Malware Analysis Report

2024-10-19 10:47

Sample ID 240620-hjyy1avblb
Target 03c246b611fa401847ea746723589d0e_JaffaCakes118
SHA256 2571801eb3d89e2fdd6e42aa5e3a0bbc3f3d5aa91eb7d0dcb1273df9295a108e
Tags
upx 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

2571801eb3d89e2fdd6e42aa5e3a0bbc3f3d5aa91eb7d0dcb1273df9295a108e

Threat Level: Shows suspicious behavior

The file 03c246b611fa401847ea746723589d0e_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx adware stealer

Loads dropped DLL

UPX packed file

ACProtect 1.3x - 1.4x DLL software

Installs/modifies Browser Helper Object

Unsigned PE

Modifies registry class

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 06:46

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: behavioral1

Detonation Overview

Submitted

2024-06-20 06:46

Reported

2024-06-20 06:49

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_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\03c246b611fa401847ea746723589d0e_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\{2CF42673-D0C6-4B5C-B953-BFFF2657C662} C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CF42673-D0C6-4B5C-B953-BFFF2657C662}\InprocServer32\ThreadingModel = "apartment" C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CF42673-D0C6-4B5C-B953-BFFF2657C662}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CF42673-D0C6-4B5C-B953-BFFF2657C662} C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2CF42673-D0C6-4B5C-B953-BFFF2657C662}\InprocServer32\ = "C:\\Windows\\SysWow64\\aspnet_counter.dll" C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe"

Network

N/A

Files

memory/756-0-0x0000000000400000-0x0000000000423000-memory.dmp

memory/756-1-0x0000000000400000-0x0000000000423000-memory.dmp

\Windows\SysWOW64\aspnet_counter.dll

MD5 f4b7a862f1ba49915c6899ff31e60274
SHA1 7f5be7515f40eebfd5e211c341b121e14ecc85a0
SHA256 d6c6d1b2a88e341ba1640dc82b4fd78455f948565b81139d0cb32a6feacf3b59
SHA512 a8b6077ddaa704454365c2c06fbb5550b9f9e7965f2ba31040ede406ad9b7ea16c3e759630a9e61bcee4f6bcbd95355a51d9fb572d1da6aa3907e8c7c7e04a72

memory/756-6-0x00000000002A0000-0x00000000002DC000-memory.dmp

memory/756-8-0x00000000002A0000-0x00000000002DC000-memory.dmp

memory/756-7-0x0000000000400000-0x0000000000423000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 06:46

Reported

2024-06-20 06:49

Platform

win10v2004-20240611-en

Max time kernel

138s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_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

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{783B7430-EFFA-4611-9E98-293C68401F65} C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{783B7430-EFFA-4611-9E98-293C68401F65}\InprocServer32\ThreadingModel = "apartment" C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{783B7430-EFFA-4611-9E98-293C68401F65}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{783B7430-EFFA-4611-9E98-293C68401F65} C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{783B7430-EFFA-4611-9E98-293C68401F65}\InprocServer32\ = "C:\\Windows\\SysWow64\\AuditPolicyGPIntero.dll" C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03c246b611fa401847ea746723589d0e_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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/992-0-0x0000000000400000-0x0000000000423000-memory.dmp

memory/992-1-0x0000000000400000-0x0000000000423000-memory.dmp

C:\Windows\SysWOW64\AuditPolicyGPIntero.dll

MD5 f4b7a862f1ba49915c6899ff31e60274
SHA1 7f5be7515f40eebfd5e211c341b121e14ecc85a0
SHA256 d6c6d1b2a88e341ba1640dc82b4fd78455f948565b81139d0cb32a6feacf3b59
SHA512 a8b6077ddaa704454365c2c06fbb5550b9f9e7965f2ba31040ede406ad9b7ea16c3e759630a9e61bcee4f6bcbd95355a51d9fb572d1da6aa3907e8c7c7e04a72

memory/992-7-0x00000000001C0000-0x00000000001FC000-memory.dmp

memory/992-10-0x0000000000400000-0x0000000000423000-memory.dmp

memory/992-12-0x00000000001C0000-0x00000000001FC000-memory.dmp