Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
23-03-2022 09:33
Static task
static1
Behavioral task
behavioral1
Sample
4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe
Resource
win10v2004-en-20220113
General
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Target
4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe
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Size
101KB
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MD5
c5b1f1974636a83b70a0c606a81cc2b0
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SHA1
c28159ca7d6a6e27cc96a945b35fe476290248b7
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SHA256
4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476
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SHA512
e732610be35754ec8fd0df291d233043b5ab4ddaab3b66389cd444c9411e43c281777e2e4efeaecc1bcd69c543f1970e8c8e7dc0d09f933ca574e8ed86862f15
Malware Config
Signatures
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Sakula Payload 2 IoCs
Processes:
resource yara_rule behavioral2/files/0x000500000001e7ab-131.dat family_sakula behavioral2/files/0x000500000001e7ab-132.dat family_sakula -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid Process 3232 MediaCenter.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.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:
4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exedescription pid Process Token: SeIncBasePriorityPrivilege 4712 4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.execmd.exedescription pid Process procid_target PID 4712 wrote to memory of 3232 4712 4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe 79 PID 4712 wrote to memory of 3232 4712 4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe 79 PID 4712 wrote to memory of 3232 4712 4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe 79 PID 4712 wrote to memory of 1348 4712 4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe 89 PID 4712 wrote to memory of 1348 4712 4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe 89 PID 4712 wrote to memory of 1348 4712 4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe 89 PID 1348 wrote to memory of 1324 1348 cmd.exe 91 PID 1348 wrote to memory of 1324 1348 cmd.exe 91 PID 1348 wrote to memory of 1324 1348 cmd.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe"C:\Users\Admin\AppData\Local\Temp\4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3232
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\4882622a4c8ab3952d8594a25e372dc2d4abc1f289b4aa695cc19cfa2522f476.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1324
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
0183613a444c2ad580d3c214a6d53f53
SHA13757b328feec910e3ffb5fb4eec1cb6bbfbb3b8e
SHA256112815831b2785161d457f1c05f62ef0ad1a82fecf98a5cb7dade5d8e8049b69
SHA51254588c07c14745ec8ac5e3bd1cc6121961541e58a6fd48fa28437e410da107bd2527f4af8c28b370f529a060861c0a28ba8bf459848fbcdd1c0eea2fbaf4349e
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MD5
0183613a444c2ad580d3c214a6d53f53
SHA13757b328feec910e3ffb5fb4eec1cb6bbfbb3b8e
SHA256112815831b2785161d457f1c05f62ef0ad1a82fecf98a5cb7dade5d8e8049b69
SHA51254588c07c14745ec8ac5e3bd1cc6121961541e58a6fd48fa28437e410da107bd2527f4af8c28b370f529a060861c0a28ba8bf459848fbcdd1c0eea2fbaf4349e