Analysis
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max time kernel
141s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-06-2024 01:56
Static task
static1
Behavioral task
behavioral1
Sample
11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe
Resource
win11-20240611-en
General
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Target
11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe
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Size
4.4MB
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MD5
c9525fcfa432b93b3d841dd0ee608b0f
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SHA1
82e2130a0951b86f7eca6a36cf034e937b6c5228
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SHA256
11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0
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SHA512
dc158f824ea8d571c6dd4b8fce4379ad9f13ba1cd594c3097d67aab5ff9291c288977478d1cbe0d472b372424c96b4f0dee2e3ac8cd5ffe18ce6b45679911e88
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SSDEEP
98304:mFznYhjQ08Cml9+ehnWwR8iDrQzHxufbpfZ2BvGWrP7kD:Yzj01mr+Y8ieefcBvGWrAD
Malware Config
Extracted
socks5systemz
bukkimz.com
http://bukkimz.com/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978f371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c6ed979c3b
http://bukkimz.com/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12eab517aa5c96bd86e9938148855a8bbc896c58e713bc90c94836b5281fc235a925ed3e50d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d3dcf6d9016
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4760-84-0x00000000009B0000-0x0000000000A52000-memory.dmp family_socks5systemz behavioral2/memory/4760-110-0x00000000009B0000-0x0000000000A52000-memory.dmp family_socks5systemz behavioral2/memory/4760-111-0x00000000009B0000-0x0000000000A52000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmpplayercloudfree32.exeplayercloudfree32.exepid process 4976 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp 1784 playercloudfree32.exe 4760 playercloudfree32.exe -
Loads dropped DLL 1 IoCs
Processes:
11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmppid process 4976 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.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:
11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmppid process 4976 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmpdescription pid process target process PID 3700 wrote to memory of 4976 3700 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp PID 3700 wrote to memory of 4976 3700 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp PID 3700 wrote to memory of 4976 3700 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp PID 4976 wrote to memory of 1784 4976 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp playercloudfree32.exe PID 4976 wrote to memory of 1784 4976 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp playercloudfree32.exe PID 4976 wrote to memory of 1784 4976 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp playercloudfree32.exe PID 4976 wrote to memory of 4760 4976 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp playercloudfree32.exe PID 4976 wrote to memory of 4760 4976 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp playercloudfree32.exe PID 4976 wrote to memory of 4760 4976 11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp playercloudfree32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe"C:\Users\Admin\AppData\Local\Temp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Users\Admin\AppData\Local\Temp\is-QLLIN.tmp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp"C:\Users\Admin\AppData\Local\Temp\is-QLLIN.tmp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmp" /SL5="$70156,4409179,54272,C:\Users\Admin\AppData\Local\Temp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -i3⤵
- Executes dropped EXE
PID:1784 -
C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -s3⤵
- Executes dropped EXE
PID:4760
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exeFilesize
2.6MB
MD528990016061e9595531d5a17b70acd3c
SHA130f547bc92ec8e2ea04a206b4a66eea8b325d58b
SHA256ddea2c5b51e9915ea53a2e4c5e2b2e195369cdf2472e99947d9d8c57c585d072
SHA512d07dca9beb816c912897b202307349bcc9b4ed452f6aa4d32b78132675806eecc3bf9830e00759ed08180c62a29e274e1caef4d2c9a39c6ca5506a8117b7acdd
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C:\Users\Admin\AppData\Local\Temp\is-P25QB.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-QLLIN.tmp\11b18ae1652e8a19b76d6eeff34e30a15ee9fa8d4addca42d9b6fc496d4969a0.tmpFilesize
680KB
MD518e1f77fda7cca9e6162bbfc406b4340
SHA1b73e1046cb4dc7c12923d84eb311e27acfae795b
SHA256e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3
SHA51271a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57
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memory/1784-59-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/1784-61-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/1784-63-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/1784-65-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/3700-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3700-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3700-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4760-74-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-88-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-118-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-71-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-115-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-77-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-80-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-83-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-84-0x00000000009B0000-0x0000000000A52000-memory.dmpFilesize
648KB
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memory/4760-68-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-94-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-97-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-100-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-103-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-106-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-109-0x0000000000400000-0x000000000069E000-memory.dmpFilesize
2.6MB
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memory/4760-110-0x00000000009B0000-0x0000000000A52000-memory.dmpFilesize
648KB
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memory/4760-111-0x00000000009B0000-0x0000000000A52000-memory.dmpFilesize
648KB
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memory/4976-16-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4976-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB