Analysis
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max time kernel
148s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
14-06-2024 13:35
Static task
static1
Behavioral task
behavioral1
Sample
193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe
Resource
win11-20240508-en
General
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Target
193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe
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Size
4.8MB
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MD5
5618252bc2559b564db89c7c50868bcf
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SHA1
ff96d364bd5a98a2dc8d29fcc540956298b15a1c
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SHA256
193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2
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SHA512
6b181e6cafd5352d7915d1e0c0eab123423fce8132cbf2aa6f12a57bf23ec05f0d35a098ec656a590f13a7b40febe74ffb9507ff887f58930f618d319df2d46d
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SSDEEP
98304:mxO1GDvbTGYhb8QSfJEly4x3AJki9zVfrqs0xIFaA8UG/mZf:mBrGYhEREly4x3CzVfrqsAD1mf
Malware Config
Extracted
socks5systemz
ckbcjbg.net
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/876-83-0x0000000002530000-0x00000000025D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmpm4atomp3converter.exem4atomp3converter.exepid process 1032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp 3428 m4atomp3converter.exe 876 m4atomp3converter.exe -
Loads dropped DLL 1 IoCs
Processes:
193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmppid process 1032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp -
Unexpected DNS network traffic destination 3 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 Destination IP 152.89.198.214 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:
193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmppid process 1032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmpdescription pid process target process PID 4088 wrote to memory of 1032 4088 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp PID 4088 wrote to memory of 1032 4088 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp PID 4088 wrote to memory of 1032 4088 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp PID 1032 wrote to memory of 3428 1032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp m4atomp3converter.exe PID 1032 wrote to memory of 3428 1032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp m4atomp3converter.exe PID 1032 wrote to memory of 3428 1032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp m4atomp3converter.exe PID 1032 wrote to memory of 876 1032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp m4atomp3converter.exe PID 1032 wrote to memory of 876 1032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp m4atomp3converter.exe PID 1032 wrote to memory of 876 1032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp m4atomp3converter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe"C:\Users\Admin\AppData\Local\Temp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-BE7K4.tmp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp"C:\Users\Admin\AppData\Local\Temp\is-BE7K4.tmp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp" /SL5="$40222,4778432,54272,C:\Users\Admin\AppData\Local\Temp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exeFilesize
2.9MB
MD5ad7b86704e7ac5153c03edd0c3ef1768
SHA14841a53eea38e7426809d7840ca300a6ed43c701
SHA2563453497f60f3b730e15d3d697dd91233042c92a8706fe7601084c09b93146c79
SHA512f40ede904efbca61c9440de0ad80cb6b9e3b047b8caf2ad745c9762cf5c2168b78e5aeba21f8dd8e6c6fdd9ba098ed4566aa77642e09072225c0489aebb34b5f
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C:\Users\Admin\AppData\Local\Temp\is-7UNJ9.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-BE7K4.tmp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmpFilesize
680KB
MD5283da5c763c54b41092d9fe0d244b491
SHA1d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03
SHA256339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9
SHA512306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a
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memory/876-86-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-92-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-113-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-110-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-107-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-67-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-104-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-101-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-98-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-70-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-73-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-76-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-79-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-82-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/876-83-0x0000000002530000-0x00000000025D2000-memory.dmpFilesize
648KB
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memory/876-95-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/1032-16-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1032-69-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3428-59-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/3428-64-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/3428-62-0x0000000000400000-0x00000000006ED000-memory.dmpFilesize
2.9MB
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memory/4088-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4088-68-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4088-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB