Malware Analysis Report

2025-01-02 14:38

Sample ID 240920-rsv35s1gkj
Target edc92f43dc4161e13ae5c688588449e0_JaffaCakes118
SHA256 f0d6976a9e32cb95c5161c143f19edf14f159ba35cc0b42903148c5998e13354
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

f0d6976a9e32cb95c5161c143f19edf14f159ba35cc0b42903148c5998e13354

Threat Level: Known bad

The file edc92f43dc4161e13ae5c688588449e0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

Andromeda, Gamarue

Detects Andromeda payload.

Adds policy Run key to start application

Deletes itself

Maps connected drives based on registry

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-20 14:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 14:27

Reported

2024-09-20 14:30

Platform

win7-20240903-en

Max time kernel

140s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe"

Signatures

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\25750 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msimwuxsi.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\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\msimwuxsi.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\edc92f43dc4161e13ae5c688588449e0_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\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\edc92f43dc4161e13ae5c688588449e0_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 20.109.209.108:80 www.update.microsoft.com tcp
US 8.8.4.4:53 www.kodaly.org.au udp
US 190.92.189.227:80 www.kodaly.org.au tcp
US 8.8.4.4:53 www.kodaly.org.au udp
US 190.92.189.227:80 www.kodaly.org.au tcp
US 8.8.4.4:53 www.kodaly.org.au udp
US 190.92.189.227:80 www.kodaly.org.au tcp

Files

memory/2428-1-0x0000000000020000-0x0000000000022000-memory.dmp

memory/2428-0-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2172-2-0x00000000000A0000-0x00000000000A8000-memory.dmp

memory/2172-3-0x00000000000A0000-0x00000000000A8000-memory.dmp

memory/2172-5-0x0000000000020000-0x0000000000025000-memory.dmp

memory/2172-9-0x0000000000020000-0x0000000000025000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 14:27

Reported

2024-09-20 14:30

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe"

Signatures

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\19139 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msvojgmn.com" 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\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\msvojgmn.com 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\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\edc92f43dc4161e13ae5c688588449e0_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 148.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 www.update.microsoft.com udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 20.72.235.82:80 www.update.microsoft.com tcp
US 8.8.4.4:53 www.kodaly.org.au udp
US 190.92.189.227:80 www.kodaly.org.au tcp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 82.235.72.20.in-addr.arpa udp
US 8.8.8.8:53 227.189.92.190.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.4.4:53 www.kodaly.org.au udp
US 190.92.189.227:80 www.kodaly.org.au tcp
US 8.8.4.4:53 www.kodaly.org.au udp
US 190.92.189.227:80 www.kodaly.org.au tcp

Files

memory/1432-0-0x0000000000400000-0x0000000000405000-memory.dmp

memory/1432-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

memory/1640-2-0x0000000000790000-0x000000000079E000-memory.dmp

memory/1640-4-0x0000000000790000-0x000000000079E000-memory.dmp

memory/1640-6-0x0000000000BD0000-0x0000000000BD5000-memory.dmp

memory/1640-10-0x0000000000BD0000-0x0000000000BD5000-memory.dmp