Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 19:09
Static task
static1
Behavioral task
behavioral1
Sample
41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe
Resource
win11-20240426-en
General
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Target
41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe
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Size
5.8MB
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MD5
9a45bdb668302c4bc910d609fceb4084
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SHA1
f364544204854fc77d840786e1e969e45a20fe1b
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SHA256
41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70
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SHA512
86894a40f72d5b227f27eb47f0dbc5b1c2bee038395ff7db2885fe7042ef50eba19a7ca527819eced247fbe18002784289b107a8d46a5e4e2021e791e3889541
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SSDEEP
98304:mEvhqnnY7fBzYk4ZZdmQ7Q5hrHTz3NbboxMwksRyd9kq2CEDoT78+3:/vhhfcZEOYhrHTBbGALlyoE+3
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/3268-93-0x00000000009D0000-0x0000000000A72000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp5kplayer32.exe5kplayer32.exepid process 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp 396 5kplayer32.exe 3268 5kplayer32.exe -
Loads dropped DLL 3 IoCs
Processes:
41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmppid process 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.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:
41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmppid process 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmpdescription pid process target process PID 4940 wrote to memory of 5108 4940 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp PID 4940 wrote to memory of 5108 4940 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp PID 4940 wrote to memory of 5108 4940 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp PID 5108 wrote to memory of 396 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp 5kplayer32.exe PID 5108 wrote to memory of 396 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp 5kplayer32.exe PID 5108 wrote to memory of 396 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp 5kplayer32.exe PID 5108 wrote to memory of 3268 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp 5kplayer32.exe PID 5108 wrote to memory of 3268 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp 5kplayer32.exe PID 5108 wrote to memory of 3268 5108 41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp 5kplayer32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe"C:\Users\Admin\AppData\Local\Temp\41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Users\Admin\AppData\Local\Temp\is-2MQ08.tmp\41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp"C:\Users\Admin\AppData\Local\Temp\is-2MQ08.tmp\41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp" /SL5="$7011E,5775656,54272,C:\Users\Admin\AppData\Local\Temp\41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5108 -
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
PID:396
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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:3268
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.4MB
MD5f7c5f033bae9038db16341c15f530d12
SHA12e4936c96f8e8c3f82a322db4f8e2c975df75e58
SHA256318da3b148a41d15ee1f60c5fdb71145a3459bd673971503b5fc19c7bdbd4683
SHA5125967a6699f4ce7255505632f8c9462dcb55335a22cba903a20a11fad66d322864f2d351a434e386b53f62350cba1d89163c6fa08ca6f816c43d6378c42e133a4
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C:\Users\Admin\AppData\Local\Temp\is-2MQ08.tmp\41acf19ac2b7c8deacf14927dc7fbe9744dc488d3d080ea4aafb2c46e23e3f70.tmp
Filesize680KB
MD5ef9105d68de970efad785e01b21e4e2b
SHA17fe8801a3e86814972da63a7a943bdc5e31d8888
SHA256381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a
SHA512e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
32KB
MD5b6f11a0ab7715f570f45900a1fe84732
SHA177b1201e535445af5ea94c1b03c0a1c34d67a77b
SHA256e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67
SHA51278a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771