Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 12:37

General

  • Target

    171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe

  • Size

    4.0MB

  • MD5

    8fb33ceb2fa5730d11c239a00479391e

  • SHA1

    97ccffe08950e3051087e1bbfe6ad531c3660327

  • SHA256

    171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5

  • SHA512

    2560d9c4a06808c1c637644e67f0d3f8cd5d1eeebf0a86fbf6105eca44c2e4c336908705460897df0eccdbebe41dddd53e38f63c2091e7afb9c93a8ed06807a7

  • SSDEEP

    98304:N2TDQ1/pRVbk32D0zCmJYSqvaAul3HCHs4pX17J1E3hlDKdP/3:Y/Q1h7kSyvJYSqvAExV1ulGZv

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.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe
    "C:\Users\Admin\AppData\Local\Temp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3320
    • C:\Users\Admin\AppData\Local\Temp\is-POGUA.tmp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-POGUA.tmp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp" /SL5="$A0062,3904543,54272,C:\Users\Admin\AppData\Local\Temp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4284
      • C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe
        "C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3988
      • C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe
        "C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5032

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Direct MIDI to MP3 Converter\midi2mp3converter32.exe

          Filesize

          4.3MB

          MD5

          1a76118efa2992dbaf89857615863843

          SHA1

          43f8dba80a5cebf9572e7015d6c7360da684d96c

          SHA256

          0900c00864992f3b2d95527d0f7d80c9281466bf6a1f8dd54df39ecc024c1e6f

          SHA512

          e5e051bb9d55502e244664ea06c7cba5f10c30e30955e6b218af6854bbd3fe25e3f529bf66b6baca6fcdf61bd7b598eaebd5f1a3abe6a57aa87922cb88cfa3d8

        • C:\Users\Admin\AppData\Local\Temp\is-J21CM.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-POGUA.tmp\171e930a212458e875dac9af2f01b9c080fc3147c7596870e543bc7c7fa6f8a5.tmp

          Filesize

          692KB

          MD5

          1eb3e9399c5013c37a44cdf5a17ceaf6

          SHA1

          1c3cd272348e09cea6d1da0a498c0fcbc2d5beac

          SHA256

          2b44cd29d7e79d1d559cd91eafb9a02510d2f56773af076fdbf5196168ed8522

          SHA512

          e3b93bd750db1cef9c2ca214ca79381539b415da661b8dd0f0a972b2b2f894093a310da7cb5db3c917dd5d94cac8a0e6de40608cb37b1c0e70a85c205c7651f6

        • memory/3320-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/3320-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3320-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3988-52-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/3988-53-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/3988-56-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/3988-54-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/4284-61-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4284-16-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/5032-65-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-87-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-59-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-68-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-71-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-74-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-77-0x0000000000B90000-0x0000000000C32000-memory.dmp

          Filesize

          648KB

        • memory/5032-81-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-84-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-62-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-90-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-93-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-96-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-99-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-100-0x0000000000B90000-0x0000000000C32000-memory.dmp

          Filesize

          648KB

        • memory/5032-101-0x0000000000B90000-0x0000000000C32000-memory.dmp

          Filesize

          648KB

        • memory/5032-105-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB

        • memory/5032-108-0x0000000000400000-0x000000000084F000-memory.dmp

          Filesize

          4.3MB