Malware Analysis Report

2025-01-02 14:39

Sample ID 240912-rqdq3sydpq
Target dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118
SHA256 3858849b9ddf1d2316e52c2ee987391266d9684488c1ef7c299e84c849434ab4
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

3858849b9ddf1d2316e52c2ee987391266d9684488c1ef7c299e84c849434ab4

Threat Level: Known bad

The file dc68f99e82a41a0a6575c952b1ee4f04_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

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-12 14:23

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-12 14:23

Reported

2024-09-12 14:26

Platform

win7-20240903-en

Max time kernel

140s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dc68f99e82a41a0a6575c952b1ee4f04_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\45459 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mswaye.cmd" 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\dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\mswaye.cmd 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\dc68f99e82a41a0a6575c952b1ee4f04_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\dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\dc68f99e82a41a0a6575c952b1ee4f04_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 dewfw.ru udp
US 8.8.8.8:53 dewfw.ru udp
US 8.8.4.4:53 dewfw.ru udp
US 8.8.4.4:53 dewfw.ru udp

Files

memory/2552-3-0x0000000000300000-0x0000000000302000-memory.dmp

memory/2552-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2552-1-0x0000000000250000-0x0000000000266000-memory.dmp

memory/2552-0-0x0000000000240000-0x0000000000245000-memory.dmp

memory/1904-5-0x0000000000E90000-0x0000000000E98000-memory.dmp

memory/1904-6-0x0000000000E90000-0x0000000000E98000-memory.dmp

memory/1904-8-0x0000000000020000-0x0000000000025000-memory.dmp

memory/1904-12-0x0000000000020000-0x0000000000025000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-12 14:23

Reported

2024-09-12 14:26

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dc68f99e82a41a0a6575c952b1ee4f04_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\57045 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msyeuaeu.scr" 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\dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\msyeuaeu.scr 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\dc68f99e82a41a0a6575c952b1ee4f04_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\dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\dc68f99e82a41a0a6575c952b1ee4f04_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\syswow64\svchost.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4352,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=3952 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.109.209.108:80 www.update.microsoft.com tcp
US 8.8.4.4:53 dewfw.ru udp
US 8.8.8.8:53 dewfw.ru udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 108.209.109.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.4.4:53 dewfw.ru udp
US 8.8.8.8:53 dewfw.ru udp
US 8.8.8.8:53 4.73.50.20.in-addr.arpa udp
US 8.8.4.4:53 dewfw.ru udp
US 8.8.8.8:53 dewfw.ru udp

Files

memory/4632-1-0x00000000021A0000-0x00000000021B6000-memory.dmp

memory/4632-3-0x0000000000410000-0x0000000000412000-memory.dmp

memory/4632-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/4632-0-0x0000000002190000-0x0000000002195000-memory.dmp

memory/464-7-0x00000000002C0000-0x00000000002CE000-memory.dmp

memory/4632-8-0x0000000002190000-0x0000000002195000-memory.dmp

memory/464-5-0x00000000002C0000-0x00000000002CE000-memory.dmp

memory/464-10-0x0000000000FF0000-0x0000000000FF5000-memory.dmp

memory/464-14-0x0000000000FF0000-0x0000000000FF5000-memory.dmp