Analysis

  • max time kernel
    148s
  • 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, 06:51

General

  • Target

    b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe

  • Size

    4.3MB

  • MD5

    eb064d78c65b6dd682478ca516390799

  • SHA1

    ab168d9cfcea721f72afff092840da0ba57bf900

  • SHA256

    b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74

  • SHA512

    3385d03fa33ee7b077149cab4e0f2d645c02844e1524b3ad38958c4fb007315c585875795d4044a61066701228db4ca24a9f0a8ea52cd4773b70c2dd1906842b

  • SSDEEP

    98304:NdoPzzz3W4mpLywF3S9qrivIeOGsSm5bx/3ydo:kPLm4k4qrivIeOR5bdiy

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\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe
    "C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp" /SL5="$F005E,4218962,54272,C:\Users\Admin\AppData\Local\Temp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.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:816
      • 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:3412
      • 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:1588

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          4.5MB

          MD5

          a7ffdcfee0633a54e7522f38fc3e1a9c

          SHA1

          3338ddf12ce7513775d4e56cdf02b5f8dce7d2cb

          SHA256

          f24fd406a132f404a867313b64bd3b49553681609144328d32615d06beb9576a

          SHA512

          baf4b2b3a97e7901b45d79f726879df7c2665d799f5373e3278b84ea4f6bf2ab74b60f8ca112c410970527edf77ed5c5f1c0d8ba26982c9bd72dc479dff628f8

        • C:\Users\Admin\AppData\Local\Temp\is-D3G41.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-HAJT2.tmp\b1ea1d1933c6349c8959127a9472776dfcc6d22e190d7fdb1444ea173ae32c74.tmp

          Filesize

          692KB

          MD5

          f2401276f4e0f70c3aa6106d682479c5

          SHA1

          65bc28f6da79ad6c101b63efd11fa1660d944fb8

          SHA256

          b739f981bcb90a93b3f5bed7d9d9b2a816b9917dd24a4e612930383514bb4c8b

          SHA512

          0bce116b84c04fdd7c083e4275bbca41ceb8a453c54a09748d620e87b3d168076920b2c1c87f5b1d3c92b53a6b827c44ddaf5a532aafd0d421675c7bda5cacc9

        • memory/816-62-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/816-12-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/1588-88-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-97-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-109-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-106-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-102-0x0000000002AD0000-0x0000000002B72000-memory.dmp

          Filesize

          648KB

        • memory/1588-60-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-101-0x0000000002AD0000-0x0000000002B72000-memory.dmp

          Filesize

          648KB

        • memory/1588-100-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-63-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-66-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-69-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-72-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-75-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-78-0x0000000002AD0000-0x0000000002B72000-memory.dmp

          Filesize

          648KB

        • memory/1588-80-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-85-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-94-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1588-91-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/1636-1-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1636-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/1636-61-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3412-52-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/3412-57-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/3412-53-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB

        • memory/3412-55-0x0000000000400000-0x000000000087B000-memory.dmp

          Filesize

          4.5MB