Malware Analysis Report

2025-01-02 02:51

Sample ID 241125-e1tttstrbj
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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

Sakula family

Sakula payload

Loads dropped DLL

Deletes itself

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Runs ping.exe

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-25 04:24

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-25 04:24

Reported

2024-11-25 04:27

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

151s

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-1-5-21-1045960512-3948844814-3059691613-1000\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 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 88.210.23.2.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 70.208.201.84.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/3896-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 2e49312eb27085e9c65aa13e2654dbcd
SHA1 b1855400853d076c92428bbc6a9e8e41d79a15da
SHA256 d009d8cd57ea0ad73c6014f2a525fb55b018bb9157e1542da3dd503a54d36675
SHA512 23585d6a0d19c270763c9979482f27b4816de2638599817c89f03996a8204fecd2b4f33b6af663701c3dfee0d9979dc585ce0302a418b14ded4aa2fa20a37731

memory/3896-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/4368-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3896-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/4368-16-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-25 04:24

Reported

2024-11-25 04:27

Platform

win7-20241023-en

Max time kernel

141s

Max time network

120s

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 2100 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2100 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2100 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2100 wrote to memory of 2124 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2100 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Windows\SysWOW64\cmd.exe
PID 2100 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Windows\SysWOW64\cmd.exe
PID 2100 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Windows\SysWOW64\cmd.exe
PID 2100 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\d3d1fe36737a9d3f86eb721aedafe8413cac24d1fe4db0fd24b36b296cadfa73.exe C:\Windows\SysWOW64\cmd.exe
PID 2884 wrote to memory of 2224 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2884 wrote to memory of 2224 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2884 wrote to memory of 2224 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2884 wrote to memory of 2224 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

Files

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

MD5 7cb341f880cba36b5fe9f3db3e4464ce
SHA1 0b23904d61534de38307970b502a533f642d76e1
SHA256 dd53eda86802c99f94105e487297941db4a0cf3bf72c7457053aea3cf2d48b0c
SHA512 fcb9008dbf2fdafa7a89adb14fefa248749c1fd478212b92ad2e869ebad72bb03685e61bbc573a44e7297f86c53dd5c5ad2193aef82575d82c7b022cd7fa08ee

memory/2100-4-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2100-3-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2124-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2100-9-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2124-13-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2100-19-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2124-25-0x0000000000400000-0x000000000041A000-memory.dmp