Malware Analysis Report

2024-11-15 08:30

Sample ID 240406-1eennscc75
Target e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118
SHA256 fedefcfd77d1bf5826b7a94d92481c93a35d19db2d24aa61406954a4b61f7b9e
Tags
agilenet evasion themida trojan
score
9/10

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
9/10

SHA256

fedefcfd77d1bf5826b7a94d92481c93a35d19db2d24aa61406954a4b61f7b9e

Threat Level: Likely malicious

The file e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

agilenet evasion themida trojan

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Themida packer

Checks BIOS information in registry

Obfuscated with Agile.Net obfuscator

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-06 21:33

Signatures

Themida packer

themida
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

2024-04-06 21:33

Reported

2024-04-06 21:36

Platform

win7-20240221-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A

Obfuscated with Agile.Net obfuscator

agilenet
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

Themida packer

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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 956

Network

N/A

Files

memory/2512-0-0x00000000010C0000-0x0000000001C28000-memory.dmp

memory/2512-1-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-3-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-4-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-2-0x0000000076670000-0x00000000766B7000-memory.dmp

memory/2512-6-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-7-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-5-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-8-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-9-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-11-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-12-0x0000000076670000-0x00000000766B7000-memory.dmp

memory/2512-14-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-10-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-16-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-18-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-21-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-23-0x00000000775B0000-0x00000000775B2000-memory.dmp

memory/2512-22-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-20-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-24-0x00000000745C0000-0x0000000074CAE000-memory.dmp

memory/2512-25-0x00000000010C0000-0x0000000001C28000-memory.dmp

memory/2512-26-0x00000000056A0000-0x00000000056E0000-memory.dmp

memory/2512-28-0x00000000003C0000-0x00000000003E0000-memory.dmp

memory/2512-27-0x0000000005F50000-0x0000000006322000-memory.dmp

memory/2512-29-0x0000000000F10000-0x0000000000F30000-memory.dmp

memory/2512-30-0x0000000000540000-0x000000000054E000-memory.dmp

memory/2512-31-0x00000000051E0000-0x000000000524E000-memory.dmp

memory/2512-32-0x0000000007450000-0x000000000759A000-memory.dmp

memory/2512-34-0x0000000005370000-0x00000000053A0000-memory.dmp

memory/2512-33-0x00000000079B0000-0x0000000007AC6000-memory.dmp

memory/2512-36-0x00000000010C0000-0x0000000001C28000-memory.dmp

memory/2512-37-0x0000000076670000-0x00000000766B7000-memory.dmp

memory/2512-38-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-39-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-40-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-41-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-42-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-43-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-45-0x0000000076CA0000-0x0000000076DB0000-memory.dmp

memory/2512-46-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 21:33

Reported

2024-04-06 21:36

Platform

win10v2004-20231215-en

Max time kernel

92s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A

Obfuscated with Agile.Net obfuscator

agilenet
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

Themida packer

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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e35575598dc806a16ca43a2e565bbd3d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2344 -ip 2344

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 1460

Network

Country Destination Domain Proto
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 159.113.220.23.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/2344-0-0x0000000000890000-0x00000000013F8000-memory.dmp

memory/2344-1-0x0000000076B80000-0x0000000076C70000-memory.dmp

memory/2344-2-0x0000000076B80000-0x0000000076C70000-memory.dmp

memory/2344-3-0x00000000778C2000-0x00000000778C3000-memory.dmp

memory/2344-4-0x0000000076B80000-0x0000000076C70000-memory.dmp

memory/2344-5-0x00000000778C4000-0x00000000778C6000-memory.dmp

memory/2344-9-0x0000000000890000-0x00000000013F8000-memory.dmp

memory/2344-10-0x0000000005970000-0x0000000005A0C000-memory.dmp

memory/2344-11-0x0000000006090000-0x0000000006634000-memory.dmp

memory/2344-12-0x0000000005A10000-0x0000000005AA2000-memory.dmp

memory/2344-14-0x0000000005C60000-0x0000000005CB6000-memory.dmp

memory/2344-13-0x0000000005940000-0x000000000594A000-memory.dmp

memory/2344-15-0x0000000006640000-0x0000000006A12000-memory.dmp

memory/2344-16-0x0000000005AB0000-0x0000000005AD0000-memory.dmp

memory/2344-17-0x0000000005FF0000-0x0000000006010000-memory.dmp

memory/2344-18-0x0000000005C40000-0x0000000005C4E000-memory.dmp

memory/2344-19-0x0000000006020000-0x000000000608E000-memory.dmp

memory/2344-20-0x0000000007B50000-0x0000000007C9A000-memory.dmp

memory/2344-21-0x0000000008F50000-0x0000000009066000-memory.dmp

memory/2344-22-0x0000000009070000-0x00000000090A0000-memory.dmp

memory/2344-25-0x0000000076B80000-0x0000000076C70000-memory.dmp

memory/2344-24-0x0000000000890000-0x00000000013F8000-memory.dmp