Malware Analysis Report

2025-06-16 06:37

Sample ID 240825-l7lv5aydpd
Target c082344986acd639f6224e37f1fd88f1_JaffaCakes118
SHA256 1a32374d8c49c3ecfed86c79f761606864f4d8d8a8b4cea6b4fc5676b096ca5c
Tags
upx discovery
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

1a32374d8c49c3ecfed86c79f761606864f4d8d8a8b4cea6b4fc5676b096ca5c

Threat Level: Shows suspicious behavior

The file c082344986acd639f6224e37f1fd88f1_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

Executes dropped EXE

Loads dropped DLL

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 10:10

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-25 10:10

Reported

2024-08-25 10:13

Platform

win7-20240708-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c082344986acd639f6224e37f1fd88f1_JaffaCakes118.exe"

Signatures

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c082344986acd639f6224e37f1fd88f1_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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c082344986acd639f6224e37f1fd88f1_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c082344986acd639f6224e37f1fd88f1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c082344986acd639f6224e37f1fd88f1_JaffaCakes118.exe"

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

"C:\Users\Admin\AppData\Local\Temp\explorer.exe" /X

Network

Country Destination Domain Proto
US 8.8.8.8:53 track.zugo.com udp

Files

memory/1820-0-0x0000000001130000-0x00000000011D3000-memory.dmp

memory/1820-2-0x0000000000080000-0x0000000000081000-memory.dmp

\Users\Admin\AppData\Local\Temp\explorer.exe

MD5 c082344986acd639f6224e37f1fd88f1
SHA1 2730762db4537cbc160561cbcfad969133b5e2e8
SHA256 1a32374d8c49c3ecfed86c79f761606864f4d8d8a8b4cea6b4fc5676b096ca5c
SHA512 4df3773ccff27cda5781ef7bdaf272cb781ae923d7e7440cdfc93080f5b0c634910202703bd9f8d106be8b8ed487010e0562bfb18ac6240b3e41b067a5ae6dad

memory/1820-5-0x0000000002D90000-0x0000000002E33000-memory.dmp

memory/2228-8-0x00000000000F0000-0x00000000000F1000-memory.dmp

memory/2228-9-0x0000000001250000-0x00000000012F3000-memory.dmp

memory/1820-11-0x0000000001130000-0x00000000011D3000-memory.dmp

memory/1820-12-0x0000000002D90000-0x0000000002E33000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 10:10

Reported

2024-08-25 10:13

Platform

win10v2004-20240802-en

Max time kernel

135s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c082344986acd639f6224e37f1fd88f1_JaffaCakes118.exe"

Signatures

Executes dropped EXE

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c082344986acd639f6224e37f1fd88f1_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\explorer.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c082344986acd639f6224e37f1fd88f1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c082344986acd639f6224e37f1fd88f1_JaffaCakes118.exe"

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

"C:\Users\Admin\AppData\Local\Temp\explorer.exe" /X

Network

Country Destination Domain Proto
US 8.8.8.8:53 track.zugo.com udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/2532-0-0x0000000000850000-0x00000000008F3000-memory.dmp

memory/2532-1-0x0000000001A10000-0x0000000001A11000-memory.dmp

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

MD5 c082344986acd639f6224e37f1fd88f1
SHA1 2730762db4537cbc160561cbcfad969133b5e2e8
SHA256 1a32374d8c49c3ecfed86c79f761606864f4d8d8a8b4cea6b4fc5676b096ca5c
SHA512 4df3773ccff27cda5781ef7bdaf272cb781ae923d7e7440cdfc93080f5b0c634910202703bd9f8d106be8b8ed487010e0562bfb18ac6240b3e41b067a5ae6dad

memory/3260-5-0x00000000009F0000-0x0000000000A93000-memory.dmp

memory/3260-7-0x00000000031B0000-0x00000000031B1000-memory.dmp

memory/3260-9-0x00000000009F0000-0x0000000000A93000-memory.dmp

memory/2532-10-0x0000000000850000-0x00000000008F3000-memory.dmp