Malware Analysis Report

2025-01-02 14:25

Sample ID 241127-rly68awrcz
Target dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe
SHA256 dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ec
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

dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ec

Threat Level: Known bad

The file dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

Detects Andromeda payload.

Andromeda, Gamarue

Andromeda family

Adds policy Run key to start application

Deletes itself

Maps connected drives based on registry

Drops file in Program Files directory

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

2024-11-27 14:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-27 14:17

Reported

2024-11-27 14:19

Platform

win7-20240903-en

Max time kernel

111s

Max time network

70s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.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\54581 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msybchh.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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum C:\Users\Admin\AppData\Local\Temp\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\msybchh.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\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.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\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe

"C:\Users\Admin\AppData\Local\Temp\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.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 xdqzpbcgrvkj.ru udp
FR 217.70.184.38:80 xdqzpbcgrvkj.ru tcp
US 8.8.4.4:53 anam0rph.su udp
SG 18.141.10.107:80 anam0rph.su tcp
US 8.8.4.4:53 orzdwjtvmein.in udp
IE 18.203.171.243:80 orzdwjtvmein.in tcp
US 8.8.4.4:53 ygiudewsqhct.in udp
US 44.221.84.105:80 ygiudewsqhct.in tcp
US 8.8.4.4:53 bdcrqgonzmwuehky.nl udp
GB 176.58.104.168:80 bdcrqgonzmwuehky.nl tcp
US 8.8.4.4:53 somicrososoft.ru udp
US 44.221.84.105:80 somicrososoft.ru tcp
US 8.8.4.4:53 xdqzpbcgrvkj.ru udp
FR 217.70.184.38:80 xdqzpbcgrvkj.ru tcp
US 8.8.4.4:53 anam0rph.su udp
SG 18.141.10.107:80 anam0rph.su tcp
US 8.8.4.4:53 orzdwjtvmein.in udp
IE 18.203.171.243:80 orzdwjtvmein.in tcp
US 8.8.4.4:53 ygiudewsqhct.in udp
US 44.221.84.105:80 ygiudewsqhct.in tcp
US 8.8.4.4:53 bdcrqgonzmwuehky.nl udp
GB 176.58.104.168:80 bdcrqgonzmwuehky.nl tcp
US 8.8.4.4:53 somicrososoft.ru udp
US 44.221.84.105:80 somicrososoft.ru tcp

Files

memory/2128-0-0x0000000000408000-0x000000000040D000-memory.dmp

memory/2128-1-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2128-2-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2128-3-0x0000000000400000-0x0000000000416000-memory.dmp

memory/2128-5-0x0000000000408000-0x000000000040D000-memory.dmp

memory/2708-7-0x0000000000840000-0x0000000000848000-memory.dmp

memory/2708-6-0x0000000000840000-0x0000000000848000-memory.dmp

memory/2708-9-0x0000000000020000-0x0000000000025000-memory.dmp

memory/2708-13-0x0000000000020000-0x0000000000025000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-27 14:17

Reported

2024-11-27 14:19

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.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
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\10332 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msycyveu.scr" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 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\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\msycyveu.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\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.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\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe

"C:\Users\Admin\AppData\Local\Temp\dcbe20b26be818c4dd17cfcc9f77b141335922ce83015ba325bc568a0f5f04ecN.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.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 xdqzpbcgrvkj.ru udp
FR 217.70.184.38:80 xdqzpbcgrvkj.ru tcp
US 8.8.4.4:53 anam0rph.su udp
SG 18.141.10.107:80 anam0rph.su tcp
US 8.8.8.8:53 108.209.109.20.in-addr.arpa udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 38.184.70.217.in-addr.arpa udp
US 8.8.4.4:53 orzdwjtvmein.in udp
IE 18.203.171.243:80 orzdwjtvmein.in tcp
US 8.8.4.4:53 ygiudewsqhct.in udp
US 44.221.84.105:80 ygiudewsqhct.in tcp
US 8.8.8.8:53 107.10.141.18.in-addr.arpa udp
US 8.8.4.4:53 bdcrqgonzmwuehky.nl udp
GB 176.58.104.168:80 bdcrqgonzmwuehky.nl tcp
US 8.8.4.4:53 somicrososoft.ru udp
US 44.221.84.105:80 somicrososoft.ru tcp
US 8.8.8.8:53 105.84.221.44.in-addr.arpa udp
US 8.8.8.8:53 243.171.203.18.in-addr.arpa udp
US 8.8.8.8:53 168.104.58.176.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.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 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.4.4:53 xdqzpbcgrvkj.ru udp
FR 217.70.184.38:80 xdqzpbcgrvkj.ru tcp
US 8.8.4.4:53 anam0rph.su udp
SG 18.141.10.107:80 anam0rph.su tcp
US 8.8.4.4:53 orzdwjtvmein.in udp
IE 18.203.171.243:80 orzdwjtvmein.in tcp
US 8.8.4.4:53 ygiudewsqhct.in udp
US 44.221.84.105:80 ygiudewsqhct.in tcp
US 8.8.4.4:53 bdcrqgonzmwuehky.nl udp
GB 176.58.104.168:80 bdcrqgonzmwuehky.nl tcp
US 8.8.4.4:53 somicrososoft.ru udp
US 44.221.84.105:80 somicrososoft.ru tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/760-0-0x0000000000408000-0x000000000040D000-memory.dmp

memory/760-1-0x0000000000400000-0x0000000000416000-memory.dmp

memory/760-2-0x0000000000400000-0x0000000000416000-memory.dmp

memory/760-3-0x0000000000400000-0x0000000000416000-memory.dmp

memory/4848-4-0x0000000000870000-0x000000000087E000-memory.dmp

memory/4848-8-0x0000000000870000-0x000000000087E000-memory.dmp

memory/760-6-0x0000000000408000-0x000000000040D000-memory.dmp

memory/4848-10-0x0000000000FB0000-0x0000000000FB5000-memory.dmp

memory/4848-14-0x0000000000FB0000-0x0000000000FB5000-memory.dmp