Malware Analysis Report

2025-03-14 22:32

Sample ID 240406-1tmylacb6x
Target e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118
SHA256 45f0d85fd880bf24e0a28f88b6fa6628bbf8e51eb5965ca57a0a1f5d0be8fae5
Tags
persistence
score
6/10

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
6/10

SHA256

45f0d85fd880bf24e0a28f88b6fa6628bbf8e51eb5965ca57a0a1f5d0be8fae5

Threat Level: Shows suspicious behavior

The file e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Adds Run key to start application

Drops file in Windows directory

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-06 21:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 21:56

Reported

2024-04-06 21:59

Platform

win7-20240221-en

Max time kernel

140s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118 = "C:\\Windows\\msng.exe" C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\msng.exe C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A
File opened for modification C:\Windows\msng.exe C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 paginas.terra.com.br udp
US 208.84.244.116:80 paginas.terra.com.br tcp
US 8.8.8.8:53 downloadsfiles.net udp
US 172.67.180.228:80 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp

Files

memory/2984-0-0x00000000003A0000-0x00000000003A1000-memory.dmp

memory/2984-2-0x0000000000400000-0x000000000047B000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\MPR7YYBV\fotos[1].txt

MD5 fda44910deb1a460be4ac5d56d61d837
SHA1 f6d0c643351580307b2eaa6a7560e76965496bc7
SHA256 933b971c6388d594a23fa1559825db5bec8ade2db1240aa8fc9d0c684949e8c9
SHA512 57dda9aa7c29f960cd7948a4e4567844d3289fa729e9e388e7f4edcbdf16bf6a94536598b4f9ff8942849f1f96bd3c00bc24a75e748a36fbf2a145f63bf904c1

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 21:56

Reported

2024-04-06 21:59

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118 = "C:\\Windows\\msng.exe" C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\msng.exe C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A
File opened for modification C:\Windows\msng.exe C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e3600cdb71f3db0c3fef8918b68a33f5_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1764 -ip 1764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1764 -s 216

Network

Country Destination Domain Proto
US 8.8.8.8:53 paginas.terra.com.br udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 208.84.244.116:80 paginas.terra.com.br tcp
US 8.8.8.8:53 116.244.84.208.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 downloadsfiles.net udp
US 172.67.180.228:80 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 8.8.8.8:53 228.180.67.172.in-addr.arpa udp
US 8.8.8.8:53 99.18.217.172.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 172.67.180.228:443 downloadsfiles.net tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 172.67.180.228:443 downloadsfiles.net tcp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

memory/1764-0-0x0000000002210000-0x0000000002211000-memory.dmp

memory/1764-2-0x0000000000400000-0x000000000047B000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UUFWLFGT\fotos[1].txt

MD5 fda44910deb1a460be4ac5d56d61d837
SHA1 f6d0c643351580307b2eaa6a7560e76965496bc7
SHA256 933b971c6388d594a23fa1559825db5bec8ade2db1240aa8fc9d0c684949e8c9
SHA512 57dda9aa7c29f960cd7948a4e4567844d3289fa729e9e388e7f4edcbdf16bf6a94536598b4f9ff8942849f1f96bd3c00bc24a75e748a36fbf2a145f63bf904c1