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Analysis

  • max time kernel
    159s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/01/2024, 08:58

General

  • Target

    406e390c04f7e44489d9fccc11d052be.exe

  • Size

    4.8MB

  • MD5

    406e390c04f7e44489d9fccc11d052be

  • SHA1

    6ed88d399fc6db8493cdbdabbfca3c575d075972

  • SHA256

    6c5ebd2b8cac3b53298122da85e163df0007eca7d8fcb5357b250ad0b36ef916

  • SHA512

    685a80a6862ef650c0695644c92662e5f27d23e20476cace1ffe15e394c86424ab13ef08c5b0b20ac3f262b254a11cd13cbe4f2492cecde79bb06fcb813fc0fd

  • SSDEEP

    98304:PX40aAlHVvAK3fIbDZi9/nbSpDqs6D7+yazx14:vjlHOK3fcZuSkX+ya0

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 27 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\406e390c04f7e44489d9fccc11d052be.exe
    "C:\Users\Admin\AppData\Local\Temp\406e390c04f7e44489d9fccc11d052be.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Users\Admin\AppData\Local\Temp\is-0CA66.tmp\406e390c04f7e44489d9fccc11d052be.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0CA66.tmp\406e390c04f7e44489d9fccc11d052be.tmp" /SL5="$B005C,4331755,721408,C:\Users\Admin\AppData\Local\Temp\406e390c04f7e44489d9fccc11d052be.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Program Files (x86)\Porro\ut\Exercitationem.exe
        "C:\Program Files (x86)\Porro/\ut\Exercitationem.exe" 2c01271b758834e432ce522b824c5313
        3⤵
        • Executes dropped EXE
        PID:1476
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 852
          4⤵
          • Program crash
          PID:2776
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1476 -ip 1476
    1⤵
      PID:2076

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Porro\ut\Exercitationem.exe

      Filesize

      4.9MB

      MD5

      0b8e19c68989028b845f26d445654dde

      SHA1

      58fea89b18ebbfcd6aec54f7785eb005dc5ec04f

      SHA256

      051fefe663ff43a9d4a0f3ebf059beea7df501f3d8e339a1620d7a460ffd27d8

      SHA512

      9a3c7df7edf241b0b3f53ca52476da68de42ab821ef67c924a93255b7e052f146ef48b4f8f078fa9fab0a1e6472239d8ffef98e65529b0b3997858675ac619cb

    • C:\Users\Admin\AppData\Local\Temp\is-0CA66.tmp\406e390c04f7e44489d9fccc11d052be.tmp

      Filesize

      2.4MB

      MD5

      3fddfbaa9d029821152e746edbabf7ce

      SHA1

      703690b3a2377047f6755e9b5274d608791b8062

      SHA256

      787cef456bd60075199c04ac38dd5e65291bd3a930b132538889e4dafb76fa1a

      SHA512

      fd50e763c6523022f1be02a6a690d2a2dec4e9a73c941314b4a810bbd7605d4058c5c49c53dcbdd8fde5e6c4d2c78fcec52b5bca087cbf552bc1ce90819c4903

    • C:\Users\Admin\AppData\Local\Temp\is-G0PV3.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/1476-77-0x0000000004670000-0x0000000004671000-memory.dmp

      Filesize

      4KB

    • memory/1476-70-0x0000000000400000-0x00000000016FE000-memory.dmp

      Filesize

      19.0MB

    • memory/1476-88-0x0000000000400000-0x00000000016FE000-memory.dmp

      Filesize

      19.0MB

    • memory/1476-68-0x0000000004670000-0x0000000004671000-memory.dmp

      Filesize

      4KB

    • memory/1476-67-0x0000000000400000-0x00000000016FE000-memory.dmp

      Filesize

      19.0MB

    • memory/1476-65-0x0000000000400000-0x00000000016FE000-memory.dmp

      Filesize

      19.0MB

    • memory/1616-90-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB

    • memory/1616-12-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB

    • memory/1616-6-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB

    • memory/1616-0-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB

    • memory/5104-42-0x0000000000400000-0x0000000000679000-memory.dmp

      Filesize

      2.5MB

    • memory/5104-69-0x0000000000400000-0x0000000000679000-memory.dmp

      Filesize

      2.5MB

    • memory/5104-5-0x0000000000850000-0x0000000000851000-memory.dmp

      Filesize

      4KB

    • memory/5104-66-0x0000000000850000-0x0000000000851000-memory.dmp

      Filesize

      4KB

    • memory/5104-89-0x0000000000400000-0x0000000000679000-memory.dmp

      Filesize

      2.5MB

    • memory/5104-11-0x0000000000400000-0x0000000000679000-memory.dmp

      Filesize

      2.5MB