Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-05-2024 09:58

General

  • Target

    1efb50439e1f8cf65915273d7b4097495532c8c9bf3307b14658ce7f4397d5ed.exe

  • Size

    225KB

  • MD5

    49c6b8a547939ab25c44f6c2e41ebaed

  • SHA1

    9b71bf85b5b40a5065accd5017b034d00dfcf1a2

  • SHA256

    1efb50439e1f8cf65915273d7b4097495532c8c9bf3307b14658ce7f4397d5ed

  • SHA512

    cf8d0d4c290a7a15da3c6e36d8e786c17a8966e46f546ef4cf8fd2d378003f1e0a0234388b9b3a6b1c540d3e5886a2155e57b9960c4f3ad48beae65f05edd281

  • SSDEEP

    6144:cA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:cATuTAnKGwUAW3ycQqgf

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2624
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      PID:3512
      • C:\Users\Admin\AppData\Local\Temp\1efb50439e1f8cf65915273d7b4097495532c8c9bf3307b14658ce7f4397d5ed.exe
        "C:\Users\Admin\AppData\Local\Temp\1efb50439e1f8cf65915273d7b4097495532c8c9bf3307b14658ce7f4397d5ed.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:264
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2368
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 300
            4⤵
            • Program crash
            PID:3592
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 264 -s 728
          3⤵
          • Program crash
          PID:980
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
      1⤵
      • Modifies data under HKEY_USERS
      PID:1080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2368 -ip 2368
      1⤵
        PID:2748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 264 -ip 264
        1⤵
          PID:1524

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Replay Monitor

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        Downloads

        • memory/264-1-0x0000000004680000-0x0000000004CD8000-memory.dmp
          Filesize

          6.3MB

        • memory/264-2-0x00000000023A0000-0x00000000023A1000-memory.dmp
          Filesize

          4KB

        • memory/264-6-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/264-10-0x0000000005890000-0x0000000006290000-memory.dmp
          Filesize

          10.0MB

        • memory/264-14-0x0000000005890000-0x0000000006290000-memory.dmp
          Filesize

          10.0MB

        • memory/264-18-0x0000000004680000-0x0000000004CD8000-memory.dmp
          Filesize

          6.3MB

        • memory/2624-13-0x0000000000070000-0x0000000000076000-memory.dmp
          Filesize

          24KB

        • memory/2624-19-0x0000000000070000-0x0000000000076000-memory.dmp
          Filesize

          24KB

        • memory/3512-4-0x0000000002010000-0x0000000002016000-memory.dmp
          Filesize

          24KB

        • memory/3512-5-0x0000000002010000-0x0000000002016000-memory.dmp
          Filesize

          24KB

        • memory/3512-11-0x0000000002040000-0x0000000002046000-memory.dmp
          Filesize

          24KB