Malware Analysis Report

2024-10-10 12:04

Sample ID 240613-r5m83atbjh
Target a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118
SHA256 140cee51ee7d442fd3ee5d97b5c020a8a6ad82f3e22af6a6a921ea031cf9e956
Tags
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

140cee51ee7d442fd3ee5d97b5c020a8a6ad82f3e22af6a6a921ea031cf9e956

Threat Level: Shows suspicious behavior

The file a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Checks BIOS information in registry

Maps connected drives based on registry

Checks installed software on the system

Program crash

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 14:46

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 14:46

Reported

2024-06-13 14:49

Platform

win7-20231129-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ssl.google-analytics.com udp
US 8.8.8.8:53 api.mymagnofile.com udp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 www.microsoft.com udp
US 8.8.8.8:53 www.microsoft.com udp

Files

memory/2332-0-0x0000000000400000-0x00000000005DD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab906.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarBB9.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/2332-60-0x0000000000400000-0x00000000005DD000-memory.dmp

memory/2332-61-0x0000000000400000-0x00000000005DD000-memory.dmp

memory/2332-62-0x0000000000400000-0x00000000005DD000-memory.dmp

memory/2332-63-0x0000000000400000-0x00000000005DD000-memory.dmp

memory/2332-64-0x0000000000400000-0x00000000005DD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 14:46

Reported

2024-06-13 14:49

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a618506c5748895fed52dfe1ee3bcf1c_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4920 -ip 4920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4920 -ip 4920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 2168

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 2196

Network

Country Destination Domain Proto
US 8.8.8.8:53 ssl.google-analytics.com udp
US 8.8.8.8:53 api.mymagnofile.com udp
US 8.8.8.8:53 ssl.google-analytics.com udp
US 52.111.229.43:443 tcp

Files

memory/4920-0-0x0000000000400000-0x00000000005DD000-memory.dmp

memory/4920-1-0x00000000005BF000-0x00000000005C0000-memory.dmp

memory/4920-2-0x0000000000400000-0x00000000005DD000-memory.dmp

memory/4920-4-0x0000000000400000-0x00000000005DD000-memory.dmp