Analysis

  • max time kernel
    142s
  • max time network
    126s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/08/2024, 21:07

General

  • Target

    dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe

  • Size

    3.8MB

  • MD5

    854c16c0179eeb25eb02a7d3cb0bae27

  • SHA1

    c2ce1cc0c521dc9b3a455e69e2edcc137d94308d

  • SHA256

    dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6

  • SHA512

    859d9b6e2f1ae528f31420652d893806b4f0dfdf0c9343aef769ff2914554d9aedc9544f15c2f83d1b495a418eb3791ce18a91e1152896d5c75463a8ff05f999

  • SSDEEP

    98304:NhHiQnKLWygfG71ZBs6nOqWL1GjerqZxQpWlfA287Nyd3:LiNKe7BDOqWJGjp/5A24y9

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 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\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe
    "C:\Users\Admin\AppData\Local\Temp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\is-5UG1N.tmp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-5UG1N.tmp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp" /SL5="$60208,3761789,54272,C:\Users\Admin\AppData\Local\Temp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.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:2268
      • 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:4484
      • 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:2220

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

          6a521bd35db1e9414504aaf93ab13134

          SHA1

          6316d63f1af1775761cbdee733e62e61bb301acd

          SHA256

          10fd4bf05995e821a57f56abe084b6485258345ffdb09a086b268efdd2e62594

          SHA512

          e2ea079c99bf22bf9f53e92eaa9f106e616d11b5e50dd58bf71748cc5f38ece152351a12b54c6fb8be5137e31075f82e05768b2081a7d788be6328b418015612

        • C:\Users\Admin\AppData\Local\Temp\is-3F494.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-5UG1N.tmp\dca3f56cf0b4f47a18c393912e1c6b8f3385d9363d2665313c469bf04507ccd6.tmp

          Filesize

          692KB

          MD5

          96e2c8db3dd8e1f3632aab3b400e4b9a

          SHA1

          4272048cddf5a17cee879c2c421f61e33baeff69

          SHA256

          624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2

          SHA512

          1d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984

        • memory/2156-62-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2156-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/2156-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2220-81-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-87-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-109-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-106-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-61-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-60-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-102-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-99-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-64-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-67-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-68-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-71-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-74-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-77-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-80-0x0000000000B60000-0x0000000000C02000-memory.dmp

          Filesize

          648KB

        • memory/2220-96-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-93-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2220-90-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/2268-13-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/2268-63-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4484-52-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/4484-53-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/4484-57-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB

        • memory/4484-55-0x0000000000400000-0x0000000000868000-memory.dmp

          Filesize

          4.4MB