Malware Analysis Report

2024-10-19 10:47

Sample ID 240620-g37jtaxhjl
Target 039584401fe63d387cab2fd3956a8001_JaffaCakes118
SHA256 bde6bd507c29fa42677c86f436ea8fe67c461053b0c17d4699f574d18e019b1b
Tags
adware stealer upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

bde6bd507c29fa42677c86f436ea8fe67c461053b0c17d4699f574d18e019b1b

Threat Level: Shows suspicious behavior

The file 039584401fe63d387cab2fd3956a8001_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer upx

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

UPX packed file

Installs/modifies Browser Helper Object

Unsigned PE

Modifies registry class

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 06:20

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 06:20

Reported

2024-06-20 06:23

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe"

Signatures

ACProtect 1.3x - 1.4x DLL software

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

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

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{686FFEBF-51EE-4336-96D1-6EA3EE8332BD} C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{686FFEBF-51EE-4336-96D1-6EA3EE8332BD}\InprocServer32\ThreadingModel = "apartment" C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{686FFEBF-51EE-4336-96D1-6EA3EE8332BD}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{686FFEBF-51EE-4336-96D1-6EA3EE8332BD} C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{686FFEBF-51EE-4336-96D1-6EA3EE8332BD}\InprocServer32\ = "C:\\Windows\\SysWow64\\bcastdvr.prox.dll" C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.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 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 17.173.189.20.in-addr.arpa udp

Files

memory/4124-0-0x0000000000400000-0x0000000000426000-memory.dmp

memory/4124-1-0x0000000000401000-0x0000000000402000-memory.dmp

C:\Windows\SysWOW64\bcastdvr.prox.dll

MD5 0ba31432867ff6d8894937742de8a9b4
SHA1 b8625730f74f37ca7f05e53e5a612a0f19775144
SHA256 c048c1f3efdaff60f6fda954fdeb3111b1e9473d1a3ab7e12eda13451b5b626e
SHA512 61b02c15b5d230af192583ade4ec4b231df2d0639a3f6bd69bee4309f5e2a632be2c90c02a5fa99835bbe1d16f35db6623454d463d42c5569c17e2082f96598b

memory/4124-6-0x0000000000400000-0x0000000000426000-memory.dmp

memory/4124-5-0x0000000000590000-0x00000000005D0000-memory.dmp

memory/4124-4-0x0000000000590000-0x00000000005D0000-memory.dmp

memory/4124-7-0x0000000000400000-0x0000000000426000-memory.dmp

memory/4124-9-0x0000000000590000-0x00000000005D0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 06:20

Reported

2024-06-20 06:23

Platform

win7-20240221-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe"

Signatures

ACProtect 1.3x - 1.4x DLL software

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A

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

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B3E1C7D4-6C21-4FA0-83CB-063EA2475572} C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E1C7D4-6C21-4FA0-83CB-063EA2475572}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E1C7D4-6C21-4FA0-83CB-063EA2475572} C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E1C7D4-6C21-4FA0-83CB-063EA2475572}\InprocServer32\ = "C:\\Windows\\SysWow64\\advpac.dll" C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E1C7D4-6C21-4FA0-83CB-063EA2475572}\InprocServer32\ThreadingModel = "apartment" C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\039584401fe63d387cab2fd3956a8001_JaffaCakes118.exe"

Network

N/A

Files

memory/2148-0-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2148-1-0x0000000000401000-0x0000000000402000-memory.dmp

\Windows\SysWOW64\advpac.dll

MD5 0ba31432867ff6d8894937742de8a9b4
SHA1 b8625730f74f37ca7f05e53e5a612a0f19775144
SHA256 c048c1f3efdaff60f6fda954fdeb3111b1e9473d1a3ab7e12eda13451b5b626e
SHA512 61b02c15b5d230af192583ade4ec4b231df2d0639a3f6bd69bee4309f5e2a632be2c90c02a5fa99835bbe1d16f35db6623454d463d42c5569c17e2082f96598b

memory/2148-4-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2148-3-0x0000000000220000-0x0000000000260000-memory.dmp

memory/2148-6-0x0000000000220000-0x0000000000260000-memory.dmp

memory/2148-5-0x0000000000400000-0x0000000000426000-memory.dmp