Malware Analysis Report

2025-01-02 02:51

Sample ID 241125-eyxgyayjgt
Target d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73
SHA256 d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73
Tags
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

d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73

Threat Level: Known bad

The file d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73 was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula payload

Sakula

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Deletes itself

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-25 04:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-25 04:21

Reported

2024-11-25 04:24

Platform

win7-20241010-en

Max time kernel

145s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2484 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2484 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2484 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2484 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2484 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Windows\SysWOW64\cmd.exe
PID 2484 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Windows\SysWOW64\cmd.exe
PID 2484 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Windows\SysWOW64\cmd.exe
PID 2484 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Windows\SysWOW64\cmd.exe
PID 1564 wrote to memory of 2600 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1564 wrote to memory of 2600 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1564 wrote to memory of 2600 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1564 wrote to memory of 2600 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe

"C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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
TH 184.22.175.13:80 tcp

Files

memory/2484-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 0856ebae128b0574b5f20f48e866d5ee
SHA1 707f17d9146b0dc7c931a45be90c7f413dedf9f3
SHA256 0b1eb9067392b2ba12bb38fe301e3f93005f80f3ccaaf1e54309d5eeddebe030
SHA512 9d2d4c6f50bdd499f90041b23a0a1202fce65b5115f4274b457bfbb5397208a403a938350f958b2459ad6965a238e45a06674a14d4f9180134ff86ea95a02b3f

memory/2484-8-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2484-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2484-11-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2816-13-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2484-19-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2816-25-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-25 04:21

Reported

2024-11-25 04:24

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe

"C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.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
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
TH 184.22.175.13:80 tcp
TH 184.22.175.13:80 tcp

Files

memory/1284-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 8d1670f2b07bffe308d55fddaade5649
SHA1 58ea3b8110df0f52385a917f7a1deab43f97fe19
SHA256 bf171ec727fb2ec8ce0b8e913f8f0241751d3b9f10574ecfbcef42d0831fa432
SHA512 cd6fa1ef20f78966d1b7d7152d76d976b1c73a8579f9dd8e891aca12ff54617b839b72cda2d9132a1a9a96fb2e8cdbf6acba1d6119d1dd16ae28610fdcdbb918

memory/3664-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1284-6-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3664-8-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1284-13-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3664-17-0x0000000000400000-0x000000000041A000-memory.dmp