Analysis
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max time kernel
144s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20231025-en -
resource tags
arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system -
submitted
14-11-2023 19:14
Behavioral task
behavioral1
Sample
b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe
Resource
win10v2004-20231025-en
General
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Target
b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe
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Size
411KB
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MD5
33035942c17d3a53f3b6d1ca970c0212
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SHA1
3709cd98c55bcb4567a047e58398504df287d6c5
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SHA256
b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54
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SHA512
7cc642d0829cc5225900c0c9de06236be800e5ae4b73d1f84200cfa042ec4d0e4eac71c56d6350186468bdde027578386c7f87984793c03bd972eb42814e8a48
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SSDEEP
6144:LHkZeUwBxE1+ijiBKk3etdgI2MyzNORQtOfl1qNVo7R+S+N/TU7kn5119J3rR05F:zkZbw8EYiBlMkn5f9J105ko8K
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2100-1-0x0000000000400000-0x0000000000423000-memory.dmp family_sakula behavioral1/memory/3048-7-0x0000000000400000-0x0000000000423000-memory.dmp family_sakula behavioral1/memory/3048-9-0x0000000000400000-0x0000000000423000-memory.dmp family_sakula behavioral1/memory/2100-14-0x0000000000400000-0x0000000000423000-memory.dmp family_sakula behavioral1/memory/3048-73-0x0000000000400000-0x0000000000423000-memory.dmp family_sakula -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 2532 cmd.exe -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid process 3048 MediaCenter.exe -
Loads dropped DLL 1 IoCs
Processes:
b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exepid process 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe -
Processes:
resource yara_rule behavioral1/memory/2100-1-0x0000000000400000-0x0000000000423000-memory.dmp upx \Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe upx behavioral1/memory/3048-7-0x0000000000400000-0x0000000000423000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe upx behavioral1/memory/3048-9-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral1/memory/2100-14-0x0000000000400000-0x0000000000423000-memory.dmp upx behavioral1/memory/3048-73-0x0000000000400000-0x0000000000423000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exedescription pid process Token: SeIncBasePriorityPrivilege 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.execmd.exedescription pid process target process PID 2100 wrote to memory of 3048 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe MediaCenter.exe PID 2100 wrote to memory of 3048 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe MediaCenter.exe PID 2100 wrote to memory of 3048 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe MediaCenter.exe PID 2100 wrote to memory of 3048 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe MediaCenter.exe PID 2100 wrote to memory of 2532 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe cmd.exe PID 2100 wrote to memory of 2532 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe cmd.exe PID 2100 wrote to memory of 2532 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe cmd.exe PID 2100 wrote to memory of 2532 2100 b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe cmd.exe PID 2532 wrote to memory of 2600 2532 cmd.exe PING.EXE PID 2532 wrote to memory of 2600 2532 cmd.exe PING.EXE PID 2532 wrote to memory of 2600 2532 cmd.exe PING.EXE PID 2532 wrote to memory of 2600 2532 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe"C:\Users\Admin\AppData\Local\Temp\b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
PID:3048 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\b5cfbee4157bf05fc656345fbb22efe9741db758dbec483782e8c4824a82fd54.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:2600
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\CabD809.tmpFilesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeFilesize
411KB
MD57496bbc40f0f74d635e462b6612f4bd8
SHA194716770a25218f8ae003676f3adb7658d6f82d2
SHA25647d63cef57b01c0e8757d488e54a3838571766765d4b5044273152feda8ec994
SHA512fce886c258a5eacc17208973cd4258cb0d2510204d07ce09ea860d087c29d6c32b2f15e19150914cecbd75a4e471c06f10cfd08a2b888d78dad2abc8771b761c
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C:\Users\Admin\AppData\Local\Temp\TarD899.tmpFilesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
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\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeFilesize
411KB
MD57496bbc40f0f74d635e462b6612f4bd8
SHA194716770a25218f8ae003676f3adb7658d6f82d2
SHA25647d63cef57b01c0e8757d488e54a3838571766765d4b5044273152feda8ec994
SHA512fce886c258a5eacc17208973cd4258cb0d2510204d07ce09ea860d087c29d6c32b2f15e19150914cecbd75a4e471c06f10cfd08a2b888d78dad2abc8771b761c
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memory/2100-1-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/2100-5-0x0000000000230000-0x0000000000253000-memory.dmpFilesize
140KB
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memory/2100-14-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/3048-7-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/3048-9-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB
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memory/3048-73-0x0000000000400000-0x0000000000423000-memory.dmpFilesize
140KB