Malware Analysis Report

2024-12-07 22:08

Sample ID 220626-28nn4sgca4
Target 35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56
SHA256 35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56
Tags
sakula persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56

Threat Level: Known bad

The file 35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56 was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula Payload

Sakula family

Sakula

Executes dropped EXE

Checks computer location settings

Deletes itself

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-26 23:15

Signatures

Sakula Payload

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

Sakula family

sakula

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-26 23:15

Reported

2022-06-26 23:48

Platform

win7-20220414-en

Max time kernel

118s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe"

Signatures

Sakula

trojan rat 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

Executes dropped EXE

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe N/A

Enumerates physical storage devices

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\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 112 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 112 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 112 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 112 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 112 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe C:\Windows\SysWOW64\cmd.exe
PID 112 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe C:\Windows\SysWOW64\cmd.exe
PID 112 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe C:\Windows\SysWOW64\cmd.exe
PID 112 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe C:\Windows\SysWOW64\cmd.exe
PID 1160 wrote to memory of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1160 wrote to memory of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1160 wrote to memory of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1160 wrote to memory of 1852 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe

"C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.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\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.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/112-54-0x0000000076191000-0x0000000076193000-memory.dmp

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

MD5 73be026f4e1341a8f8aa769ef685cd8e
SHA1 1562dc811b3bbe849055aaa421466fb939ca1788
SHA256 56ef396b8a7c2c44da6a63c97a49a0d6706bda82862d2ba671f68531450a519a
SHA512 0c78e8ee1451c98104a19a5bee85baf53032df235f7887042ece0ba090d0a28bb2ca8ca862e631c678e4c4120a642ee38bf7c3b44cf5a84bc3385d90312f96c9

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

MD5 73be026f4e1341a8f8aa769ef685cd8e
SHA1 1562dc811b3bbe849055aaa421466fb939ca1788
SHA256 56ef396b8a7c2c44da6a63c97a49a0d6706bda82862d2ba671f68531450a519a
SHA512 0c78e8ee1451c98104a19a5bee85baf53032df235f7887042ece0ba090d0a28bb2ca8ca862e631c678e4c4120a642ee38bf7c3b44cf5a84bc3385d90312f96c9

memory/1888-57-0x0000000000000000-mapping.dmp

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

MD5 73be026f4e1341a8f8aa769ef685cd8e
SHA1 1562dc811b3bbe849055aaa421466fb939ca1788
SHA256 56ef396b8a7c2c44da6a63c97a49a0d6706bda82862d2ba671f68531450a519a
SHA512 0c78e8ee1451c98104a19a5bee85baf53032df235f7887042ece0ba090d0a28bb2ca8ca862e631c678e4c4120a642ee38bf7c3b44cf5a84bc3385d90312f96c9

memory/1160-60-0x0000000000000000-mapping.dmp

memory/1852-61-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-26 23:15

Reported

2022-06-26 23:48

Platform

win10v2004-20220414-en

Max time kernel

122s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe"

Signatures

Sakula

trojan rat sakula

Sakula Payload

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

Executes dropped EXE

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.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\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe N/A

Enumerates physical storage devices

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\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.exe

"C:\Users\Admin\AppData\Local\Temp\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.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\35bb955c30c75a0de8121cb2d184ef700bc7a5344bde5ec2369d51099a816c56.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 citrix.vipreclod.com udp
US 20.42.65.85:443 tcp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.253.208.112:80 tcp
US 8.253.208.112:80 tcp
US 204.79.197.203:80 tcp
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/1840-130-0x0000000000000000-mapping.dmp

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

MD5 5a8efb8401b8247722180f74645edd13
SHA1 80b23e24559221863f3ff3fcf88f33880e54a113
SHA256 563ce4288b438effce706eacb65d4bbcb2b17a4f741c4a483b03c0b7b191d37a
SHA512 5082e35a1e79f519615f0fead8d82d3a061d9796281c354de7efe68a91d1b0729db2487376ec24b2d68f0e404df62589eb64616eb6e73b98d5ce0ec0fad20795

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

MD5 5a8efb8401b8247722180f74645edd13
SHA1 80b23e24559221863f3ff3fcf88f33880e54a113
SHA256 563ce4288b438effce706eacb65d4bbcb2b17a4f741c4a483b03c0b7b191d37a
SHA512 5082e35a1e79f519615f0fead8d82d3a061d9796281c354de7efe68a91d1b0729db2487376ec24b2d68f0e404df62589eb64616eb6e73b98d5ce0ec0fad20795

memory/4288-133-0x0000000000000000-mapping.dmp

memory/4944-134-0x0000000000000000-mapping.dmp