Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-02-2024 10:31

General

  • Target

    a1a51c4fdb12f98d8deded6b3fa7e134.exe

  • Size

    4.3MB

  • MD5

    a1a51c4fdb12f98d8deded6b3fa7e134

  • SHA1

    75c4526481d8fd21eb8f95ee79deb2a46510d054

  • SHA256

    e20006f8b7efda9c0afc5ca6535feea382682bf30e0d672f5612aa4fe47193eb

  • SHA512

    a1bdd80e31c7456f22225f036479a77578b0b9d71f4078a796b929265b32949b9478371b68444936c7f97dfe883d07c2e403a0372dffa730e759c00d70121911

  • SSDEEP

    98304:PX46m9PSck13gWiaEuSWv4THJ0oSuDEROyazx14:vPm96pgWiaxSm4rJ0oSgEEya0

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 1 IoCs

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

  • 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 24 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1a51c4fdb12f98d8deded6b3fa7e134.exe
    "C:\Users\Admin\AppData\Local\Temp\a1a51c4fdb12f98d8deded6b3fa7e134.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Users\Admin\AppData\Local\Temp\is-0E4BV.tmp\a1a51c4fdb12f98d8deded6b3fa7e134.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0E4BV.tmp\a1a51c4fdb12f98d8deded6b3fa7e134.tmp" /SL5="$401DE,3769620,721408,C:\Users\Admin\AppData\Local\Temp\a1a51c4fdb12f98d8deded6b3fa7e134.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:1948
      • C:\Program Files (x86)\Omnis\dolores\Placeat.exe
        "C:\Program Files (x86)\Omnis/\dolores\Placeat.exe" 466f2c53cd2a1a7a92f8efdd5d1fe027
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:2192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 820
          4⤵
          • Program crash
          PID:3816
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2192 -ip 2192
    1⤵
      PID:956

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Omnis\dolores\Placeat.exe

      Filesize

      2.4MB

      MD5

      0a618b65fd81a1179d2b448dba0cab86

      SHA1

      36950f1250d56d414c6882b198349b0bd09f2ce1

      SHA256

      9bc9a43e3630178e05529776b2859158a37669a215bc0e2b026b30c275b8cef9

      SHA512

      72adaa02d647b244098f593f2a7c4ef46d6de959336e60f371572cf24a8723c98adc472fe7b95bd4cbb596aa061b9c83fb74c79e1e55bf5426c699a07dfa59dd

    • C:\Program Files (x86)\Omnis\dolores\sqlite3.dll

      Filesize

      630KB

      MD5

      e477a96c8f2b18d6b5c27bde49c990bf

      SHA1

      e980c9bf41330d1e5bd04556db4646a0210f7409

      SHA256

      16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

      SHA512

      335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

    • C:\Users\Admin\AppData\Local\Temp\is-0E4BV.tmp\a1a51c4fdb12f98d8deded6b3fa7e134.tmp

      Filesize

      2.4MB

      MD5

      3fddfbaa9d029821152e746edbabf7ce

      SHA1

      703690b3a2377047f6755e9b5274d608791b8062

      SHA256

      787cef456bd60075199c04ac38dd5e65291bd3a930b132538889e4dafb76fa1a

      SHA512

      fd50e763c6523022f1be02a6a690d2a2dec4e9a73c941314b4a810bbd7605d4058c5c49c53dcbdd8fde5e6c4d2c78fcec52b5bca087cbf552bc1ce90819c4903

    • C:\Users\Admin\AppData\Local\Temp\is-S032I.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/1948-60-0x0000000000400000-0x0000000000679000-memory.dmp

      Filesize

      2.5MB

    • memory/1948-5-0x0000000000950000-0x0000000000951000-memory.dmp

      Filesize

      4KB

    • memory/1948-67-0x0000000000950000-0x0000000000951000-memory.dmp

      Filesize

      4KB

    • memory/2192-56-0x0000000000400000-0x00000000015EE000-memory.dmp

      Filesize

      17.9MB

    • memory/2192-58-0x0000000004430000-0x0000000004431000-memory.dmp

      Filesize

      4KB

    • memory/2192-57-0x0000000000400000-0x00000000015EE000-memory.dmp

      Filesize

      17.9MB

    • memory/2192-61-0x0000000000400000-0x00000000015EE000-memory.dmp

      Filesize

      17.9MB

    • memory/2192-62-0x0000000060900000-0x0000000060992000-memory.dmp

      Filesize

      584KB

    • memory/4508-59-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB

    • memory/4508-0-0x0000000000400000-0x00000000004BE000-memory.dmp

      Filesize

      760KB