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Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 23:21

General

  • Target

    06c6fa9558585147c13a580261fc9d18.dll

  • Size

    33KB

  • MD5

    06c6fa9558585147c13a580261fc9d18

  • SHA1

    2181bb51dedc730da900318cbab45d37ff9be97d

  • SHA256

    2b1e8c69cba6382ac3f62dc217810640eaf414830dc30c1862321a0379f091f1

  • SHA512

    e88458dbd8f46e199e1f80e2443c8688f0134d28efdc0466b4de6a37d0831e4f59d7afd4bc9d79f91aa85c3c66867fc903d89af2d232cfda7798b5b2c5f8cafd

  • SSDEEP

    384:CsfaKYmTz9Wmn+RDwVXtUAfTvxTP3oxX9BkLyi3BYoyxqFbHqT3CMgIwbKbu:JhNTzsm+SFTZUxtBkp3BYooIu0IdC

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\06c6fa9558585147c13a580261fc9d18.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2868
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\06c6fa9558585147c13a580261fc9d18.dll,#1
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2736
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Windows\system32\rqRIxvTM.dll,a
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:1212

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\rqRIxvTM.dll

      Filesize

      33KB

      MD5

      06c6fa9558585147c13a580261fc9d18

      SHA1

      2181bb51dedc730da900318cbab45d37ff9be97d

      SHA256

      2b1e8c69cba6382ac3f62dc217810640eaf414830dc30c1862321a0379f091f1

      SHA512

      e88458dbd8f46e199e1f80e2443c8688f0134d28efdc0466b4de6a37d0831e4f59d7afd4bc9d79f91aa85c3c66867fc903d89af2d232cfda7798b5b2c5f8cafd

    • memory/1212-18-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

    • memory/1212-19-0x0000000001410000-0x0000000001415000-memory.dmp

      Filesize

      20KB

    • memory/1212-20-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

    • memory/2736-0-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

    • memory/2736-1-0x0000000000510000-0x0000000000515000-memory.dmp

      Filesize

      20KB

    • memory/2736-8-0x0000000000A40000-0x0000000000A50000-memory.dmp

      Filesize

      64KB

    • memory/2736-9-0x0000000000A50000-0x0000000000A55000-memory.dmp

      Filesize

      20KB

    • memory/2736-10-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

    • memory/2736-14-0x0000000000510000-0x0000000000515000-memory.dmp

      Filesize

      20KB