Analysis

  • max time kernel
    142s
  • max time network
    127s
  • 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, 12:13

General

  • Target

    2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe

  • Size

    4.1MB

  • MD5

    7a12fff5493f696b5ac9736bd2e8cd39

  • SHA1

    241caf3bd619998727667bb50f1fdd5b95c952f2

  • SHA256

    2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f

  • SHA512

    2673e5cf1f08a387bf6b26ff15360f7d9931cf0addf02c93bc206b095f9d2db51e11ebaf9ef16303c627b264665a86b91b2374fe5ac7582a108c6a7d8da88fdc

  • SSDEEP

    98304:NQ5D2l9l4iS08HSl0VEnoavYoS0cNVDX6HMSJRN2do:TlPZ8HPE809HMSJRgy

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\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe
    "C:\Users\Admin\AppData\Local\Temp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Users\Admin\AppData\Local\Temp\is-BSVTI.tmp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BSVTI.tmp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp" /SL5="$50118,4038749,54272,C:\Users\Admin\AppData\Local\Temp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.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:4444
      • C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
        "C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3592
      • C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe
        "C:\Users\Admin\AppData\Local\Jeengle\jeengle.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3452

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          4.3MB

          MD5

          52483397249647515f3fa56b6cda6661

          SHA1

          b3162f84b3e8496c61b5d518ab9e7c9f3da9d6e4

          SHA256

          a6e6dccedee360266faa256172ba1225da67d0fbf78dae0cc541c6fbe0bef996

          SHA512

          2e9dc86a71c23f60349847b77a3aaf8c892dd5386c33425967420b3ac0e0bfd537caa6e97b22beba98c67a63981fd37197067ee9ad7f101e46e27d735a9a0999

        • C:\Users\Admin\AppData\Local\Temp\is-6U8CC.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-BSVTI.tmp\2c378a01bc643c91d21f2458b39ebad0dffdf84ddb6c176978e75496f3227a9f.tmp

          Filesize

          692KB

          MD5

          f2401276f4e0f70c3aa6106d682479c5

          SHA1

          65bc28f6da79ad6c101b63efd11fa1660d944fb8

          SHA256

          b739f981bcb90a93b3f5bed7d9d9b2a816b9917dd24a4e612930383514bb4c8b

          SHA512

          0bce116b84c04fdd7c083e4275bbca41ceb8a453c54a09748d620e87b3d168076920b2c1c87f5b1d3c92b53a6b827c44ddaf5a532aafd0d421675c7bda5cacc9

        • memory/3452-81-0x0000000002700000-0x00000000027A2000-memory.dmp

          Filesize

          648KB

        • memory/3452-68-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-109-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-106-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-102-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-99-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-59-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-60-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-96-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-93-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-63-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-66-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-67-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-90-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-71-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-74-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-77-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-80-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3452-87-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3592-56-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3592-54-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/3592-52-0x0000000000400000-0x0000000000849000-memory.dmp

          Filesize

          4.3MB

        • memory/4444-12-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4444-62-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/4832-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4832-61-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4832-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB