Malware Analysis Report

2024-12-07 22:10

Sample ID 221012-sw5bnahdfm
Target 13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27
SHA256 13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27
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

13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27

Threat Level: Known bad

The file 13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27 was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula

Sakula family

Sakula payload

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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-12 15:29

Signatures

Sakula family

sakula

Sakula payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-12 15:29

Reported

2022-10-12 15:32

Platform

win7-20220812-en

Max time kernel

95s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.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\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1752 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1752 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1752 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1752 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1752 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1752 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1752 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1752 wrote to memory of 1784 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Windows\SysWOW64\cmd.exe
PID 1752 wrote to memory of 1784 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Windows\SysWOW64\cmd.exe
PID 1752 wrote to memory of 1784 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Windows\SysWOW64\cmd.exe
PID 1752 wrote to memory of 1784 N/A C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe C:\Windows\SysWOW64\cmd.exe
PID 1784 wrote to memory of 1560 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1784 wrote to memory of 1560 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1784 wrote to memory of 1560 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1784 wrote to memory of 1560 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe

"C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.savmpet.com udp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp

Files

memory/1752-54-0x0000000076261000-0x0000000076263000-memory.dmp

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

MD5 6c0da19bbcb16871060b1b692b171ac4
SHA1 a139322859d0379d0c9877e2edd9d5b5e7a73f29
SHA256 63f543d342a5c1e399ed138ec4f51dcdb865aa63213b462891491d0c0da6398d
SHA512 1dd28f17668bd2da8f15f7917422948d85d164dc6eebd7acc4ac12f3383e5aa9728aee8b151f8f008f86833fb305a63db97056b4a5daff1a318842ef52aa14c4

memory/864-56-0x0000000000000000-mapping.dmp

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

MD5 6c0da19bbcb16871060b1b692b171ac4
SHA1 a139322859d0379d0c9877e2edd9d5b5e7a73f29
SHA256 63f543d342a5c1e399ed138ec4f51dcdb865aa63213b462891491d0c0da6398d
SHA512 1dd28f17668bd2da8f15f7917422948d85d164dc6eebd7acc4ac12f3383e5aa9728aee8b151f8f008f86833fb305a63db97056b4a5daff1a318842ef52aa14c4

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

MD5 6c0da19bbcb16871060b1b692b171ac4
SHA1 a139322859d0379d0c9877e2edd9d5b5e7a73f29
SHA256 63f543d342a5c1e399ed138ec4f51dcdb865aa63213b462891491d0c0da6398d
SHA512 1dd28f17668bd2da8f15f7917422948d85d164dc6eebd7acc4ac12f3383e5aa9728aee8b151f8f008f86833fb305a63db97056b4a5daff1a318842ef52aa14c4

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

MD5 6c0da19bbcb16871060b1b692b171ac4
SHA1 a139322859d0379d0c9877e2edd9d5b5e7a73f29
SHA256 63f543d342a5c1e399ed138ec4f51dcdb865aa63213b462891491d0c0da6398d
SHA512 1dd28f17668bd2da8f15f7917422948d85d164dc6eebd7acc4ac12f3383e5aa9728aee8b151f8f008f86833fb305a63db97056b4a5daff1a318842ef52aa14c4

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

MD5 6c0da19bbcb16871060b1b692b171ac4
SHA1 a139322859d0379d0c9877e2edd9d5b5e7a73f29
SHA256 63f543d342a5c1e399ed138ec4f51dcdb865aa63213b462891491d0c0da6398d
SHA512 1dd28f17668bd2da8f15f7917422948d85d164dc6eebd7acc4ac12f3383e5aa9728aee8b151f8f008f86833fb305a63db97056b4a5daff1a318842ef52aa14c4

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

MD5 6c0da19bbcb16871060b1b692b171ac4
SHA1 a139322859d0379d0c9877e2edd9d5b5e7a73f29
SHA256 63f543d342a5c1e399ed138ec4f51dcdb865aa63213b462891491d0c0da6398d
SHA512 1dd28f17668bd2da8f15f7917422948d85d164dc6eebd7acc4ac12f3383e5aa9728aee8b151f8f008f86833fb305a63db97056b4a5daff1a318842ef52aa14c4

memory/1784-63-0x0000000000000000-mapping.dmp

memory/1560-64-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-12 15:29

Reported

2022-10-12 15:32

Platform

win10v2004-20220812-en

Max time kernel

141s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.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\AdobeUpdate.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.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\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe

"C:\Users\Admin\AppData\Local\Temp\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\13d4d6d42f009d0da238938089c0ca3c6a49b465ba8650ea8b2cb1a003c9af27.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.savmpet.com udp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
US 52.168.117.170:443 tcp
US 8.252.51.254:80 tcp
US 8.253.183.120:80 tcp
NL 104.80.225.205:443 tcp
BE 35.205.61.67:80 www.savmpet.com tcp
US 209.197.3.8:80 tcp
BE 35.205.61.67:80 www.savmpet.com tcp
US 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
BE 35.205.61.67:80 www.savmpet.com tcp
US 8.8.8.8:53 0.e.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.4.0.c.0.0.3.0.1.3.0.6.2.ip6.arpa udp
BE 35.205.61.67:80 www.savmpet.com tcp

Files

memory/4892-132-0x0000000000000000-mapping.dmp

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

MD5 eb36cad2029606e54a01f5d46b30f24d
SHA1 f51dbd76d80794635a9e542a980f4d3ea4084d97
SHA256 9dd71bc2681f2e915cfc60bc92921198f29563cd55b4a26a9458b61b0b0e8e68
SHA512 56b8f5117477b70de46acb2faecbfe9de30e4c7f7945c2de0030c11aca01210b2a48fec8ec99f10fc32f2e811a383fcfe2d8d5ad32fdb4ff2879290074c9c547

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

MD5 eb36cad2029606e54a01f5d46b30f24d
SHA1 f51dbd76d80794635a9e542a980f4d3ea4084d97
SHA256 9dd71bc2681f2e915cfc60bc92921198f29563cd55b4a26a9458b61b0b0e8e68
SHA512 56b8f5117477b70de46acb2faecbfe9de30e4c7f7945c2de0030c11aca01210b2a48fec8ec99f10fc32f2e811a383fcfe2d8d5ad32fdb4ff2879290074c9c547

memory/1704-135-0x0000000000000000-mapping.dmp

memory/1864-136-0x0000000000000000-mapping.dmp