Malware Analysis Report

2025-01-02 10:54

Sample ID 241020-cew1ystgrq
Target 5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118
SHA256 1cf8c066ec3f0b9d53133260f2e9ae697d5fa1c1edf0e4ed0811600c6febde6d
Tags
smokeloader pub1 backdoor discovery trojan
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

1cf8c066ec3f0b9d53133260f2e9ae697d5fa1c1edf0e4ed0811600c6febde6d

Threat Level: Known bad

The file 5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor discovery trojan

SmokeLoader

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-20 01:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-20 01:59

Reported

2024-10-20 02:02

Platform

win7-20241010-en

Max time kernel

13s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

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\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 136

Network

N/A

Files

memory/2448-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2448-1-0x00000000009C0000-0x0000000000AC0000-memory.dmp

memory/2448-3-0x0000000000400000-0x0000000000905000-memory.dmp

memory/2448-4-0x0000000000400000-0x0000000000905000-memory.dmp

memory/2448-5-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-20 01:59

Reported

2024-10-20 02:02

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

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\5fd296cae61d3b9e36c8bb75a8776d3b_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\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5fd296cae61d3b9e36c8bb75a8776d3b_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2364 -ip 2364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2364-1-0x0000000000C20000-0x0000000000D20000-memory.dmp

memory/2364-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/2364-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2364-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2364-5-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/2364-4-0x0000000000400000-0x0000000000905000-memory.dmp