Malware Analysis Report

2024-12-08 00:44

Sample ID 240504-mrcsysbe3w
Target 125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118
SHA256 7eab66adbe74237043473c5d347b368f802944172c4b1b710bfde1631a6253fb
Tags
smokeloader backdoor trojan 1219
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

7eab66adbe74237043473c5d347b368f802944172c4b1b710bfde1631a6253fb

Threat Level: Known bad

The file 125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor trojan 1219

SmokeLoader

Maps connected drives based on registry

Program crash

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-04 10:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-04 10:41

Reported

2024-05-04 10:44

Platform

win7-20240215-en

Max time kernel

140s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

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\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe"

Network

N/A

Files

memory/2876-1-0x0000000000610000-0x0000000000710000-memory.dmp

memory/1100-4-0x0000000002670000-0x0000000002685000-memory.dmp

memory/1100-3-0x0000000002690000-0x0000000002691000-memory.dmp

memory/2876-2-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2876-5-0x0000000000400000-0x0000000000443000-memory.dmp

memory/2876-7-0x0000000000610000-0x0000000000710000-memory.dmp

memory/1100-8-0x0000000002670000-0x0000000002685000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-04 10:41

Reported

2024-05-04 10:44

Platform

win10v2004-20240426-en

Max time kernel

136s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

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\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\125cb89c5e17ceedc6d14b932023c68a_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1076 -ip 1076

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 340

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp

Files

memory/1076-1-0x00000000004B0000-0x00000000005B0000-memory.dmp

memory/1076-2-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1076-3-0x0000000000400000-0x0000000000443000-memory.dmp