Malware Analysis Report

2025-03-14 23:43

Sample ID 240407-w1mtysbc38
Target e591794ac8a8dde705c0ca76009423a8_JaffaCakes118
SHA256 d1b8b52a402137388c47a442d9d8949a650038576fdd6b4c25b0d77d05b08f99
Tags
evasion persistence trojan
score
10/10

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
10/10

SHA256

d1b8b52a402137388c47a442d9d8949a650038576fdd6b4c25b0d77d05b08f99

Threat Level: Known bad

The file e591794ac8a8dde705c0ca76009423a8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

evasion persistence trojan

Windows security bypass

Disables taskbar notifications via registry modification

Loads dropped DLL

Windows security modification

Executes dropped EXE

Deletes itself

Adds Run key to start application

Unsigned PE

Program crash

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 18:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 18:23

Reported

2024-04-07 18:25

Platform

win7-20240221-en

Max time kernel

147s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe"

Signatures

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A

Disables taskbar notifications via registry modification

evasion

Deletes itself

Description Indicator Process Target
N/A N/A C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\svc C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Security Center\svc C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Security Center\svc C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\svc C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\043A6AEB00014973000AB27FB4EB2331 = "C:\\ProgramData\\043A6AEB00014973000AB27FB4EB2331\\043A6AEB00014973000AB27FB4EB2331.exe" C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe N/A
N/A N/A C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
N/A N/A C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A
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N/A N/A C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe"

C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe

"C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe" "C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
CN 122.224.18.199:80 tcp
CN 122.224.18.199:80 tcp
CN 122.224.18.199:80 tcp
CN 122.224.18.199:80 tcp

Files

memory/2300-0-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

memory/2300-2-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2300-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2300-4-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2300-5-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2300-7-0x00000000001C0000-0x00000000001C2000-memory.dmp

memory/2300-6-0x0000000000410000-0x00000000004D8000-memory.dmp

C:\ProgramData\043A6AEB00014973000AB27FB4EB2331\043A6AEB00014973000AB27FB4EB2331.exe

MD5 e591794ac8a8dde705c0ca76009423a8
SHA1 222915759d4d972ad6b89c69ec16b9ce608162fe
SHA256 d1b8b52a402137388c47a442d9d8949a650038576fdd6b4c25b0d77d05b08f99
SHA512 fa595b756158831c0c3a83a2c5b0c9052b47af61b58bff83f2805d500300d71d2d614476670dd380cfda875a5726c06f51aaff7504f993b10815ba9dd53fc5a5

memory/2768-16-0x0000000000280000-0x0000000000281000-memory.dmp

memory/2768-18-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2768-21-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2768-22-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2768-23-0x00000000002A0000-0x00000000002A2000-memory.dmp

memory/2300-27-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2768-28-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2300-29-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

memory/2300-36-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2768-39-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2768-40-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2768-41-0x0000000000410000-0x00000000004D8000-memory.dmp

memory/2768-45-0x0000000000410000-0x00000000004D8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 18:23

Reported

2024-04-07 18:25

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e591794ac8a8dde705c0ca76009423a8_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2124 -ip 2124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 372

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 216.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 17.143.109.104.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 241.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

N/A