Malware Analysis Report

2025-01-02 14:25

Sample ID 241202-tat48swneq
Target b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118
SHA256 b8cedc85248976303949d67cc8a2429acf5f6bef7460699e77c07fe5598079d8
Tags
andromeda backdoor botnet discovery persistence
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

b8cedc85248976303949d67cc8a2429acf5f6bef7460699e77c07fe5598079d8

Threat Level: Known bad

The file b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

Andromeda, Gamarue

Andromeda family

Detects Andromeda payload.

Adds policy Run key to start application

Deletes itself

Maps connected drives based on registry

Drops file in Program Files directory

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 15:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-02 15:51

Reported

2024-12-02 15:54

Platform

win7-20240729-en

Max time kernel

140s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe"

Signatures

Andromeda family

andromeda

Andromeda, Gamarue

botnet backdoor andromeda

Detects Andromeda payload.

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

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Windows\syswow64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\886 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msrzifwox.exe" C:\Windows\syswow64\svchost.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\syswow64\svchost.exe N/A

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\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\msrzifwox.exe C:\Windows\syswow64\svchost.exe N/A

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\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe"

C:\Windows\syswow64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.72.235.82:80 www.update.microsoft.com tcp
US 8.8.4.4:53 sx13.ws udp
US 64.70.19.203:80 sx13.ws tcp
US 8.8.4.4:53 sx13.ws udp
US 64.70.19.203:80 sx13.ws tcp
US 8.8.4.4:53 sx13.ws udp
US 64.70.19.203:80 sx13.ws tcp

Files

memory/2336-0-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2336-1-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2336-2-0x0000000000400000-0x0000000000422000-memory.dmp

memory/2344-4-0x0000000000290000-0x0000000000298000-memory.dmp

memory/2344-5-0x0000000000290000-0x0000000000298000-memory.dmp

memory/2344-7-0x0000000000020000-0x0000000000025000-memory.dmp

memory/2344-11-0x0000000000020000-0x0000000000025000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 15:51

Reported

2024-12-02 15:54

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe"

Signatures

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\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b8fc4a321ff4430b89bb8c11ea91c580_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3492 -ip 3492

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 392

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 160.50.123.104.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/3492-0-0x0000000000600000-0x0000000000601000-memory.dmp