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Analysis

  • max time kernel
    145s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 15:40

General

  • Target

    2a0117738a1b34b2f1a8963596bb0d25.exe

  • Size

    4.8MB

  • MD5

    2a0117738a1b34b2f1a8963596bb0d25

  • SHA1

    1b137d97f462e0647693c5522bbcd2defabc0346

  • SHA256

    298cc1141228a02177e17e0784616a8fdc65ede6c5e19d31c747406341a6699d

  • SHA512

    9f3db105c1dd6550beef53a195bbeaa633b4cdac169999ef8e134133f38f00f70e8242eb9fd73885ca067b86579f42740a9a3a22807948f5b93b134a134d067f

  • SSDEEP

    98304:PX4KdW3dkXx1OAAx1NKiIeRCovBrnxT1Dl9288iyazx14:ve3dUOAAxBLRCovBbpxTya0

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 15 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\2a0117738a1b34b2f1a8963596bb0d25.exe
    "C:\Users\Admin\AppData\Local\Temp\2a0117738a1b34b2f1a8963596bb0d25.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3688
    • C:\Users\Admin\AppData\Local\Temp\is-DKQ7R.tmp\2a0117738a1b34b2f1a8963596bb0d25.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DKQ7R.tmp\2a0117738a1b34b2f1a8963596bb0d25.tmp" /SL5="$F01FE,4359667,721408,C:\Users\Admin\AppData\Local\Temp\2a0117738a1b34b2f1a8963596bb0d25.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:2636
      • C:\Program Files (x86)\Eos\facere\In.exe
        "C:\Program Files (x86)\Eos/\facere\In.exe" a793ac5e706ee9ba57753663540b5f53
        3⤵
        • Executes dropped EXE
        PID:4276
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 848
          4⤵
          • Program crash
          PID:1548
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4276 -ip 4276
    1⤵
      PID:3668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Eos\facere\In.exe

      Filesize

      5.1MB

      MD5

      dbaa3d8da719e7971579e4829c778ff9

      SHA1

      55b97c9e670596120d527baf4cd4d4d59a3ce67e

      SHA256

      d0bdb1a0098f10dbd4fc9caf72981a66c10023845d1f1b55f5d54bf881c1d1b2

      SHA512

      d03f9c880b5cd15f915a46e6fdf7eece740337bcb7eac09a16c4ab74b0f015e3ee8df9e38742626dd73322acd3b887340f3980524438f930475bdd4b957bfbac

    • C:\Users\Admin\AppData\Local\Temp\is-964MT.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-DKQ7R.tmp\2a0117738a1b34b2f1a8963596bb0d25.tmp

      Filesize

      2.4MB

      MD5

      3fddfbaa9d029821152e746edbabf7ce

      SHA1

      703690b3a2377047f6755e9b5274d608791b8062

      SHA256

      787cef456bd60075199c04ac38dd5e65291bd3a930b132538889e4dafb76fa1a

      SHA512

      fd50e763c6523022f1be02a6a690d2a2dec4e9a73c941314b4a810bbd7605d4058c5c49c53dcbdd8fde5e6c4d2c78fcec52b5bca087cbf552bc1ce90819c4903

    • memory/2636-5-0x00000000008A0000-0x00000000008A1000-memory.dmp

      Filesize

      4KB

    • memory/2636-41-0x0000000000400000-0x0000000000679000-memory.dmp

      Filesize

      2.5MB

    • memory/3688-0-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB

    • memory/3688-42-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB

    • memory/4276-37-0x0000000000400000-0x0000000001729000-memory.dmp

      Filesize

      19.2MB

    • memory/4276-36-0x0000000000400000-0x0000000001729000-memory.dmp

      Filesize

      19.2MB

    • memory/4276-38-0x0000000000400000-0x0000000001729000-memory.dmp

      Filesize

      19.2MB

    • memory/4276-39-0x00000000046A0000-0x00000000046A1000-memory.dmp

      Filesize

      4KB

    • memory/4276-40-0x0000000000400000-0x0000000001729000-memory.dmp

      Filesize

      19.2MB