Malware Analysis Report

2025-01-02 02:51

Sample ID 241123-bp17zszpbn
Target 916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93
SHA256 916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93
Tags
upx sakula discovery persistence rat trojan
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

916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93

Threat Level: Known bad

The file 916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93 was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula payload

Sakula family

Sakula

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Deletes itself

Adds Run key to start application

UPX packed file

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Unsigned PE

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-23 01:19

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-23 01:19

Reported

2024-11-23 01:22

Platform

win7-20240708-en

Max time kernel

141s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

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

Deletes itself

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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

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

Runs ping.exe

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2984 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2984 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2984 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2984 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2984 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Windows\SysWOW64\cmd.exe
PID 2984 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Windows\SysWOW64\cmd.exe
PID 2984 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Windows\SysWOW64\cmd.exe
PID 2984 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Windows\SysWOW64\cmd.exe
PID 2928 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2928 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2928 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2928 wrote to memory of 2712 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe

"C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
TH 184.22.175.13:80 tcp

Files

memory/2984-0-0x0000000000D70000-0x0000000000D8F000-memory.dmp

\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 3eb5d0fcf12d1ddffa67df72f95c873e
SHA1 ed168df8335c2cc9762927f53363d12e60eb43f8
SHA256 a90d7f0b971f4677273166cf3aed0a0d26e072aacf3906d98cefe071f201deba
SHA512 b8f3339f750a1725cfd9fd79aede9943ea9f2a8e2184485977c4096b6f6e7b337adb4e72fd0005c95253b10bf94eec077cb9738ec316cf6b09a4aa41f499d3e2

memory/2984-9-0x00000000000E0000-0x00000000000FF000-memory.dmp

memory/3048-11-0x0000000000FD0000-0x0000000000FEF000-memory.dmp

memory/2984-8-0x00000000000E0000-0x00000000000FF000-memory.dmp

memory/2984-12-0x0000000000D70000-0x0000000000D8F000-memory.dmp

memory/2984-13-0x00000000000E0000-0x00000000000FF000-memory.dmp

memory/3048-15-0x0000000000FD0000-0x0000000000FEF000-memory.dmp

memory/2984-21-0x0000000000D70000-0x0000000000D8F000-memory.dmp

memory/3048-27-0x0000000000FD0000-0x0000000000FEF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-23 01:19

Reported

2024-11-23 01:22

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

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

Runs ping.exe

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe

"C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

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 citrix.vipreclod.com 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 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 162.153.247.72.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
TH 184.22.175.13:80 tcp

Files

memory/4812-0-0x00000000003D0000-0x00000000003EF000-memory.dmp

memory/536-4-0x00000000001A0000-0x00000000001BF000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 69c7abf8c2922e7ba1fad3923089c433
SHA1 72a42a2f4a320e266349b1c4f5595d0c7e31f394
SHA256 274e5b51ecccac53ae51abfbaea1f949d4384a87f36d0ac4efd143d8e99f6bf2
SHA512 adfd251a5869323ebdfd224776f027dce438f04f9e12e2f170bb6cdfe034f95aeade1f9022301cf79bd196f45214e669b930108ea46ceec1f3458ec22633bb3d

memory/4812-6-0x00000000003D0000-0x00000000003EF000-memory.dmp

memory/536-8-0x00000000001A0000-0x00000000001BF000-memory.dmp

memory/4812-13-0x00000000003D0000-0x00000000003EF000-memory.dmp

memory/536-19-0x00000000001A0000-0x00000000001BF000-memory.dmp