Analysis
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max time kernel
142s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 04:35
Static task
static1
Behavioral task
behavioral1
Sample
7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe
Resource
win11-20240508-en
General
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Target
7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe
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Size
5.0MB
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MD5
12f8802d77ddee1553c1c097eb6d266b
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SHA1
c48fa0413a77f532994d7106128867a962dd398b
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SHA256
7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610
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SHA512
bbb87008eb99ad573dcbe0d8cf988c4a04cf98ac7e5d169e2dfc800f9702f2cfe18d4b648b735e574118d7a66095aa69b8fb8450f7a1b89ef790e69fed7d0530
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SSDEEP
98304:CCExNIonYBwFHWf476mnbtRKKnMhsDW3PVI6sCwZ+keFQxe:7iNYBwF2f47DtRfMaDOszZ+dQY
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/4360-90-0x00000000009D0000-0x0000000000A72000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmpmp3doctorfree.exemp3doctorfree.exepid process 3272 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp 936 mp3doctorfree.exe 4360 mp3doctorfree.exe -
Loads dropped DLL 1 IoCs
Processes:
7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmppid process 3272 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.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 141.98.234.31 -
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:
7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmppid process 3272 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmpdescription pid process target process PID 1348 wrote to memory of 3272 1348 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp PID 1348 wrote to memory of 3272 1348 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp PID 1348 wrote to memory of 3272 1348 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp PID 3272 wrote to memory of 936 3272 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp mp3doctorfree.exe PID 3272 wrote to memory of 936 3272 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp mp3doctorfree.exe PID 3272 wrote to memory of 936 3272 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp mp3doctorfree.exe PID 3272 wrote to memory of 4360 3272 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp mp3doctorfree.exe PID 3272 wrote to memory of 4360 3272 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp mp3doctorfree.exe PID 3272 wrote to memory of 4360 3272 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp mp3doctorfree.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe"C:\Users\Admin\AppData\Local\Temp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-EL29P.tmp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp"C:\Users\Admin\AppData\Local\Temp\is-EL29P.tmp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp" /SL5="$15011E,4977821,54272,C:\Users\Admin\AppData\Local\Temp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -s3⤵
- Executes dropped EXE
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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=4768 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exeFilesize
3.5MB
MD596e68f5fbc6d3e0d72b1239d45aa064c
SHA1368c5e3a022ed47de3ad49963e3f20fd555e6b1a
SHA25607f7388a4c42d6b0604f2c5381650bba385ac2d3047fe508c0c54b2c0c9ab73a
SHA51249c59f38350d049c999d9612523eaaf6d5be807f7ee5e76c9b3369c4f983dcd7e10defabf3182e44d144b2b0559d66069200d79e599c9397e05a00a3d2ed1a88
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C:\Users\Admin\AppData\Local\Temp\is-EL29P.tmp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmpFilesize
680KB
MD5586aa973d3d7a6fec928e1e7465faee9
SHA17c32a29d6a334e617b624167752b0b0fe621bed1
SHA256e74c795df256ee54122b0566f6f18b28659ed7b3eb2d88f315b775043fc93fae
SHA512665a76a90c3d2fdd83999a63de53f82287fa3c6e646796c59091b2ea3cdcca6a46b6e95f6d64336615888a0a02411bad8128f58cc68cff98da676330e308edb9
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C:\Users\Admin\AppData\Local\Temp\is-RGFLT.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/936-63-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/936-67-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/936-61-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/936-62-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/1348-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/1348-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/1348-17-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3272-8-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3272-56-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3272-72-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4360-73-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-89-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-77-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-76-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-80-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-83-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-86-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-70-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-90-0x00000000009D0000-0x0000000000A72000-memory.dmpFilesize
648KB
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memory/4360-96-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-99-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-102-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-105-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-108-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-111-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB
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memory/4360-115-0x0000000000400000-0x0000000000784000-memory.dmpFilesize
3.5MB