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Analysis

  • max time kernel
    143s
  • max time network
    130s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05/06/2024, 08:30

General

  • Target

    3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe

  • Size

    6.2MB

  • MD5

    1defef862a225edf0a270a530726f74c

  • SHA1

    e172bbaa7918dd39934022bf95aaceeb60bc8978

  • SHA256

    3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e

  • SHA512

    e872481163d1acb1269628634c56e0731c0cb77db3d0d3f5c27c72016638614f38a29aa324433d42a2d1e8337361fa6bc4caf9cc79db45134ce3508546407660

  • SSDEEP

    196608:tXAuLFqiOZzhjhOXMe8clwdlLS/HGfjVX1gHz:tX1LFlOZzBhO8YUtSH2jVaz

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe
    "C:\Users\Admin\AppData\Local\Temp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Users\Admin\AppData\Local\Temp\is-4ARS0.tmp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4ARS0.tmp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp" /SL5="$4021C,6223304,54272,C:\Users\Admin\AppData\Local\Temp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3020
      • C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe
        "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe" -i
        3⤵
        • Executes dropped EXE
        PID:5048
      • C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe
        "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio.exe

    Filesize

    4.5MB

    MD5

    aff565e930d4de6e3240b9157ce242ab

    SHA1

    c1187a40d149ea7fb1dc3b4679cc4a43ce9a4d1b

    SHA256

    863328c2cac8b777cb83a3efd6e26f2dc095c48d9f94b63e95d2cba7e2639484

    SHA512

    0bd3977da9eaba34aa7e00832cda802a906aa56be369453631c8d76c681af0f5b9b6da57ae9350ead52eea257c8170f202877a6571c3113076fa4986455368cb

  • C:\Users\Admin\AppData\Local\Temp\is-4ARS0.tmp\3e48a1ee3711e14c3bc65ab6efe5bbc865e785d3fe4917471a3bfe647c979f1e.tmp

    Filesize

    680KB

    MD5

    69965ce722dfa2114c5f347bb2360bdf

    SHA1

    8443333ce6bf7e8e9c45c11f86806ff33bce602a

    SHA256

    2b6a0fae79b9aba931ea1bc2f4263c232fea928ebed94540364dd77a090ffb8b

    SHA512

    7de423e653f2fdc3ff8a0c1fda4762f843608db32373adbf178c7a53597e509dd251ac73005baff99503ed927e13fad969fb515ea96625f2a8ce8a1cad8fe421

  • C:\Users\Admin\AppData\Local\Temp\is-H1O77.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/780-70-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/780-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/780-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3020-12-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3020-71-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3156-101-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-85-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-68-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-69-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-119-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-116-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-72-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-75-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-76-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-79-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-82-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-111-0x0000000000C10000-0x0000000000CB2000-memory.dmp

    Filesize

    648KB

  • memory/3156-88-0x0000000000C10000-0x0000000000CB2000-memory.dmp

    Filesize

    648KB

  • memory/3156-92-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-95-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-98-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-112-0x0000000000C10000-0x0000000000CB2000-memory.dmp

    Filesize

    648KB

  • memory/3156-104-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-107-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/3156-110-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/5048-59-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/5048-65-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/5048-63-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB

  • memory/5048-60-0x0000000000400000-0x0000000000879000-memory.dmp

    Filesize

    4.5MB