Analysis

  • max time kernel
    141s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2023 12:01

General

  • Target

    ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe

  • Size

    3.5MB

  • MD5

    437dc8431c037b96d421ade7a2a3f277

  • SHA1

    d9c97536c5ff144da6c0c0559b1a24c32a480e97

  • SHA256

    ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc

  • SHA512

    c981e7200c56c7f10e950afd27f8681fbd70902b79bb6f43c3b13dc8d540b03bd551d20448f5a71054e59ed2458a6c386489ab13f3b309e21ebaee2513348a5a

  • SSDEEP

    49152:is5SkP2lS1mdM03aT1PzXPwh11sXIAyT9tN93A4AD:B5SQrWM03o1DPs1sByTC

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe
    "C:\Users\Admin\AppData\Local\Temp\ec472bbcbc089bfdf4973ac80652fd482df082d3b550b68f71d56d93fb9d51dc.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\verclsid.exe
      "C:\Windows\SysWOW64\verclsid.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1992
    • C:\Windows\SysWOW64\choice.exe
      "C:\Windows\SysWOW64\choice.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 112
        3⤵
        • Program crash
        PID:2564
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\EC472B~1.EXE > nul
      2⤵
        PID:2692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 124
      1⤵
      • Program crash
      PID:2992

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1992-2-0x0000000000170000-0x000000000027D000-memory.dmp

      Filesize

      1.1MB

    • memory/1992-4-0x0000000000170000-0x000000000027D000-memory.dmp

      Filesize

      1.1MB

    • memory/1992-6-0x0000000000170000-0x000000000027D000-memory.dmp

      Filesize

      1.1MB

    • memory/1992-3-0x0000000000170000-0x000000000027D000-memory.dmp

      Filesize

      1.1MB

    • memory/2208-16-0x0000000010000000-0x00000000100FD000-memory.dmp

      Filesize

      1012KB

    • memory/2208-0-0x00000000011B0000-0x00000000012EC000-memory.dmp

      Filesize

      1.2MB

    • memory/2208-24-0x00000000011B0000-0x00000000012EC000-memory.dmp

      Filesize

      1.2MB

    • memory/2208-25-0x0000000010000000-0x00000000100FD000-memory.dmp

      Filesize

      1012KB

    • memory/2208-31-0x0000000010000000-0x00000000100FD000-memory.dmp

      Filesize

      1012KB

    • memory/2208-29-0x0000000010000000-0x00000000100FD000-memory.dmp

      Filesize

      1012KB

    • memory/2208-28-0x0000000010000000-0x00000000100FD000-memory.dmp

      Filesize

      1012KB

    • memory/2208-33-0x00000000011B0000-0x00000000012EC000-memory.dmp

      Filesize

      1.2MB

    • memory/2208-38-0x0000000010000000-0x00000000100FD000-memory.dmp

      Filesize

      1012KB

    • memory/2208-50-0x0000000010000000-0x00000000100FD000-memory.dmp

      Filesize

      1012KB

    • memory/2804-13-0x0000000000240000-0x000000000034D000-memory.dmp

      Filesize

      1.1MB