Malware Analysis Report

2025-04-03 09:54

Sample ID 250225-b3yc9atjx8
Target JaffaCakes118_21d4816721fbd032273aa81064842c04
SHA256 9fdd91cff92bbca0e390e299b0d4c72d2403f952de63e482608dc0a6491dc2cc
Tags
kaiten botnet discovery
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

9fdd91cff92bbca0e390e299b0d4c72d2403f952de63e482608dc0a6491dc2cc

Threat Level: Known bad

The file JaffaCakes118_21d4816721fbd032273aa81064842c04 was found to be: Known bad.

Malicious Activity Summary

kaiten botnet discovery

Detects Kaiten/Tsunami Payload

Detects Kaiten/Tsunami payload

Kaiten family

Kaiten/Tsunami

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-02-25 01:40

Signatures

Detects Kaiten/Tsunami Payload

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

Detects Kaiten/Tsunami payload

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

Kaiten family

kaiten

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-02-25 01:40

Reported

2025-02-25 01:43

Platform

win7-20240903-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21d4816721fbd032273aa81064842c04.exe"

Signatures

Detects Kaiten/Tsunami Payload

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

Detects Kaiten/Tsunami payload

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

Kaiten family

kaiten

Kaiten/Tsunami

botnet kaiten

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21d4816721fbd032273aa81064842c04.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21d4816721fbd032273aa81064842c04.exe"

Network

N/A

Files

memory/1840-0-0x0000000000400000-0x000000000040D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-02-25 01:40

Reported

2025-02-25 01:43

Platform

win10v2004-20250217-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21d4816721fbd032273aa81064842c04.exe"

Signatures

Detects Kaiten/Tsunami Payload

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

Detects Kaiten/Tsunami payload

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

Kaiten family

kaiten

Kaiten/Tsunami

botnet kaiten

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\JaffaCakes118_21d4816721fbd032273aa81064842c04.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21d4816721fbd032273aa81064842c04.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21d4816721fbd032273aa81064842c04.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 150.171.28.10:443 g.bing.com tcp
US 150.171.28.10:443 g.bing.com tcp
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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/3436-0-0x0000000000400000-0x000000000040D000-memory.dmp