Malware Analysis Report

2025-05-05 22:37

Sample ID 241229-nyfzma1kdp
Target JaffaCakes118_d54579acfb0e2fb0a84793e4606ca68604145561edc3546d1d8f94b56aea4c1b
SHA256 d54579acfb0e2fb0a84793e4606ca68604145561edc3546d1d8f94b56aea4c1b
Tags
agilenet discovery
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

d54579acfb0e2fb0a84793e4606ca68604145561edc3546d1d8f94b56aea4c1b

Threat Level: Shows suspicious behavior

The file JaffaCakes118_d54579acfb0e2fb0a84793e4606ca68604145561edc3546d1d8f94b56aea4c1b was found to be: Shows suspicious behavior.

Malicious Activity Summary

agilenet discovery

Loads dropped DLL

Obfuscated with Agile.Net obfuscator

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-29 11:48

Signatures

Obfuscated with Agile.Net obfuscator

agilenet
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: behavioral2

Detonation Overview

Submitted

2024-12-29 11:48

Reported

2024-12-29 11:51

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

151s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\DLL\IA2Marshal.dll

Signatures

N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\DLL\IA2Marshal.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 156.33.209.4.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-12-29 11:48

Reported

2024-12-29 11:51

Platform

win7-20240903-en

Max time kernel

118s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DLL\freebl3.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DLL\freebl3.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-12-29 11:48

Reported

2024-12-29 11:51

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DLL\freebl3.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DLL\freebl3.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-12-29 11:48

Reported

2024-12-29 11:51

Platform

win7-20240903-en

Max time kernel

121s

Max time network

124s

Command Line

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

Signatures

Loads dropped DLL

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

Obfuscated with Agile.Net obfuscator

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\Installer.exe

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\Installer.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 1248

Network

Country Destination Domain Proto
FR 185.193.89.21:80 tcp

Files

memory/2352-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

memory/2352-1-0x0000000000C80000-0x0000000000CA8000-memory.dmp

\Users\Admin\AppData\Local\Temp\df077ad1-1a58-4579-91f0-e17cef744ccf\Module.dll

MD5 dfbb922abc575559fe4d9d7f2fd0d7b6
SHA1 17794751e3e258067b862a75f07fd62fcfd7a154
SHA256 d2280254594d3e51d2616a960491b65b4f057aea7208a7eef7310c52ee95a6c2
SHA512 a4f2e8f825ad1f291d6448a30ee08eef062d664986d22b7fde818aeceb94d4a052e86e091b3e940ea7707807c1b97190958c3cc17791ae3680de3056c49f2f52

memory/2352-8-0x0000000073DF0000-0x0000000073E70000-memory.dmp

memory/2352-9-0x0000000073FF0000-0x00000000746DE000-memory.dmp

memory/2352-10-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

memory/2352-11-0x0000000073FF0000-0x00000000746DE000-memory.dmp

memory/2352-12-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-12-29 11:48

Reported

2024-12-29 11:51

Platform

win10v2004-20241007-en

Max time kernel

91s

Max time network

155s

Command Line

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

Signatures

Loads dropped DLL

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

Obfuscated with Agile.Net obfuscator

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\Installer.exe

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\Installer.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 540 -ip 540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 1688

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
FR 185.193.89.21:80 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 133.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/540-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

memory/540-1-0x00000000000E0000-0x0000000000108000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\df077ad1-1a58-4579-91f0-e17cef744ccf\Module.dll

MD5 dfbb922abc575559fe4d9d7f2fd0d7b6
SHA1 17794751e3e258067b862a75f07fd62fcfd7a154
SHA256 d2280254594d3e51d2616a960491b65b4f057aea7208a7eef7310c52ee95a6c2
SHA512 a4f2e8f825ad1f291d6448a30ee08eef062d664986d22b7fde818aeceb94d4a052e86e091b3e940ea7707807c1b97190958c3cc17791ae3680de3056c49f2f52

memory/540-9-0x0000000073AD0000-0x0000000073B59000-memory.dmp

memory/540-10-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/540-11-0x00000000750CE000-0x00000000750CF000-memory.dmp

memory/540-12-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/540-13-0x00000000750C0000-0x0000000075870000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-29 11:48

Reported

2024-12-29 11:51

Platform

win7-20240903-en

Max time kernel

118s

Max time network

120s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\DLL\IA2Marshal.dll

Signatures

N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\DLL\IA2Marshal.dll

Network

N/A

Files

N/A