Analysis

  • max time kernel
    296s
  • max time network
    299s
  • 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 22:35

General

  • Target

    15437c51243f7c3135e11c8bebc7501236ef2c4430f07bc06a79798b4053cdc1.exe

  • Size

    5.2MB

  • MD5

    7cb6445b92e9e57a85920f409758ffdd

  • SHA1

    ee15de3941dbf6417ca29b20cb93385f11f603d8

  • SHA256

    15437c51243f7c3135e11c8bebc7501236ef2c4430f07bc06a79798b4053cdc1

  • SHA512

    1f681dfea07b673412ef04eebcd07415590625c1f909c1c6372955d2f10af76089dc29e284897fd7d96dc52bb783e9a3ca53dfb746ca0d03c192c698a00f627a

  • SSDEEP

    98304:mHeHWjxmpcOKICFv81+pVqil9H3xhZRxL8/VXkyCkOdJdT3b3XzsZ1:pSxmTUv81+vqil9XzV+V0XkOdbvHzsZ1

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\15437c51243f7c3135e11c8bebc7501236ef2c4430f07bc06a79798b4053cdc1.exe
    "C:\Users\Admin\AppData\Local\Temp\15437c51243f7c3135e11c8bebc7501236ef2c4430f07bc06a79798b4053cdc1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\is-KEK5T.tmp\15437c51243f7c3135e11c8bebc7501236ef2c4430f07bc06a79798b4053cdc1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KEK5T.tmp\15437c51243f7c3135e11c8bebc7501236ef2c4430f07bc06a79798b4053cdc1.tmp" /SL5="$7020E,5228119,54272,C:\Users\Admin\AppData\Local\Temp\15437c51243f7c3135e11c8bebc7501236ef2c4430f07bc06a79798b4053cdc1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2224
      • 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:3084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-KEK5T.tmp\15437c51243f7c3135e11c8bebc7501236ef2c4430f07bc06a79798b4053cdc1.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

    74a93139720dda8c6fdb83502101adda

    SHA1

    30f51206f87d2edc2598839648d32166def9edda

    SHA256

    52dbe5f65db0fa35145feb7140cd9883e0634a2c92ceb9df7f707d7e87fc91a6

    SHA512

    066d23b52b7227dd3bae37fb92a7f014f1f1f8a47c5e506fa2f73ec1768ae10e802a6e7e12250dbd7add7d3a7834bd07caf0322f582783dfd4370dca2f8f0df1

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

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • memory/2076-72-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2076-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2076-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2224-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2224-73-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3084-111-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-99-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-133-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-74-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-77-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-80-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-83-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-86-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-89-0x00000000007A0000-0x0000000000842000-memory.dmp

    Filesize

    648KB

  • memory/3084-91-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-96-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-130-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-102-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-105-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-108-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-127-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-114-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-117-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-120-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

  • memory/3084-123-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

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

    Filesize

    2.7MB

  • memory/4984-69-0x0000000000400000-0x00000000006BA000-memory.dmp

    Filesize

    2.7MB

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

    Filesize

    2.7MB