Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/08/2024, 22:31

General

  • Target

    7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe

  • Size

    3.8MB

  • MD5

    e26c76100a089a94c3d1acd93db457cf

  • SHA1

    25fb66bc18362ee0c008e72b909190a3f18e7f34

  • SHA256

    7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5

  • SHA512

    c98c097edb078293201ac2f8ac0dcf11d518d5b500a14437011fefbc4b855073801b66bc1fccded42c34723dedb810d3b46d722cf92a9a1106c37afba8a8a8d4

  • SSDEEP

    49152:1vM6eXNvwBT5/E+bHCofOzDgnK5g56tsNXwmS3oYC9LIrFkf23KbgONkLZidgkT7:NMOlnfmD6FcuyFTcgNodJIK9wPpGcKd3

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\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe
    "C:\Users\Admin\AppData\Local\Temp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:920
    • C:\Users\Admin\AppData\Local\Temp\is-3NNMN.tmp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3NNMN.tmp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp" /SL5="$800F6,3735475,54272,C:\Users\Admin\AppData\Local\Temp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.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:4324
      • C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
        "C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2172
      • C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
        "C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2996

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

          Filesize

          4.4MB

          MD5

          5e0a8ffd2f356a2a76265f2cf335f67a

          SHA1

          3ecfb5f97f8eb6a4f0682a526318054e2348c9e3

          SHA256

          858e9b948f89b35e5686aef218bddaf698569739159ef8162640bbcadf56238e

          SHA512

          c2201cd29d3edaf5e1b292a89902ea9e833e1ec4ee3d2a2a53563de1300330b5f5925da6a02c34b3c5c451569e51b0d5626f972141fe6493c315b55cd151cf49

        • C:\Users\Admin\AppData\Local\Temp\is-3NNMN.tmp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp

          Filesize

          692KB

          MD5

          96e2c8db3dd8e1f3632aab3b400e4b9a

          SHA1

          4272048cddf5a17cee879c2c421f61e33baeff69

          SHA256

          624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2

          SHA512

          1d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984

        • C:\Users\Admin\AppData\Local\Temp\is-UP05H.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • memory/920-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/920-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/920-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2172-52-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2172-53-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2172-55-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2172-57-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-68-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-84-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-62-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-65-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-108-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-71-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-74-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-77-0x00000000009C0000-0x0000000000A62000-memory.dmp

          Filesize

          648KB

        • memory/2996-79-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-105-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-87-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-90-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-93-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-96-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-99-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/2996-100-0x00000000009C0000-0x0000000000A62000-memory.dmp

          Filesize

          648KB

        • memory/2996-101-0x00000000009C0000-0x0000000000A62000-memory.dmp

          Filesize

          648KB

        • memory/4324-61-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4324-10-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB