Malware Analysis Report

2025-01-02 14:44

Sample ID 240818-ammfdaxgjk
Target a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118
SHA256 a9d002ca6fdc16722303c5ffbd3d1e2800f60c4f5f362b92038d9c29afcc53af
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

a9d002ca6fdc16722303c5ffbd3d1e2800f60c4f5f362b92038d9c29afcc53af

Threat Level: Known bad

The file a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

Detects Andromeda payload.

Andromeda, Gamarue

Adds policy Run key to start application

Deletes itself

Maps connected drives based on registry

Suspicious use of SetThreadContext

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-18 00:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-18 00:19

Reported

2024-08-18 00:22

Platform

win7-20240704-en

Max time kernel

144s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_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\23284 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mswyoz.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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\mswyoz.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\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_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\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2824 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 2824 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 2824 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 2824 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 2824 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 2824 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 2824 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 2196 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Windows\syswow64\svchost.exe
PID 2196 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Windows\syswow64\svchost.exe
PID 2196 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Windows\syswow64\svchost.exe
PID 2196 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Windows\syswow64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_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 iloveblogging4ca.com udp
US 184.105.192.2:80 iloveblogging4ca.com tcp
US 8.8.4.4:53 www.limoway.com.au udp
US 8.8.8.8:53 www.limoway.com.au udp
US 8.8.4.4:53 www.westkc.org udp
US 198.185.159.145:80 www.westkc.org tcp
US 8.8.4.4:53 iloveblogging4ca.com udp
US 8.8.8.8:53 iloveblogging4ca.com udp
US 184.105.192.2:80 iloveblogging4ca.com tcp
US 8.8.4.4:53 www.limoway.com.au udp
US 8.8.4.4:53 www.westkc.org udp
US 198.185.159.145:80 www.westkc.org tcp
US 8.8.4.4:53 iloveblogging4ca.com udp
US 184.105.192.2:80 iloveblogging4ca.com tcp
US 8.8.4.4:53 www.limoway.com.au udp
US 8.8.4.4:53 www.westkc.org udp
US 198.185.159.144:80 www.westkc.org tcp

Files

memory/2196-1-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2196-3-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2196-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2196-7-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2824-9-0x0000000000400000-0x0000000000413000-memory.dmp

memory/2824-8-0x00000000002E0000-0x00000000003E0000-memory.dmp

memory/2196-10-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2880-12-0x0000000000BD0000-0x0000000000BD8000-memory.dmp

memory/2880-13-0x0000000000BD0000-0x0000000000BD8000-memory.dmp

memory/2880-15-0x0000000000020000-0x0000000000025000-memory.dmp

memory/2880-19-0x0000000000020000-0x0000000000025000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 00:19

Reported

2024-08-18 00:22

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_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\41138 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msuhzem.bat" 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\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\msuhzem.bat 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\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4528 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 4528 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 4528 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 4528 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 4528 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 4528 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe
PID 2960 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2960 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2960 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a4aaf28c3b5204070beedd8db2823ac8_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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 iloveblogging4ca.com udp
US 184.105.192.2:80 iloveblogging4ca.com tcp
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 8.8.4.4:53 www.limoway.com.au udp
US 8.8.8.8:53 www.limoway.com.au udp
US 8.8.4.4:53 www.westkc.org udp
US 198.185.159.145:80 www.westkc.org tcp
US 8.8.8.8:53 2.192.105.184.in-addr.arpa udp
US 8.8.8.8:53 145.159.185.198.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.4.4:53 iloveblogging4ca.com udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 iloveblogging4ca.com udp
US 184.105.192.2:80 iloveblogging4ca.com tcp
US 8.8.4.4:53 www.limoway.com.au udp
US 8.8.8.8:53 www.limoway.com.au udp
US 8.8.4.4:53 www.westkc.org udp
US 8.8.8.8:53 www.westkc.org udp
US 198.185.159.145:80 www.westkc.org tcp
US 8.8.8.8:53 19.229.111.52.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 8.8.4.4:53 iloveblogging4ca.com udp
US 184.105.192.2:80 iloveblogging4ca.com tcp
US 8.8.4.4:53 www.limoway.com.au udp
US 8.8.8.8:53 www.limoway.com.au udp
US 8.8.4.4:53 www.westkc.org udp
US 198.185.159.145:80 www.westkc.org tcp

Files

memory/2960-1-0x0000000000400000-0x0000000000405000-memory.dmp

memory/4528-3-0x0000000000400000-0x0000000000413000-memory.dmp

memory/2960-4-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2084-6-0x0000000000380000-0x000000000038E000-memory.dmp

memory/2084-8-0x0000000000380000-0x000000000038E000-memory.dmp

memory/2084-10-0x0000000000DD0000-0x0000000000DD5000-memory.dmp

memory/2084-14-0x0000000000DD0000-0x0000000000DD5000-memory.dmp