Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    12/11/2024, 14:00

General

  • Target

    b891aef085939935dab9c2073d7fd8855a72e283df16b282c88e4eec034a5725.exe

  • Size

    777KB

  • MD5

    919fd5cd3f9378b6b0fbeda894563842

  • SHA1

    f221d9eb4ea47bca8c7042e3800c1587cf7d7e8f

  • SHA256

    b891aef085939935dab9c2073d7fd8855a72e283df16b282c88e4eec034a5725

  • SHA512

    ac3b18e930a826a1e922450da498fe883c4e20a825e7eecf6d5de4b2f3c51bb6f2c5d047b7bc8a82def7205488ce592d1a6d77c554848f8bdd501264ae6a81c4

  • SSDEEP

    24576:d6Zv2VIPp9IyTFC00OIswnS+6u4xtyk9VPJ6Bq9ZA:dE26PoyTM00OhaS+U9h63

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 6 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b891aef085939935dab9c2073d7fd8855a72e283df16b282c88e4eec034a5725.exe
    "C:\Users\Admin\AppData\Local\Temp\b891aef085939935dab9c2073d7fd8855a72e283df16b282c88e4eec034a5725.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\spoolsv.exe
      C:\Windows\spoolsv.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2732

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\concp32.exe

          Filesize

          778KB

          MD5

          0971ee2eafb3fd3ac6640fb92e874087

          SHA1

          e4e94c662a32246315a016686d805a8fd12f4b28

          SHA256

          ff9005af2266d3b2cbd009ee7ded001cbb395624d7d160ffdb01209f80f1f0b1

          SHA512

          752f8844205a6974d73178dec3496b66c38abf2867541e75ace38f4325755e638cb8085f89e4a97dcf10e43acc826fd11276c44173e6495bf6beb55df042f98e

        • C:\Windows\spoolsv.exe

          Filesize

          780KB

          MD5

          5800b62cdb2c9f6d24b4fd9418034057

          SHA1

          3141e6883b0f01e9f4d9c229cf9306f3575d5fd1

          SHA256

          47b1c1846049609634d388ba5ba895232148737564c8bd4a530ba67cea5ed13b

          SHA512

          f622518d7fa24bd6f9e767df97ec216ef2c5461e2e4a698e8588dcf5f3843d375948120df6d4c68d5b6ff91ad7acfcf07081f576c32bbbc1b1937ccb1ad0afb6

        • memory/2092-0-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/2092-13-0x0000000001B70000-0x0000000001BA5000-memory.dmp

          Filesize

          212KB

        • memory/2092-15-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/2732-16-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB