Malware Analysis Report

2024-11-13 18:44

Sample ID 231013-y9qcjsdf35
Target NEAS.7fea47426d14645b7fdf87327f55f300.exe
SHA256 1b50f21b6d6f70b36a2e171f67c2edd72bec16678bcb69856097b8f0b432ca1e
Tags
sakula 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

1b50f21b6d6f70b36a2e171f67c2edd72bec16678bcb69856097b8f0b432ca1e

Threat Level: Known bad

The file NEAS.7fea47426d14645b7fdf87327f55f300.exe was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula payload

Sakula family

Sakula

Loads dropped DLL

Checks computer location settings

Deletes itself

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-13 20:29

Signatures

Sakula family

sakula

Sakula payload

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

2023-10-13 20:29

Reported

2023-10-14 00:56

Platform

win7-20230831-en

Max time kernel

118s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.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
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

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\NEAS.7fea47426d14645b7fdf87327f55f300.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\NEAS.7fea47426d14645b7fdf87327f55f300.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2408 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2408 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2408 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2408 wrote to memory of 1080 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2408 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe C:\Windows\SysWOW64\cmd.exe
PID 2408 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe C:\Windows\SysWOW64\cmd.exe
PID 2408 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe C:\Windows\SysWOW64\cmd.exe
PID 2408 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe C:\Windows\SysWOW64\cmd.exe
PID 2500 wrote to memory of 2984 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2500 wrote to memory of 2984 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2500 wrote to memory of 2984 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2500 wrote to memory of 2984 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.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\NEAS.7fea47426d14645b7fdf87327f55f300.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/2408-0-0x0000000000400000-0x000000000041B000-memory.dmp

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

MD5 5fbf56a88614a5d14e9f572529fe5fd6
SHA1 1e0bf02794aa0a8eb7d10e109ef57e1b8fd81d8f
SHA256 4074b889bbb04a00f720eb921481c4fdd07d3fdbe4a16f67f40fdea94be84047
SHA512 b540de2fa6d0fc7ea891202896bb06ecb519ed8142435d60800f5942daf743bd5cb63393910b91e1afb31696eaa5de04a077781d6f86fc25447f44372749e27f

memory/2408-4-0x00000000002A0000-0x00000000002BB000-memory.dmp

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

MD5 5fbf56a88614a5d14e9f572529fe5fd6
SHA1 1e0bf02794aa0a8eb7d10e109ef57e1b8fd81d8f
SHA256 4074b889bbb04a00f720eb921481c4fdd07d3fdbe4a16f67f40fdea94be84047
SHA512 b540de2fa6d0fc7ea891202896bb06ecb519ed8142435d60800f5942daf743bd5cb63393910b91e1afb31696eaa5de04a077781d6f86fc25447f44372749e27f

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

MD5 5fbf56a88614a5d14e9f572529fe5fd6
SHA1 1e0bf02794aa0a8eb7d10e109ef57e1b8fd81d8f
SHA256 4074b889bbb04a00f720eb921481c4fdd07d3fdbe4a16f67f40fdea94be84047
SHA512 b540de2fa6d0fc7ea891202896bb06ecb519ed8142435d60800f5942daf743bd5cb63393910b91e1afb31696eaa5de04a077781d6f86fc25447f44372749e27f

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

MD5 5fbf56a88614a5d14e9f572529fe5fd6
SHA1 1e0bf02794aa0a8eb7d10e109ef57e1b8fd81d8f
SHA256 4074b889bbb04a00f720eb921481c4fdd07d3fdbe4a16f67f40fdea94be84047
SHA512 b540de2fa6d0fc7ea891202896bb06ecb519ed8142435d60800f5942daf743bd5cb63393910b91e1afb31696eaa5de04a077781d6f86fc25447f44372749e27f

memory/1080-10-0x0000000000400000-0x000000000041B000-memory.dmp

memory/2408-11-0x0000000000400000-0x000000000041B000-memory.dmp

memory/1080-12-0x0000000000400000-0x000000000041B000-memory.dmp

memory/2408-13-0x0000000000400000-0x000000000041B000-memory.dmp

memory/2408-14-0x00000000002A0000-0x00000000002BB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-13 20:29

Reported

2023-10-14 00:55

Platform

win10v2004-20230915-en

Max time kernel

179s

Max time network

185s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.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
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-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.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\NEAS.7fea47426d14645b7fdf87327f55f300.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\NEAS.7fea47426d14645b7fdf87327f55f300.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.7fea47426d14645b7fdf87327f55f300.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\NEAS.7fea47426d14645b7fdf87327f55f300.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 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 158.240.127.40.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 8.173.189.20.in-addr.arpa udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 38.148.119.40.in-addr.arpa udp

Files

memory/976-0-0x0000000000400000-0x000000000041B000-memory.dmp

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

MD5 a3d1d825dbbf59847ce0497dbf582ea0
SHA1 a3bf28ba18b475edd75020f8000e7b8dfcc34c0b
SHA256 efc4ca81c6fbb9bd31eb3e43929603b1038a6c0eb156020ae9254a3235d4e45d
SHA512 8b8552ca2dbf68c7431ecb122a17086848b746e5da7fc244ea7002e7f4cc59642b4515378686a9d132b2fb65f737fef06f03aacc0a9b58eca61512a9ab6c4c82

memory/752-5-0x0000000000400000-0x000000000041B000-memory.dmp

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

MD5 a3d1d825dbbf59847ce0497dbf582ea0
SHA1 a3bf28ba18b475edd75020f8000e7b8dfcc34c0b
SHA256 efc4ca81c6fbb9bd31eb3e43929603b1038a6c0eb156020ae9254a3235d4e45d
SHA512 8b8552ca2dbf68c7431ecb122a17086848b746e5da7fc244ea7002e7f4cc59642b4515378686a9d132b2fb65f737fef06f03aacc0a9b58eca61512a9ab6c4c82

memory/976-6-0x0000000000400000-0x000000000041B000-memory.dmp

memory/752-7-0x0000000000400000-0x000000000041B000-memory.dmp

memory/976-8-0x0000000000400000-0x000000000041B000-memory.dmp