Malware Analysis Report

2025-05-05 23:35

Sample ID 241204-qfth4s1pfn
Target 531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe
SHA256 531f6cb76127ead379d0315a7ef1a3fc61d8fff1582aa6e4f77cc73259b3e1f2
Tags
netdooka discovery execution loader persistence rat
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

531f6cb76127ead379d0315a7ef1a3fc61d8fff1582aa6e4f77cc73259b3e1f2

Threat Level: Known bad

The file 531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe was found to be: Known bad.

Malicious Activity Summary

netdooka discovery execution loader persistence rat

NetDooka

Netdooka family

Creates new service(s)

Executes dropped EXE

Checks for any installed AV software in registry

Drops file in Program Files directory

Launches sc.exe

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Enumerates physical storage devices

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-04 13:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-04 13:12

Reported

2024-12-04 13:14

Platform

win7-20240729-en

Max time kernel

52s

Max time network

62s

Command Line

"C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe"

Signatures

NetDooka

loader rat netdooka

Netdooka family

netdooka

Creates new service(s)

persistence execution

Checks for any installed AV software in registry

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Avira C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe N/A
Key opened \REGISTRY\MACHINE\Software\Wow6432Node\Avira C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe C:\Windows\SysWOW64\cmd.exe N/A
File opened for modification C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe C:\Windows\SysWOW64\cmd.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A
N/A N/A C:\Windows\system32\ping.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\system32\ping.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1856 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe C:\Windows\system32\ping.exe
PID 1856 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe C:\Windows\system32\ping.exe
PID 1856 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe C:\Windows\system32\ping.exe
PID 1856 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe
PID 1856 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe
PID 1856 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe
PID 1856 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe
PID 2764 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\PING.EXE
PID 2764 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\PING.EXE
PID 2764 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\PING.EXE
PID 2764 wrote to memory of 1044 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\PING.EXE
PID 2764 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\cmd.exe
PID 2764 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\cmd.exe
PID 2764 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\cmd.exe
PID 2764 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\cmd.exe
PID 2764 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\sc.exe
PID 2764 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\sc.exe
PID 2764 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\sc.exe
PID 2764 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\sc.exe
PID 2764 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\sc.exe
PID 2764 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\sc.exe
PID 2764 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\sc.exe
PID 2764 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe C:\Windows\SysWOW64\sc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe

"C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe"

C:\Windows\system32\ping.exe

"ping.exe" 5.4.3.1

C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe

"C:\Users\Admin\AppData\Local\Temp\\interlock_storage_8_57.exe"

C:\Windows\SysWOW64\PING.EXE

"C:\Windows\System32\PING.EXE" 22.61.56.108 -n 4

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe" "C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe"

C:\Windows\SysWOW64\sc.exe

"C:\Windows\System32\sc.exe" create SecureElementDataSrv binpath= "C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe delected"

C:\Windows\SysWOW64\sc.exe

"C:\Windows\System32\sc.exe" start SecureElementDataSrv

C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe

"C:\Program Files (x86)\ExMultimediaStorage\min_id_resolver.exe" delected

Network

Country Destination Domain Proto
NL 93.115.21.45:80 tcp

Files

memory/1856-0-0x000007FEF66CE000-0x000007FEF66CF000-memory.dmp

memory/1856-1-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/1856-2-0x000007FEF66CE000-0x000007FEF66CF000-memory.dmp

memory/1856-3-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe

MD5 4f6d5d0ba1aa54880f1bcce5ed4858a4
SHA1 06d7f2150ebe20a6c3a0e65a46459b5fe2e9ceb2
SHA256 1cc21e3bbfc910ff2ceb8e63641582bdcca3e479029aa425c55aa346830c6c72
SHA512 fa78f6a16ded41d10bf5a09bfc849452b21e9f0b9d9fe29e9162811aae5912264bf117f30cf2dfd443fa073b925e999ba484ecb6f38b7d8a0f05d839ee40792f

memory/1856-11-0x000007FEF6410000-0x000007FEF6DAD000-memory.dmp

memory/2764-12-0x00000000749EE000-0x00000000749EF000-memory.dmp

memory/2764-13-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

memory/2764-14-0x00000000749EE000-0x00000000749EF000-memory.dmp

memory/1440-19-0x0000000001150000-0x0000000001160000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-04 13:12

Reported

2024-12-04 13:15

Platform

win10v2004-20241007-en

Max time kernel

98s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe"

Signatures

NetDooka

loader rat netdooka

Netdooka family

netdooka

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.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\interlock_storage_8_57.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\ping.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\ping.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe

"C:\Users\Admin\AppData\Local\Temp\531F6CB76127EAD379D0315A7EF1A3FC61D8FFF1582AA6E4F77CC73259B3E1F2.exe"

C:\Windows\SYSTEM32\ping.exe

"ping.exe" 5.4.3.1

C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe

"C:\Users\Admin\AppData\Local\Temp\\interlock_storage_8_57.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2628 -ip 2628

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 832

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/4856-0-0x00007FFA742D5000-0x00007FFA742D6000-memory.dmp

memory/4856-1-0x00007FFA74020000-0x00007FFA749C1000-memory.dmp

memory/4856-2-0x00007FFA74020000-0x00007FFA749C1000-memory.dmp

memory/4856-3-0x00007FFA742D5000-0x00007FFA742D6000-memory.dmp

memory/4856-4-0x00007FFA74020000-0x00007FFA749C1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\interlock_storage_8_57.exe

MD5 4f6d5d0ba1aa54880f1bcce5ed4858a4
SHA1 06d7f2150ebe20a6c3a0e65a46459b5fe2e9ceb2
SHA256 1cc21e3bbfc910ff2ceb8e63641582bdcca3e479029aa425c55aa346830c6c72
SHA512 fa78f6a16ded41d10bf5a09bfc849452b21e9f0b9d9fe29e9162811aae5912264bf117f30cf2dfd443fa073b925e999ba484ecb6f38b7d8a0f05d839ee40792f

memory/4856-10-0x00007FFA74020000-0x00007FFA749C1000-memory.dmp

memory/2628-11-0x000000007514E000-0x000000007514F000-memory.dmp

memory/2628-12-0x0000000000DE0000-0x0000000000DF0000-memory.dmp

memory/2628-13-0x00000000056C0000-0x00000000056E2000-memory.dmp