Malware Analysis Report

2025-03-15 05:48

Sample ID 240623-3taz5sydph
Target 0497c5de0c83cd16c087a87d103eae58_JaffaCakes118
SHA256 91c245efcde921b561a81d10824d6a664077690a812840cfc8cd6dd3ecb5380b
Tags
aspackv2
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

91c245efcde921b561a81d10824d6a664077690a812840cfc8cd6dd3ecb5380b

Threat Level: Shows suspicious behavior

The file 0497c5de0c83cd16c087a87d103eae58_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Modifies Internet Explorer settings

Modifies registry class

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-23 23:47

Signatures

ASPack v2.12-2.42

aspackv2
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-23 23:47

Reported

2024-06-23 23:50

Platform

win7-20240508-en

Max time kernel

140s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe"

Signatures

Drops file in System32 directory

Description Indicator Process Target
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347565\23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\opfilejlA C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\syys7.1.6.3.syw C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347565\sx23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\opfileOneA C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347565\lk23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347565\fj23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\opfileOneA C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347565\fj23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347565\sx23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\ywsfiletmp.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\ywsinid.files\25.bmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347565\23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\filebak C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\filebak C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347565\yadviser.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347565\lk23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\ÓÑÒæÎÄÊé.exe C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\ÓÑÒæÎÄÊé.exe C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\opfilejlA C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347565\mu23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347565\mu23552347565.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\PowerPoint.Show.8\EditFlags = "65536" C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Word.Document.8 C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Word.Document.8\EditFlags = "65536" C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Excel.Sheet.8\EditFlags = "65536" C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.5ucom.com udp
CN 117.78.37.232:80 www.5ucom.com tcp

Files

memory/2416-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2416-69-0x0000000000400000-0x00000000005A9000-memory.dmp

memory/2416-94-0x0000000000220000-0x0000000000221000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 23:47

Reported

2024-06-23 23:50

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe"

Signatures

Drops file in System32 directory

Description Indicator Process Target
File created \??\c:\windows\SysWOW64\yytmp1\23552347999\fj23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347999\mu23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347999\sx23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\ywsinid.files\25.bmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347999\sx23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\opfileOneA C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347999\fj23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\filebak C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\syys7.1.6.3.syw C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347999\mu23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347999\23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347999\lk23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\opfileOneA C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\ÓÑÒæÎÄÊé.exe C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\ywsfiletmp.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\opfilejlA C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347999\23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\yytmp1\23552347999\lk23552347999.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\ÓÑÒæÎÄÊé.exe C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\23552347999\yadviser.tmp C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File created \??\c:\windows\SysWOW64\yytmp1\filebak C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
File opened for modification \??\c:\windows\SysWOW64\opfilejlA C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ywsfile C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Word.Document.8 C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Word.Document.8\EditFlags = "65536" C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Excel.Sheet.8\EditFlags = "65536" C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\PowerPoint.Show.8\EditFlags = "65536" C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0497c5de0c83cd16c087a87d103eae58_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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 2.17.107.105:443 www.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 www.5ucom.com udp
CN 117.78.37.232:80 www.5ucom.com tcp
US 8.8.8.8:53 105.107.17.2.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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/1880-0-0x0000000002340000-0x0000000002341000-memory.dmp

memory/1880-69-0x0000000000400000-0x00000000005A9000-memory.dmp

memory/1880-78-0x0000000002340000-0x0000000002341000-memory.dmp