Analysis

  • max time kernel
    141s
  • max time network
    128s
  • 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, 16:07

General

  • Target

    4986a7184a96e625ed0546cbd8270de48cb282fd70101dcea444da78e970d439.exe

  • Size

    4.0MB

  • MD5

    cfb2146e058db40d675506ebab9fadce

  • SHA1

    311d72f8b5c5e4a9931b52297bb0b7729934460f

  • SHA256

    4986a7184a96e625ed0546cbd8270de48cb282fd70101dcea444da78e970d439

  • SHA512

    bd07422830f8ce06c67662ff022d8160728800632946c400b9f8a0c0242a0a8a04a260865eee4310d97788a216a8dc1e512fc16dbe9c2376a4a9e05e4b056367

  • SSDEEP

    98304:N+HqvpREdElgbyJ5YKBafTl3Df6dfsqbZ2evpZ3Ty/MAWQd3:cHqcdEl0AnBablzfSThvfy/WQ9

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\4986a7184a96e625ed0546cbd8270de48cb282fd70101dcea444da78e970d439.exe
    "C:\Users\Admin\AppData\Local\Temp\4986a7184a96e625ed0546cbd8270de48cb282fd70101dcea444da78e970d439.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4476
    • C:\Users\Admin\AppData\Local\Temp\is-GUBBP.tmp\4986a7184a96e625ed0546cbd8270de48cb282fd70101dcea444da78e970d439.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-GUBBP.tmp\4986a7184a96e625ed0546cbd8270de48cb282fd70101dcea444da78e970d439.tmp" /SL5="$3017C,3964087,54272,C:\Users\Admin\AppData\Local\Temp\4986a7184a96e625ed0546cbd8270de48cb282fd70101dcea444da78e970d439.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:1232
      • 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:3760
      • 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:864

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          4.6MB

          MD5

          0518ea5df47eeed2c9a2b944c34dcfc5

          SHA1

          418532e1369ebeb54bb3b7cb56157e1cc453108d

          SHA256

          223e9760201003b014e44214b8a058b4ccf8a7df530ced5e9d9fa775d47e6388

          SHA512

          0b6c9a2e06562de7617bd378277f0ce927cd74bbca4861ea10fbfedd83be790c6cba4ff79a5202393f47652f3a958d18844e54f7126c498dd9f482daa20bd20d

        • C:\Users\Admin\AppData\Local\Temp\is-DJ3IV.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-GUBBP.tmp\4986a7184a96e625ed0546cbd8270de48cb282fd70101dcea444da78e970d439.tmp

          Filesize

          692KB

          MD5

          96e2c8db3dd8e1f3632aab3b400e4b9a

          SHA1

          4272048cddf5a17cee879c2c421f61e33baeff69

          SHA256

          624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2

          SHA512

          1d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984

        • memory/864-91-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-94-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-109-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-106-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-102-0x0000000000D30000-0x0000000000DD2000-memory.dmp

          Filesize

          648KB

        • memory/864-101-0x0000000000D30000-0x0000000000DD2000-memory.dmp

          Filesize

          648KB

        • memory/864-59-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-100-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-97-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-62-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-65-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-68-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-71-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-74-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-75-0x0000000000D30000-0x0000000000DD2000-memory.dmp

          Filesize

          648KB

        • memory/864-80-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-85-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/864-88-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/1232-10-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/1232-61-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3760-55-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/3760-52-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/3760-53-0x0000000000400000-0x000000000089D000-memory.dmp

          Filesize

          4.6MB

        • memory/4476-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4476-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4476-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB