Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/08/2024, 00:27

General

  • Target

    5004159d201ad59e29867a2174681e7e6b845d0b92282c6861b4f5189cb96ed9.exe

  • Size

    3.8MB

  • MD5

    15ddbd98080184d5408fe9729c57c00a

  • SHA1

    a8438ae6ae21b7e1cc5ae313cc92c3e5e4cc4fdd

  • SHA256

    5004159d201ad59e29867a2174681e7e6b845d0b92282c6861b4f5189cb96ed9

  • SHA512

    293289f3171dc6e4397def5a57eadddef95383852d93a4e1f30e4f62f3a30b16481540d76dcff64dd1b0917f07f5993abe6072fe920ebf6791becc8f7b9137b0

  • SSDEEP

    98304:Nrh4QG7uVOuD9HvL8JTlmtn3lUou5pDtxteukB/d3:zHG7y79vwZwtn3WowDvt9O9

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\5004159d201ad59e29867a2174681e7e6b845d0b92282c6861b4f5189cb96ed9.exe
    "C:\Users\Admin\AppData\Local\Temp\5004159d201ad59e29867a2174681e7e6b845d0b92282c6861b4f5189cb96ed9.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Users\Admin\AppData\Local\Temp\is-SKIJL.tmp\5004159d201ad59e29867a2174681e7e6b845d0b92282c6861b4f5189cb96ed9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SKIJL.tmp\5004159d201ad59e29867a2174681e7e6b845d0b92282c6861b4f5189cb96ed9.tmp" /SL5="$50238,3731321,54272,C:\Users\Admin\AppData\Local\Temp\5004159d201ad59e29867a2174681e7e6b845d0b92282c6861b4f5189cb96ed9.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:2672
      • 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:492
      • 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:3932

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

          21227efde374a90c7193a2727d3ebe9d

          SHA1

          6ee67422d2d9be8ff01bf316f29a5e402c6a40d4

          SHA256

          5b5b9bfc082c97c72e17c0336c8abe89d56a5ff23bdbb6c8c229f82ee6b0ca42

          SHA512

          d81221135e84fd148f4e9955093349e60b733e5d4063aed0ae1dbe14069566fc720db8f89911b3f0a296ec5bf5bce231c55d78b88fabfbc0559a45532f516dbc

        • C:\Users\Admin\AppData\Local\Temp\is-A7AV3.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-SKIJL.tmp\5004159d201ad59e29867a2174681e7e6b845d0b92282c6861b4f5189cb96ed9.tmp

          Filesize

          692KB

          MD5

          96e2c8db3dd8e1f3632aab3b400e4b9a

          SHA1

          4272048cddf5a17cee879c2c421f61e33baeff69

          SHA256

          624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2

          SHA512

          1d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984

        • memory/492-52-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/492-56-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/492-54-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/1320-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/1320-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1320-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2672-61-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/2672-10-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3932-62-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-79-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-65-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-68-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-71-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-74-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-76-0x0000000002A90000-0x0000000002B32000-memory.dmp

          Filesize

          648KB

        • memory/3932-59-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-85-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-88-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-91-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-94-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-97-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-100-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-104-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB

        • memory/3932-107-0x0000000000400000-0x000000000086E000-memory.dmp

          Filesize

          4.4MB