Analysis
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max time kernel
141s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-06-2024 05:44
Static task
static1
Behavioral task
behavioral1
Sample
378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe
Resource
win11-20240611-en
General
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Target
378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe
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Size
5.1MB
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MD5
bd5c2954ad05fb25b65d78b7293c1051
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SHA1
7e357e10c6defff5674aff6764ab8887d232d294
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SHA256
378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0
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SHA512
88dc1ce69ded4446ec3887cf8d1e90acc90254879b8fd68e94aedd0c935cbbf932fac3ab12bdda90cb9c12ce19fbef1799b28b99044474f135047d4caa08e1af
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SSDEEP
98304:mbDwKnagP3i1C7CtcFeel7nvgfofs4dt/DJ50OEltDmP:AaOgO+MvG94df5COP
Malware Config
Extracted
socks5systemz
bbxmdwy.com
http://bbxmdwy.com/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff613c9eb969838
http://bbxmdwy.com/search/?q=67e28dd86c5af52d4607af197c27d78406abdd88be4b12eab517aa5c96bd86ee968448845a8bbc896c58e713bc90c91b36b5281fc235a925ed3e06d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9832c96c9415
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1496-85-0x0000000002480000-0x0000000002522000-memory.dmp family_socks5systemz behavioral2/memory/1496-110-0x0000000002480000-0x0000000002522000-memory.dmp family_socks5systemz behavioral2/memory/1496-109-0x0000000002480000-0x0000000002522000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmpmp3ripfreeedition.exemp3ripfreeedition.exepid process 1300 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp 1688 mp3ripfreeedition.exe 1496 mp3ripfreeedition.exe -
Loads dropped DLL 1 IoCs
Processes:
378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmppid process 1300 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.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:
378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmppid process 1300 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmpdescription pid process target process PID 2440 wrote to memory of 1300 2440 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp PID 2440 wrote to memory of 1300 2440 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp PID 2440 wrote to memory of 1300 2440 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp PID 1300 wrote to memory of 1688 1300 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp mp3ripfreeedition.exe PID 1300 wrote to memory of 1688 1300 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp mp3ripfreeedition.exe PID 1300 wrote to memory of 1688 1300 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp mp3ripfreeedition.exe PID 1300 wrote to memory of 1496 1300 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp mp3ripfreeedition.exe PID 1300 wrote to memory of 1496 1300 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp mp3ripfreeedition.exe PID 1300 wrote to memory of 1496 1300 378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp mp3ripfreeedition.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe"C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp"C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp" /SL5="$4021A,5129191,54272,C:\Users\Admin\AppData\Local\Temp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1300 -
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i3⤵
- Executes dropped EXE
PID:1688
-
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C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s3⤵
- Executes dropped EXE
PID:1496
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.1MB
MD55310375253cd0e0fbb5c15cf1d5260d5
SHA13b41855c12305b36d6de72132e31f686460a0bc2
SHA256af510ed4f33cceb25f041db707a7f3c24cfc54deaac1082ab1c2d437ad94e893
SHA5123194fdcf48bdffdf34b4b6c5e968deda24158227609dc7d4896d39735e4f98c9c4b50187d594dbb525e8f00fe31de7ff2f4402fa7e27512218c13a56ae3305ca
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-EVPBH.tmp\378e3aa0f403b170d111d9725988334231b146e8a995483906e1a52aec1ecfc0.tmp
Filesize680KB
MD5c570b38a29e1d53c38a12bca682672e7
SHA1f7c6166feae7ab99a125006225622e9929a29aa6
SHA2563eef7973b2a7cf4cee4907c6c19ad750359a3d08f65f741bc22a26f92f6cdf36
SHA512f17ddfeccc853f5507d548308b06c5834490d798a96d9de81620b8f8165a10ab31ee6f7912ccd8e1ff04583449c4ac1516b5cc1b165f8a4aa8e387f51e19fcc6