Analysis
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max time kernel
141s -
max time network
147s -
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 18:03
Static task
static1
Behavioral task
behavioral1
Sample
3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe
Resource
win11-20240611-en
General
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Target
3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe
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Size
4.6MB
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MD5
b0fb37c560d85194ede37559042f61ac
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SHA1
f2b61ff2da1b2af0074ccb7224360d70744cf012
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SHA256
3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10
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SHA512
de7353add5f2e00f882e772a8b60c435c4960b36a011811ec02c99600d4f114e660eadb3f302ae968d5b73c7149a7ff55d2ed4e3435c5f1bb8da46f7a54c9289
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SSDEEP
98304:m5RjD3U829FZNhWzHgnI6thxLxvkltoV0H46S5gsR8rR:CRjDI9FZNEzAnt+g6uriR
Malware Config
Extracted
socks5systemz
aiuesbq.ru
http://aiuesbq.ru/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c3ec9d933d
http://aiuesbq.ru/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12eab517aa5c96bd86ec94874a855a8bbc896c58e713bc90c91b36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d38ce679f10
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3896-85-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz behavioral2/memory/3896-111-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz behavioral2/memory/3896-110-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmpplayercloudfree32.exeplayercloudfree32.exepid process 4880 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp 3544 playercloudfree32.exe 3896 playercloudfree32.exe -
Loads dropped DLL 1 IoCs
Processes:
3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmppid process 4880 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.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 152.89.198.214 -
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:
3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmppid process 4880 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmpdescription pid process target process PID 4760 wrote to memory of 4880 4760 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp PID 4760 wrote to memory of 4880 4760 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp PID 4760 wrote to memory of 4880 4760 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp PID 4880 wrote to memory of 3544 4880 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp playercloudfree32.exe PID 4880 wrote to memory of 3544 4880 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp playercloudfree32.exe PID 4880 wrote to memory of 3544 4880 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp playercloudfree32.exe PID 4880 wrote to memory of 3896 4880 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp playercloudfree32.exe PID 4880 wrote to memory of 3896 4880 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp playercloudfree32.exe PID 4880 wrote to memory of 3896 4880 3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp playercloudfree32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe"C:\Users\Admin\AppData\Local\Temp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Users\Admin\AppData\Local\Temp\is-EENJA.tmp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp"C:\Users\Admin\AppData\Local\Temp\is-EENJA.tmp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmp" /SL5="$60202,4589196,54272,C:\Users\Admin\AppData\Local\Temp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4880 -
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:3544 -
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:3896
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
2.8MB
MD5674742a802946d903c09b5ae52fed3a6
SHA16c35ecbba1d6f0af602d24859baafb727ed9cd1c
SHA2561e334417c03f8138ee0bce77ac48cf1b7463c8990e6e1cd935cf37386a903fbb
SHA5128c651f964bfb295108ac41aa6bf54f87b34620bd7438cf794696e09a3d684d709c92ce50171529715275d8211639aa099854e55952b883db168a2dab23565253
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C:\Users\Admin\AppData\Local\Temp\is-BVBQM.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-EENJA.tmp\3e43639dac07b85e02438b9a27be668843fa53df0eb5d64f746bc98b845b2b10.tmpFilesize
680KB
MD518e1f77fda7cca9e6162bbfc406b4340
SHA1b73e1046cb4dc7c12923d84eb311e27acfae795b
SHA256e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3
SHA51271a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57
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memory/3544-61-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3544-65-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3544-63-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3544-59-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-74-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-85-0x00000000025D0000-0x0000000002672000-memory.dmpFilesize
648KB
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memory/3896-117-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-68-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-114-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-110-0x00000000025D0000-0x0000000002672000-memory.dmpFilesize
648KB
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memory/3896-71-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-111-0x00000000025D0000-0x0000000002672000-memory.dmpFilesize
648KB
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memory/3896-77-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-80-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-83-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-109-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-89-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-94-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-97-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-100-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-103-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/3896-106-0x0000000000400000-0x00000000006CD000-memory.dmpFilesize
2.8MB
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memory/4760-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4760-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4760-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/4880-10-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4880-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB