Analysis

  • max time kernel
    150s
  • max time network
    153s
  • 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, 23:16

General

  • Target

    1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe

  • Size

    4.0MB

  • MD5

    d60b931f802801a56a8c13bf28ceb9ef

  • SHA1

    e4dee41f068d9bfe5d881704f4de3767339541e7

  • SHA256

    1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd

  • SHA512

    f7dc0dd9c2299100830f4fb664da6c77c73331ac8b81aa003d682be392337a7e48ef6a2db69e8eaf43ac106dfc25567535fae560ce1c738c8ef675770ae0bd62

  • SSDEEP

    98304:N2gszEwqIK+SdHx0EYXTZpk/ku03jnWjFt4jDuJEoOJSjd3:twqQe2Xs/P03jnQ34WKJSj9

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\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe
    "C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp" /SL5="$90062,3970375,54272,C:\Users\Admin\AppData\Local\Temp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.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:3976
      • 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:1704
      • 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:2192

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          4.6MB

          MD5

          c70996a70f43a96301278bf9a9d0a215

          SHA1

          cf88625f14041502a5abc1132b2ee8b43e0b5ca1

          SHA256

          d0a8fe39c12a906ab05692c6b5fd7aa30b9b4e8bafb9c684a1ffac86dbea79c2

          SHA512

          d68cb62624801ab510fdd3a3161fa2a8d463bee2ad4cca092edadf6c57ef89f1c8879c220e7f5f0604dfda850195d2c4aac8f6c301b58c10ddb21f0f37fff03d

        • C:\Users\Admin\AppData\Local\Temp\is-8JPF6.tmp\1746eae7ce4a09000409781060cb456c286bb5237e94f852fd3bd3e7f7d912dd.tmp

          Filesize

          692KB

          MD5

          96e2c8db3dd8e1f3632aab3b400e4b9a

          SHA1

          4272048cddf5a17cee879c2c421f61e33baeff69

          SHA256

          624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2

          SHA512

          1d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984

        • C:\Users\Admin\AppData\Local\Temp\is-FKAH1.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • memory/1168-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1168-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/1168-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1704-52-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/1704-53-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/1704-54-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/1704-56-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-65-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-79-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-108-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-62-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-105-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-68-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-71-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-74-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-77-0x0000000000C50000-0x0000000000CF2000-memory.dmp

          Filesize

          648KB

        • memory/2192-59-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-84-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-87-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-90-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-93-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-96-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-99-0x0000000000400000-0x000000000089E000-memory.dmp

          Filesize

          4.6MB

        • memory/2192-100-0x0000000000C50000-0x0000000000CF2000-memory.dmp

          Filesize

          648KB

        • memory/2192-101-0x0000000000C50000-0x0000000000CF2000-memory.dmp

          Filesize

          648KB

        • memory/3976-10-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3976-61-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB