Malware Analysis Report

2025-01-02 02:49

Sample ID 241128-j3b41s1nez
Target 4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe
SHA256 4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36
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

4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36

Threat Level: Known bad

The file 4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Loads dropped DLL

Deletes itself

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Runs ping.exe

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-28 08:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-28 08:11

Reported

2024-11-28 08:13

Platform

win7-20241010-en

Max time kernel

111s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2580 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2580 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2580 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2580 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2580 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Windows\SysWOW64\cmd.exe
PID 2580 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Windows\SysWOW64\cmd.exe
PID 2580 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Windows\SysWOW64\cmd.exe
PID 2580 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Windows\SysWOW64\cmd.exe
PID 2780 wrote to memory of 2676 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2780 wrote to memory of 2676 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2780 wrote to memory of 2676 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2780 wrote to memory of 2676 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe

"C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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/2580-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 000b11b5ac9c05424336bf53658e71cf
SHA1 41004db486f24ca79e6885cd04f063906dc984e1
SHA256 5b6b914928c22ffa0c73534426e18fca4c9e83c265681e607b8279e6697dbf6f
SHA512 008656983aa885844138736d14e6417243d21772c8a064347d6c48bf5f25f8ebf317f49669a8df30f19c80b615b4837f86cff4141a4c9fef924a661d2e4cfe3a

memory/2344-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2580-9-0x00000000001B0000-0x00000000001CA000-memory.dmp

memory/2580-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2580-12-0x00000000001B0000-0x00000000001CA000-memory.dmp

memory/2344-14-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2580-13-0x00000000001B0000-0x00000000001CA000-memory.dmp

memory/2580-22-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2344-28-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-28 08:11

Reported

2024-11-28 08:13

Platform

win10v2004-20241007-en

Max time kernel

113s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe

"C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/2140-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 c29a3117148b8797fb1f5e3687e8910d
SHA1 46a03f7f67666dcf1e65bd68434c89ee6a22bad7
SHA256 8b283dd79bd56635baa2209d79d89ad41fd5c9b42316704827a74ac548156293
SHA512 5cc627a3bd39708ebc041f0c8b054d82fc4b3ae85c19021755eef373642a3f8a17f2c10ec5237dfcbcb8a47fb779b06a8a59e78c0bb5de7e301e7ed8ff1cbc57

memory/2140-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3288-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2140-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3288-15-0x0000000000400000-0x000000000041A000-memory.dmp