Malware Analysis Report

2025-01-18 22:11

Sample ID 240502-l8tx5agg44
Target 0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118
SHA256 72e31a04abb54a2fcc9aadbc2b2eee1ca79fd888dfb3bb81058902a7b0747d5c
Tags
adware stealer
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

72e31a04abb54a2fcc9aadbc2b2eee1ca79fd888dfb3bb81058902a7b0747d5c

Threat Level: Shows suspicious behavior

The file 0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Checks computer location settings

Installs/modifies Browser Helper Object

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-02 10:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-02 10:12

Reported

2024-05-02 10:15

Platform

win7-20240221-en

Max time kernel

140s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe"

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4AAC4708-FE47-4B80-92EF-47406444DDD2} C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{4AAC4708-FE47-4B80-92EF-47406444DDD2}\ C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\OUIOHBICUII C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A
File created C:\Windows\pwnbho.dll C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A
File opened for modification C:\Windows\pwnbho.dll C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe"

C:\Windows\SysWOW64\regsvr32.exe

"C:\Windows\System32\regsvr32.exe" /s C:\Windows\pwnbho.dll

Network

N/A

Files

memory/3020-0-0x0000000000230000-0x0000000000231000-memory.dmp

C:\Windows\pwnbho.dll

MD5 53e0ffb1579a53134b58b11117801b96
SHA1 4034c16a7fc552a8c302ea9fd537fd52f785f1e1
SHA256 4bce6ee980196f0cc41ef011b25202996e7e96331a1324ea24cd50b837512974
SHA512 de695608007630d3b7c10bdceb41b989218e1af5555c443faf6ebc8671367931118d1dac08ce37e6a074dac284fe15d908047cc1249888211c5d6b024bc126bf

memory/3020-7-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/3020-9-0x0000000000230000-0x0000000000231000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-02 10:12

Reported

2024-05-02 10:15

Platform

win10v2004-20240426-en

Max time kernel

140s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4AAC4708-FE47-4B80-92EF-47406444DDD2} C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4AAC4708-FE47-4B80-92EF-47406444DDD2}\ C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\GBOBNNMLCLH C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A
File created C:\Windows\pwnbho.dll C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A
File opened for modification C:\Windows\pwnbho.dll C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0e36ab722b5a57e1d2190c5826c17915_JaffaCakes118.exe"

C:\Windows\SysWOW64\regsvr32.exe

"C:\Windows\System32\regsvr32.exe" /s C:\Windows\pwnbho.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.57:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.61.62.23.in-addr.arpa udp
NL 23.62.61.57:443 www.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/884-3-0x0000000000780000-0x0000000000781000-memory.dmp

C:\Windows\GBOBNNMLCLH

MD5 53e0ffb1579a53134b58b11117801b96
SHA1 4034c16a7fc552a8c302ea9fd537fd52f785f1e1
SHA256 4bce6ee980196f0cc41ef011b25202996e7e96331a1324ea24cd50b837512974
SHA512 de695608007630d3b7c10bdceb41b989218e1af5555c443faf6ebc8671367931118d1dac08ce37e6a074dac284fe15d908047cc1249888211c5d6b024bc126bf

memory/884-8-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/884-10-0x0000000000780000-0x0000000000781000-memory.dmp