Malware Analysis Report

2025-01-03 09:11

Sample ID 240620-m8x58aybnp
Target 0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118
SHA256 0cbc6b33f3ec9e1cd9e21e9d0826b106e99f0204e6ab88f22de229e41da46440
Tags
bootkit 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

0cbc6b33f3ec9e1cd9e21e9d0826b106e99f0204e6ab88f22de229e41da46440

Threat Level: Shows suspicious behavior

The file 0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 11:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 11:08

Reported

2024-06-20 11:11

Platform

win7-20240221-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38} C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\dlloadtime = "1718881727" C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\mac = "6A-55-B5-C6-A6-4E" C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\dlt = "1718881727" C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 loader.51edm.net udp
DE 116.202.118.107:1207 loader.51edm.net tcp

Files

memory/1280-0-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1280-1-0x0000000000250000-0x0000000000280000-memory.dmp

memory/1280-13-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/1280-12-0x00000000003F0000-0x00000000003F1000-memory.dmp

memory/1280-11-0x0000000000850000-0x0000000000851000-memory.dmp

memory/1280-10-0x0000000000860000-0x0000000000861000-memory.dmp

memory/1280-9-0x00000000005E0000-0x00000000005E1000-memory.dmp

memory/1280-8-0x00000000005F0000-0x00000000005F1000-memory.dmp

memory/1280-7-0x0000000000830000-0x0000000000831000-memory.dmp

memory/1280-6-0x0000000000840000-0x0000000000841000-memory.dmp

memory/1280-5-0x0000000000600000-0x0000000000601000-memory.dmp

memory/1280-4-0x0000000000820000-0x0000000000821000-memory.dmp

memory/1280-3-0x0000000000240000-0x0000000000241000-memory.dmp

memory/1280-2-0x0000000000280000-0x0000000000282000-memory.dmp

memory/1280-16-0x00000000005C0000-0x00000000005C1000-memory.dmp

memory/1280-15-0x00000000005D0000-0x00000000005D1000-memory.dmp

memory/1280-17-0x0000000001F50000-0x0000000001F51000-memory.dmp

memory/1280-18-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1280-19-0x0000000000250000-0x0000000000280000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 11:08

Reported

2024-06-20 11:11

Platform

win10v2004-20240611-en

Max time kernel

139s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe"

Signatures

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\mac = "C2-1B-8D-59-DC-13" C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\dlt = "1718881728" C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38} C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\dlloadtime = "1718881728" C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0571a0b06c0f1548bb18b3c360da23ff_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 loader.51edm.net udp
DE 116.202.118.107:1207 loader.51edm.net tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.129:443 www.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 129.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 89.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/3164-0-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3164-1-0x0000000002070000-0x00000000020A0000-memory.dmp

memory/3164-2-0x0000000002060000-0x0000000002062000-memory.dmp

memory/3164-5-0x0000000002320000-0x0000000002321000-memory.dmp

memory/3164-16-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/3164-15-0x00000000022E0000-0x00000000022E1000-memory.dmp

memory/3164-14-0x00000000022B0000-0x00000000022B1000-memory.dmp

memory/3164-13-0x00000000022C0000-0x00000000022C1000-memory.dmp

memory/3164-12-0x0000000002350000-0x0000000002351000-memory.dmp

memory/3164-11-0x0000000002360000-0x0000000002361000-memory.dmp

memory/3164-10-0x00000000022F0000-0x00000000022F1000-memory.dmp

memory/3164-9-0x0000000002300000-0x0000000002301000-memory.dmp

memory/3164-8-0x0000000002330000-0x0000000002331000-memory.dmp

memory/3164-7-0x0000000002340000-0x0000000002341000-memory.dmp

memory/3164-6-0x0000000002310000-0x0000000002311000-memory.dmp

memory/3164-4-0x0000000002050000-0x0000000002051000-memory.dmp

memory/3164-17-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3164-18-0x0000000002070000-0x00000000020A0000-memory.dmp