Analysis
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max time kernel
119s -
max time network
125s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
12-02-2022 03:27
Static task
static1
Behavioral task
behavioral1
Sample
17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe
Resource
win10v2004-en-20220112
General
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Target
17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe
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Size
100KB
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MD5
4d4d25bbc64231d79da2b63c2e40723b
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SHA1
13e44f0965d4e79ee3e929a0013a7cb92679ab4a
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SHA256
17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e
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SHA512
923194516a17651e082a0d34bd9b498d487e30f7271447ec8b5bb558e98773fec669d77879dd7404a5eb23801064886b59cf19160f132eee24c3ff73638ac2e1
Malware Config
Signatures
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Sakula Payload 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 1896 MediaCenter.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 428 cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exepid process 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exedescription pid process Token: SeIncBasePriorityPrivilege 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.execmd.exedescription pid process target process PID 1776 wrote to memory of 1896 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe MediaCenter.exe PID 1776 wrote to memory of 1896 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe MediaCenter.exe PID 1776 wrote to memory of 1896 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe MediaCenter.exe PID 1776 wrote to memory of 1896 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe MediaCenter.exe PID 1776 wrote to memory of 428 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe cmd.exe PID 1776 wrote to memory of 428 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe cmd.exe PID 1776 wrote to memory of 428 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe cmd.exe PID 1776 wrote to memory of 428 1776 17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe cmd.exe PID 428 wrote to memory of 1844 428 cmd.exe PING.EXE PID 428 wrote to memory of 1844 428 cmd.exe PING.EXE PID 428 wrote to memory of 1844 428 cmd.exe PING.EXE PID 428 wrote to memory of 1844 428 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe"C:\Users\Admin\AppData\Local\Temp\17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:1896 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17971bb049a7beba32e7b11e520fa925155a8b428a759fab3b636225ea19c24e.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:428 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1844
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
8cf85d19b04d4fe91ebe17fc83be3240
SHA18e35dc56866e3b8b2af298b0e51290b4d5b0c36c
SHA256406885471b1fb47e986fa79e335b75dde157a03c07e32e840eb3e8bb9f7a4240
SHA5129cf2f477cf6d5e5ea17b37cbb6292c1737dd46dda84eb75bf4d10e083917fb1f02036545f9d187be790b38384a1ee2cb28d1dafe646ec28080849c11798f6d83
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MD5
8cf85d19b04d4fe91ebe17fc83be3240
SHA18e35dc56866e3b8b2af298b0e51290b4d5b0c36c
SHA256406885471b1fb47e986fa79e335b75dde157a03c07e32e840eb3e8bb9f7a4240
SHA5129cf2f477cf6d5e5ea17b37cbb6292c1737dd46dda84eb75bf4d10e083917fb1f02036545f9d187be790b38384a1ee2cb28d1dafe646ec28080849c11798f6d83
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MD5
8cf85d19b04d4fe91ebe17fc83be3240
SHA18e35dc56866e3b8b2af298b0e51290b4d5b0c36c
SHA256406885471b1fb47e986fa79e335b75dde157a03c07e32e840eb3e8bb9f7a4240
SHA5129cf2f477cf6d5e5ea17b37cbb6292c1737dd46dda84eb75bf4d10e083917fb1f02036545f9d187be790b38384a1ee2cb28d1dafe646ec28080849c11798f6d83