Analysis
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max time kernel
141s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-05-2024 13:23
Static task
static1
Behavioral task
behavioral1
Sample
8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe
Resource
win11-20240426-en
General
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Target
8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe
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Size
4.7MB
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MD5
83c1d8975651cae4f1784589ec528017
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SHA1
98ab2a249e188f69f55eda1ce69c025132341234
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SHA256
8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148
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SHA512
f30bdf3989ac3112f31d2c9c0c6e7a26f184058db7948cc02b41f8e528c989589182178dc9ecca14101bc8b867eec1658c51cda0776ee1d9c6830ab07a70e89e
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SSDEEP
49152:32PxuOKoLjCSfiCNCRfj7iYu0am1g6cHAvjjjSEChE8unbcf1hIgXZz279ZchKcQ:mPxurYp+j7iYdaVWj/P4GgXE7CQCQMs
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1808-86-0x0000000000950000-0x00000000009F2000-memory.dmp family_socks5systemz behavioral2/memory/1808-110-0x0000000000950000-0x00000000009F2000-memory.dmp family_socks5systemz behavioral2/memory/1808-111-0x0000000000950000-0x00000000009F2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp5kplayer32.exe5kplayer32.exepid process 424 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp 2280 5kplayer32.exe 1808 5kplayer32.exe -
Loads dropped DLL 1 IoCs
Processes:
8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmppid process 424 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.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 91.211.247.248 -
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:
8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmppid process 424 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmpdescription pid process target process PID 3976 wrote to memory of 424 3976 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp PID 3976 wrote to memory of 424 3976 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp PID 3976 wrote to memory of 424 3976 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp PID 424 wrote to memory of 2280 424 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp 5kplayer32.exe PID 424 wrote to memory of 2280 424 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp 5kplayer32.exe PID 424 wrote to memory of 2280 424 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp 5kplayer32.exe PID 424 wrote to memory of 1808 424 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp 5kplayer32.exe PID 424 wrote to memory of 1808 424 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp 5kplayer32.exe PID 424 wrote to memory of 1808 424 8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp 5kplayer32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe"C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp"C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp" /SL5="$4022A,4698613,54272,C:\Users\Admin\AppData\Local\Temp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:424 -
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
PID:2280
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C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s3⤵
- Executes dropped EXE
PID:1808
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.3MB
MD5654ec34fd9c27d114d80fcb30028905e
SHA1bb6a5fde0e43de54b83961c2eb57f7f53778a268
SHA2565728f579f43f8f30a88e5f6e12edc44a73f9d9f033087caf339c3cf32be70747
SHA512109fb78d542f1b2dc8ec79cece5f2772f5a7f3e8c0e075ea16b1e67f037d0e59d35504a4dfc89fe92511a3d9405a5623f837806df8661b2df949c8dab13abf9c
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C:\Users\Admin\AppData\Local\Temp\is-FA9B6.tmp\8065293a115f8a99b025afd939182910272fcafd27117103e213f482a6964148.tmp
Filesize680KB
MD535dc5f441f5af688cd72c6e0b8dc86dc
SHA1328afce7e8d428b4c0769b722ebf6f7ada656751
SHA256d54b98ace62fc4252c1b7f4a06166cbaa1f246183fb9ea36034b34c9bcd2dddc
SHA51252d5291fdee71e36c724afdc6dfcf86ee17957e52cccbdb663285b5b2f4bfd9b8597e2cedf48f7faf0f17255c6544ae287e0d90c062f76451bc5fe994b39dcc4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63