Analysis

  • max time kernel
    293s
  • max time network
    286s
  • 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 22:55

General

  • Target

    4d5b0e89b60bb8569f46f73e29f1e23197c5bc329332109ff91d914677605cbe.exe

  • Size

    5.4MB

  • MD5

    c1fd0d6de94f8ea95cd019e13425dd36

  • SHA1

    d5c9e80389516f331881927076a3ff50ac1aafb2

  • SHA256

    4d5b0e89b60bb8569f46f73e29f1e23197c5bc329332109ff91d914677605cbe

  • SHA512

    c68053758534198621e1c6e1aabcc5604e31c6994c3419806c51d9d06a9a2e512fcead6d7c39dc502dee61d9c308026a1540cda7cdc293b18eef54933b320479

  • SSDEEP

    98304:mFftUUU7V/20ZNEbiYE3qdKdH5R1geIApORqSyjtNeq8o0FpNCa91:stGEtE3quhaqhX90FpP1

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\4d5b0e89b60bb8569f46f73e29f1e23197c5bc329332109ff91d914677605cbe.exe
    "C:\Users\Admin\AppData\Local\Temp\4d5b0e89b60bb8569f46f73e29f1e23197c5bc329332109ff91d914677605cbe.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Users\Admin\AppData\Local\Temp\is-4D5F2.tmp\4d5b0e89b60bb8569f46f73e29f1e23197c5bc329332109ff91d914677605cbe.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4D5F2.tmp\4d5b0e89b60bb8569f46f73e29f1e23197c5bc329332109ff91d914677605cbe.tmp" /SL5="$8021A,5396147,54272,C:\Users\Admin\AppData\Local\Temp\4d5b0e89b60bb8569f46f73e29f1e23197c5bc329332109ff91d914677605cbe.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4244
      • 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:2644
      • 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:864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-4D5F2.tmp\4d5b0e89b60bb8569f46f73e29f1e23197c5bc329332109ff91d914677605cbe.tmp

    Filesize

    680KB

    MD5

    8d7bfa2fafebdbff501549e13c0a35ad

    SHA1

    70f77afb2a2ae71acfe192a7bf907b0ef9dc3a18

    SHA256

    a5681e01514ac58b8f172078e7de5567e98f028104a1d88655b88bfdddfe8bfc

    SHA512

    1648dbcf876a0fdc69399e960e1a6db437f07e35f30cfac44b65bffa93aa418a01e9c3cc1ec472c8ed657976f2b65aa6fa81e3b9f691e27c94372442e92769f3

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

    Filesize

    2.9MB

    MD5

    2224d38b2c74746a1bf341d2c940e424

    SHA1

    4d442518ce3c52825010c47b9341f05d15d82bc5

    SHA256

    fc944361c35ca27bbdd6029204c7d99d435060017fa20cdae2a7bb64ca2fdfdf

    SHA512

    55c5eeb766512f8df9a304035ad364b654b5ccb3fb3f5b9492357abd4c912942cfc274af2e82ebcb4a3f85b8ff3407ff4d75148886d2c87bbcd426a04f9b01a9

  • \Users\Admin\AppData\Local\Temp\is-H41Q8.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-H41Q8.tmp\_isetup\_isdecmp.dll

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • memory/864-111-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-108-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-133-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-130-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-127-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-124-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-120-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-117-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-74-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-77-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-80-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-83-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-86-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-88-0x00000000007F0000-0x0000000000892000-memory.dmp

    Filesize

    648KB

  • memory/864-91-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-96-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-99-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-102-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-105-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/864-114-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/2644-69-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/2644-66-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/2644-65-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/2752-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2752-72-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2752-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4244-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4244-73-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB