Analysis
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max time kernel
143s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 19:00
Static task
static1
Behavioral task
behavioral1
Sample
9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe
Resource
win11-20240419-en
General
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Target
9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe
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Size
5.1MB
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MD5
084206f8a2da42650f43f9e7f8b9637c
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SHA1
eb4c2d83f238c11a1f14dcb15196084521dc1df2
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SHA256
9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652
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SHA512
7c49fa10df23e73d7cb4045606266a0985ac3eefbf54c522220f0e5563508c776dba2985b4bdb5735bcc591f93bb01b15935edf2e865e16f49a329880448c675
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SSDEEP
98304:CGdOA4Di92asc8zOc5TfARThpGFK6WZYizIvWulzJ836pWqNzgbiYVw7FQLQxy:VdOSjvc5TfCpGF7WZx+zJ83qW2XR7FY1
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2636-87-0x0000000000B20000-0x0000000000BC2000-memory.dmp family_socks5systemz behavioral1/memory/2636-110-0x0000000000B20000-0x0000000000BC2000-memory.dmp family_socks5systemz behavioral1/memory/2636-111-0x0000000000B20000-0x0000000000BC2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exepid process 2468 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp 3952 mp3doctorfree32_64.exe 2636 mp3doctorfree32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmppid process 2468 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.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 45.155.250.90 -
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:
9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmppid process 2468 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmpdescription pid process target process PID 4656 wrote to memory of 2468 4656 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp PID 4656 wrote to memory of 2468 4656 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp PID 4656 wrote to memory of 2468 4656 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp PID 2468 wrote to memory of 3952 2468 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp mp3doctorfree32_64.exe PID 2468 wrote to memory of 3952 2468 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp mp3doctorfree32_64.exe PID 2468 wrote to memory of 3952 2468 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp mp3doctorfree32_64.exe PID 2468 wrote to memory of 2636 2468 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp mp3doctorfree32_64.exe PID 2468 wrote to memory of 2636 2468 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp mp3doctorfree32_64.exe PID 2468 wrote to memory of 2636 2468 9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp mp3doctorfree32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe"C:\Users\Admin\AppData\Local\Temp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-P443L.tmp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp"C:\Users\Admin\AppData\Local\Temp\is-P443L.tmp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmp" /SL5="$701DE,5071409,54272,C:\Users\Admin\AppData\Local\Temp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.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\MP3Doctor Free 2020\mp3doctorfree32_64.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exeFilesize
3.8MB
MD5e185b9f099ad411e3a44089343d0ccdb
SHA1013e998679318e81adb34d7f4b84d08b1d8bb477
SHA256465f024a7041b441d337bf71c9b1f2b85d1bb3af3e35d8a8607a3d95922d75ab
SHA512df49c9295c3ca2ce4f1d790f3d1a0cf32919436fdfc452bbbebd777874c455474fdb99a0382ed3a80edfcf2b9e494e930e87ee9d9c42026c98c67c2f6b4f60b2
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C:\Users\Admin\AppData\Local\Temp\is-0B7TH.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-P443L.tmp\9af2d697f3d522c58699bced07ecfb2eb7c5623e2767fba3626fcca7cc1e5652.tmpFilesize
680KB
MD56f995e2d6c8d0d1d03cb3afcd1deafaf
SHA10319dbd8c7b44067b82fed5272059757a526b3aa
SHA256cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb
SHA512207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d
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memory/2468-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2468-10-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2636-100-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-75-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-110-0x0000000000B20000-0x0000000000BC2000-memory.dmpFilesize
648KB
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memory/2636-109-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-106-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-66-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-68-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-103-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-118-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-71-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-74-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-111-0x0000000000B20000-0x0000000000BC2000-memory.dmpFilesize
648KB
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memory/2636-78-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-81-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-84-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-87-0x0000000000B20000-0x0000000000BC2000-memory.dmpFilesize
648KB
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memory/2636-89-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-94-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-97-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/2636-115-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/3952-59-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/3952-64-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/3952-61-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/3952-60-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/4656-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4656-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4656-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB