Analysis
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max time kernel
150s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 12:59
Static task
static1
Behavioral task
behavioral1
Sample
f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exe
Resource
win11-20240611-en
General
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Target
f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exe
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Size
4.8MB
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MD5
d8cf6bead5bbde6f668bf8badad05287
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SHA1
38d270107056f6894c1105f1456f70b7a24fc2ed
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SHA256
f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69
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SHA512
beeb233e06a7f0707a3599ca0b6d465744a22300e89eef8a2a2cb9b2f8672127677e4cac890ba31a870dbfec7ac838116d0303dfda9e2315e86e0a0f1f7a76be
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SSDEEP
98304:mkVy5PrSOHA/92G6s7i0mNMTcv3GZezwfF1AO/b7+vjDTw9U4PNgA:WS2AkGd205W2Z9Z/3+vjDTyU46A
Malware Config
Extracted
socks5systemz
ayeycan.ru
http://ayeycan.ru/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff719c8e791923d
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/4340-90-0x0000000000940000-0x00000000009E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmpstarsaudioconverter.exestarsaudioconverter.exepid process 1632 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp 4016 starsaudioconverter.exe 4340 starsaudioconverter.exe -
Loads dropped DLL 1 IoCs
Processes:
f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmppid process 1632 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 45.155.250.90 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmppid process 1632 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exef41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmpdescription pid process target process PID 3372 wrote to memory of 1632 3372 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exe f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp PID 3372 wrote to memory of 1632 3372 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exe f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp PID 3372 wrote to memory of 1632 3372 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exe f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp PID 1632 wrote to memory of 4016 1632 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp starsaudioconverter.exe PID 1632 wrote to memory of 4016 1632 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp starsaudioconverter.exe PID 1632 wrote to memory of 4016 1632 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp starsaudioconverter.exe PID 1632 wrote to memory of 4340 1632 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp starsaudioconverter.exe PID 1632 wrote to memory of 4340 1632 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp starsaudioconverter.exe PID 1632 wrote to memory of 4340 1632 f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp starsaudioconverter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exe"C:\Users\Admin\AppData\Local\Temp\f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Users\Admin\AppData\Local\Temp\is-6ULBM.tmp\f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp"C:\Users\Admin\AppData\Local\Temp\is-6ULBM.tmp\f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmp" /SL5="$100054,4825700,54272,C:\Users\Admin\AppData\Local\Temp\f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe" -i3⤵
- Executes dropped EXE
PID:4016 -
C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe"C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exe" -s3⤵
- Executes dropped EXE
PID:4340
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2232 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵PID:4472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\OrangeStars Audio Converter\starsaudioconverter.exeFilesize
2.4MB
MD5e05c14ee852ed293ba11885ccf3b4dcb
SHA139dab04c8893957729ecb0134bcdedb2f3cb958b
SHA256bc8a7f0e2dc3a011dd44b8ff6bd4563e9f6cef2ebab7b01c4cfcc8c7742cd860
SHA512b45eca41276d7e5db14d6c0995a6e7919bdc94c988bfb3cf5f1c271de8a934b27cec61b173b540f5c2d4e1e40a179185dcd46b5db8fface18bc48cbc6922b07e
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C:\Users\Admin\AppData\Local\Temp\is-6ULBM.tmp\f41064c7b77a9afd40e857e52461b20e414baff528e3fc63d4cf23d44b72da69.tmpFilesize
680KB
MD57b17001e9962a8c05608c4f1daf9ef32
SHA14e6761d6376029f4693d97ae693bdbdace2bbc92
SHA25666588c4f0da8cd01e0b13b2f70f30e4f540d8ac299a3e4a218070c3097a8f262
SHA512e973b087584bb1b8b2279a337e46f72b438018df405f5664cc5a8a427e25c3b1b163a3d6c685428846a38a6d5ee03bf1647d17478c62f5d8e45084acdbb73eca
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C:\Users\Admin\AppData\Local\Temp\is-JJHVA.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/1632-7-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1632-62-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3372-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3372-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3372-17-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4016-60-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4016-61-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4016-65-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4016-67-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-77-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-89-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-70-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-78-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-80-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-83-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-86-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-74-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-90-0x0000000000940000-0x00000000009E2000-memory.dmpFilesize
648KB
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memory/4340-96-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-100-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-102-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-106-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-108-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-111-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB
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memory/4340-115-0x0000000000400000-0x0000000000662000-memory.dmpFilesize
2.4MB