000000400000-0x0000000000442000-memory.dmp

memory/1640-78-0x0000000000400000-0x0000000000442000-memory.dmp

memory/1860-77-0x0000000000575000-0x0000000000590000-memory.dmp

memory/1640-79-0x0000000000520000-0x0000000000620000-memory.dmp

C:\Users\Admin\AppData\Roaming\0DF8.65B

MD5 d205d0a86c22060a49026cedcd0cbf8a
SHA1 add6cae7aa3dbfe24a5f34b85d28fc2af7a5ea2b
SHA256 3dc71b750bf618b97c31ab8a6d42a4825e6d4471846f2a7dded32a831adc57bf
SHA512 b79524c52776acc50ad91d843e39a30b8b3803c7c63973cecb20ed0e57ee109e125eccef4cb709a11cf26c5fdb2f4ee2758fffb544eaa940de27365611a63853

C:\Users\Admin\AppData\Roaming\0DF8.65B

MD5 9de120afff9819db98e074a9eae2e935
SHA1 2d2f693420a2f70fdb5221e4636463abfc0156e8
SHA256 ce4759a1a48e9dcab831f0a205b55035ac2f4bc8ee9e794525ba608e221a97fe
SHA512 7934b5cd5b7c9ccc476fd28cbe117ab0dcb2af146bb8867b6fecd9247a4b34614f4cb3fff9deae5636810bb2dcf796e8d6cbf1d378cd28318548c022f785dd67

memory/2852-149-0x00000000005E0000-0x00000000006E0000-memory.dmp

memory/1640-153-0x0000000000400000-0x0000000000442000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 14:54

Reported

2024-04-06 14:57

Platform

win10v2004-20240226-en

Max time kernel

92s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e2c9fb261ec2389cca2159520acd104c_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 976 -ip 976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 428

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 17.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

N/A