Analysis

  • max time kernel
    300s
  • max time network
    300s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30-05-2024 22:48

General

  • Target

    3d618d11bb9df7180454a20aba153e74a1cb5ad033b0e611579de35084ee125a.exe

  • Size

    5.2MB

  • MD5

    8dc088d08955608eb404f95ef12844e3

  • SHA1

    eaf691734d192e6dabe56e04c6ec1d0b981e697b

  • SHA256

    3d618d11bb9df7180454a20aba153e74a1cb5ad033b0e611579de35084ee125a

  • SHA512

    98bd8b57c7a7812626a136225b5cf1147ad27341ee9336e99a6fe764a109681ac30bbd469d2679b2b26d7a148152d935d518742c0daf43db84644b5273513d7e

  • SSDEEP

    98304:mtfDfozK46/owtruQN+IwrZ2/RzEg9m6NcQjYhYaKsndQOUD5nPUJquL5x1:uDUKdEQ8IC0ymN7IKsndpaUJquH1

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\3d618d11bb9df7180454a20aba153e74a1cb5ad033b0e611579de35084ee125a.exe
    "C:\Users\Admin\AppData\Local\Temp\3d618d11bb9df7180454a20aba153e74a1cb5ad033b0e611579de35084ee125a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Users\Admin\AppData\Local\Temp\is-CKO1R.tmp\3d618d11bb9df7180454a20aba153e74a1cb5ad033b0e611579de35084ee125a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-CKO1R.tmp\3d618d11bb9df7180454a20aba153e74a1cb5ad033b0e611579de35084ee125a.tmp" /SL5="$9006A,5231885,54272,C:\Users\Admin\AppData\Local\Temp\3d618d11bb9df7180454a20aba153e74a1cb5ad033b0e611579de35084ee125a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe
        "C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4984
      • C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe
        "C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-CKO1R.tmp\3d618d11bb9df7180454a20aba153e74a1cb5ad033b0e611579de35084ee125a.tmp

    Filesize

    680KB

    MD5

    8d7bfa2fafebdbff501549e13c0a35ad

    SHA1

    70f77afb2a2ae71acfe192a7bf907b0ef9dc3a18

    SHA256

    a5681e01514ac58b8f172078e7de5567e98f028104a1d88655b88bfdddfe8bfc

    SHA512

    1648dbcf876a0fdc69399e960e1a6db437f07e35f30cfac44b65bffa93aa418a01e9c3cc1ec472c8ed657976f2b65aa6fa81e3b9f691e27c94372442e92769f3

  • C:\Users\Admin\AppData\Local\Turquoise CD Player\cdplayer.exe

    Filesize

    2.7MB

    MD5

    fd201f7e932b66f5e584359a949d78f3

    SHA1

    78168dbbc382b319d127e1e45bf98151b3f8323d

    SHA256

    f9cfdb4f6cb8530522eb63b666734f1331fd522493b511c03dedf40dddc08fcf

    SHA512

    8f5b75add2872981582e82b2d1ddbffdfd6a7056d35e9ad459f2f71224fb145ee2a30a12808ec3886fe2992cecb7adf08b8de8eec7f2ffb5d24f7a031442431b

  • \Users\Admin\AppData\Local\Temp\is-7M0GL.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-7M0GL.tmp\_isetup\_isdecmp.dll

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • memory/1428-112-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-109-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-134-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-131-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-128-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-124-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-121-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-118-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-75-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-78-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-81-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-84-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-87-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-90-0x0000000000870000-0x0000000000912000-memory.dmp

    Filesize

    648KB

  • memory/1428-92-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-97-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-100-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-103-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-106-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/1428-115-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/2188-22-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2188-74-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2836-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2836-73-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2836-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4984-70-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/4984-66-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/4984-65-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB