Analysis
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max time kernel
141s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-06-2024 19:54
Static task
static1
Behavioral task
behavioral1
Sample
79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe
Resource
win11-20240611-en
General
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Target
79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe
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Size
4.6MB
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MD5
badf0e3994943ce24bda4ad1117ae0c3
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SHA1
4bfd57dbb6cab7fbcad0706bc18ef82964efc962
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SHA256
79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1
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SHA512
cf3cef7aea4eac91b8a15dc005b08cd824159a4c114a21c68447d20597bcc7909de0b5ea3c5fd8bd70d21fd2fd8cf02ca6810e201e31cea49b771bf5ff5139ab
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SSDEEP
98304:m/+KXm5zCadoNaUS5P4gMIk0ihjABYKa2eP+7KKlR:XKXOmadooj2gtk0ipABYKC49R
Malware Config
Extracted
socks5systemz
dllyluz.info
http://dllyluz.info/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978f371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c4ef909b3c
http://dllyluz.info/search/?q=67e28dd83f0fa67d125ca51e7c27d78406abdd88be4b12eab517aa5c96bd86e9938148855a8bbc896c58e713bc90c94836b5281fc235a925ed3e50d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d3fcd6a9711
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2100-87-0x0000000000A60000-0x0000000000B02000-memory.dmp family_socks5systemz behavioral2/memory/2100-112-0x0000000000A60000-0x0000000000B02000-memory.dmp family_socks5systemz behavioral2/memory/2100-111-0x0000000000A60000-0x0000000000B02000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmpplayercloudfree32.exeplayercloudfree32.exepid process 2364 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp 4920 playercloudfree32.exe 2100 playercloudfree32.exe -
Loads dropped DLL 1 IoCs
Processes:
79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmppid process 2364 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.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:
79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmppid process 2364 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmpdescription pid process target process PID 748 wrote to memory of 2364 748 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp PID 748 wrote to memory of 2364 748 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp PID 748 wrote to memory of 2364 748 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp PID 2364 wrote to memory of 4920 2364 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp playercloudfree32.exe PID 2364 wrote to memory of 4920 2364 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp playercloudfree32.exe PID 2364 wrote to memory of 4920 2364 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp playercloudfree32.exe PID 2364 wrote to memory of 2100 2364 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp playercloudfree32.exe PID 2364 wrote to memory of 2100 2364 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp playercloudfree32.exe PID 2364 wrote to memory of 2100 2364 79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp playercloudfree32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe"C:\Users\Admin\AppData\Local\Temp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Users\Admin\AppData\Local\Temp\is-K15KB.tmp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp"C:\Users\Admin\AppData\Local\Temp\is-K15KB.tmp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmp" /SL5="$40246,4593748,54272,C:\Users\Admin\AppData\Local\Temp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2364 -
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:4920 -
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:2100
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exeFilesize
2.8MB
MD54777d5f35e3ef36e2d3a5e8a3ce73a09
SHA1fd9b8708c7e2779d7a9ce921f3d9128a85107588
SHA25664b5e38d99b2fc5a60787b14784a085ee8555982d41f8d172ce77606df85ff8f
SHA51265713cb7a6742e7d4c3d0e0abe009793b127deff45ede0504ffad787a196617372f6ce78035fcabaa937409b1489c06ec9e282d8579c101d8a24d031bcaac67e
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C:\Users\Admin\AppData\Local\Temp\is-2FPVV.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-K15KB.tmp\79b5a0229adc138d63a611b4982b1c2dc1bc7ed459473bd2bdaa82db544318e1.tmpFilesize
680KB
MD518e1f77fda7cca9e6162bbfc406b4340
SHA1b73e1046cb4dc7c12923d84eb311e27acfae795b
SHA256e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3
SHA51271a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57
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memory/748-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/748-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/748-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2100-95-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-87-0x0000000000A60000-0x0000000000B02000-memory.dmpFilesize
648KB
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memory/2100-119-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-67-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-68-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-116-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-111-0x0000000000A60000-0x0000000000B02000-memory.dmpFilesize
648KB
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memory/2100-71-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-74-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-75-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-78-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-81-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-84-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-112-0x0000000000A60000-0x0000000000B02000-memory.dmpFilesize
648KB
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memory/2100-90-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-110-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-98-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-101-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-104-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2100-107-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/2364-13-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2364-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4920-61-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/4920-59-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB
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memory/4920-63-0x0000000000400000-0x00000000006C9000-memory.dmpFilesize
2.8MB