Analysis
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max time kernel
1200s -
max time network
1200s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
10/08/2024, 22:45
Static task
static1
Behavioral task
behavioral1
Sample
bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe
Resource
win10v2004-20240802-en
General
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Target
bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe
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Size
3.5MB
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MD5
f4963b9e212361a18b29483845c45e7a
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SHA1
78259eab19223e51c013595f1532b2c71e642e20
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SHA256
bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c
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SHA512
5e44489ed3bbf26e46bb1b72c61c74fca6770ef078dfdc1e0b4e662894b853b07b21aceb3f14c9cb5594363a81cc040da72605f14ee3e03a2a073d1fde103650
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SSDEEP
98304:NfB9rIRN/3XHGXMcQQnrZABdOpm9XxBClSEYuds:HdMYqQnrCBdbxxAlSEj2
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2700-86-0x00000000023D0000-0x0000000002472000-memory.dmp family_socks5systemz behavioral1/memory/2700-109-0x00000000023D0000-0x0000000002472000-memory.dmp family_socks5systemz behavioral1/memory/2700-108-0x00000000023D0000-0x0000000002472000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 2276 bekkysoftuniversalplayer32_64.exe 2700 bekkysoftuniversalplayer32_64.exe -
Loads dropped DLL 5 IoCs
pid Process 408 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 12 api.ipify.org -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bekkysoftuniversalplayer32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bekkysoftuniversalplayer32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 408 wrote to memory of 2976 408 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe 29 PID 408 wrote to memory of 2976 408 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe 29 PID 408 wrote to memory of 2976 408 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe 29 PID 408 wrote to memory of 2976 408 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe 29 PID 408 wrote to memory of 2976 408 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe 29 PID 408 wrote to memory of 2976 408 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe 29 PID 408 wrote to memory of 2976 408 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe 29 PID 2976 wrote to memory of 2276 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 30 PID 2976 wrote to memory of 2276 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 30 PID 2976 wrote to memory of 2276 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 30 PID 2976 wrote to memory of 2276 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 30 PID 2976 wrote to memory of 2700 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 31 PID 2976 wrote to memory of 2700 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 31 PID 2976 wrote to memory of 2700 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 31 PID 2976 wrote to memory of 2700 2976 bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp 31
Processes
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C:\Users\Admin\AppData\Local\Temp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe"C:\Users\Admin\AppData\Local\Temp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:408 -
C:\Users\Admin\AppData\Local\Temp\is-4R3QF.tmp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp"C:\Users\Admin\AppData\Local\Temp\is-4R3QF.tmp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp" /SL5="$401AE,3442393,54272,C:\Users\Admin\AppData\Local\Temp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe"C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2276
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C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe"C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.9MB
MD54253ec7a70655370b0cfeabbb881e8c0
SHA1cf3747b8191c86dee0e88de5987a25ddd0ae3243
SHA2562626274060858fe7be1c94e042785e8cde47fdb1bd655ad0b2752b3236bbe4f2
SHA51225b10eb4fdf5baf242c340a141d13a5369865a578336a1d7a4e8889318bb379e509c814a47c4eaf1c332d5e982d67dc0e5cfb239ddc70dc2aa0da4005457d1ab
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\Users\Admin\AppData\Local\Temp\is-4R3QF.tmp\bfea462a7527fc9f2c573fc362bebcfabb0148b7e2521adc106962f9c555b26c.tmp
Filesize692KB
MD54c66dfdb244a9b27ce722a6e862d2954
SHA1f88c11ea7429f222a6fa40f8b54fee3f3e7391aa
SHA25618be4e3ee14297cac6d3ce462aa38b2996d3b43a6e2e7dab9af431f0af8c67b4
SHA5123d6a1ff5b1ec237ef0db636d089bca6f5c5cdef56415c4b5f39919cae75c7e797a80d8c228dc9e355151db1e8d2cc4b0378f7d24449335d13115efd114628125
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3