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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 04:48

General

  • Target

    060f6dc3ccb4b63a8e37f4934fc4c619.exe

  • Size

    512KB

  • MD5

    060f6dc3ccb4b63a8e37f4934fc4c619

  • SHA1

    57356c0023ca344f1b5e1228d0b1a361b8543da7

  • SHA256

    37688dc58ae1d75c0b6eb82a9a1463409ec6a2b07366164276f64dc257ea41e9

  • SHA512

    74672fc754e525c695d9d5e3da4bd20be1672a32c7f9cdd72f2e683f972e4a0fa9cd46db4aa1b7d59a5d61a60dcdf14eb951380c0015f60102d98c04e318b0be

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6J:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5i

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\060f6dc3ccb4b63a8e37f4934fc4c619.exe
    "C:\Users\Admin\AppData\Local\Temp\060f6dc3ccb4b63a8e37f4934fc4c619.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\vujxinqdlf.exe
      vujxinqdlf.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\erlaqzur.exe
        C:\Windows\system32\erlaqzur.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2944
    • C:\Windows\SysWOW64\ylqysduoemtbpqk.exe
      ylqysduoemtbpqk.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3020
    • C:\Windows\SysWOW64\erlaqzur.exe
      erlaqzur.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2712
    • C:\Windows\SysWOW64\opsqilhsalpmp.exe
      opsqilhsalpmp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2588
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2128

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      3ade3868e1615486c469287e9c7a1dbc

      SHA1

      bf36842247cbc766a4fc149b94175581089f24be

      SHA256

      025a20a335dc85fda5351c3d064f832138044bba7f05f8885373cfbd1fe2e8e2

      SHA512

      f7168c0a7f0ca2767f1b23f1c4eb52f92dcd80db45ce10224646f425b26f89529b850214b2086333c580836303c735f464f1fcda9b1d3add64fe121ac9c4da06

    • C:\Users\Admin\Documents\StartInstall.doc.exe

      Filesize

      512KB

      MD5

      64b80deaaefda50482a787b39a32b9c3

      SHA1

      45c08d4a6e931fc43f774ee113ceef92efd5a1b6

      SHA256

      f29b3a493cd95af0eba3681e8f375ed87f6cf26ed72c6653a2743c5c904b35ec

      SHA512

      eac96d9414b3ccb9c73eab848f1063cc733ffbb19365f0b09b486bb0723e2d3cbe1577eae53bb6f2dc15e763b989d21d6b8a26861b2215c651d090d0c86aec9c

    • C:\Windows\SysWOW64\erlaqzur.exe

      Filesize

      512KB

      MD5

      e495ce378119b2f1b5369ed5f47fba87

      SHA1

      7c0cdb1ea7c31e63dbe07d60e1cb11de2794d778

      SHA256

      ffb6a1ae54cb2278549b33647c8a26af800d893340fb6c4f600cd364b0f66b2a

      SHA512

      00a2f11a2a25558b562b0c97fbe9a1e82978c4979172b1bbd6597a93c930540cd3f5a137496ac54c1b6216f580a5695f75083d5d41fa9a5371c4d50974aa0091

    • C:\Windows\SysWOW64\ylqysduoemtbpqk.exe

      Filesize

      512KB

      MD5

      621f5b374f03cba908009aa8894c6444

      SHA1

      14363ae61778f27a112b8d5716c9251353e67ad2

      SHA256

      9e9f17997309365a81d440ca67cfa75401cd36adc3f1fa6f162b27bdc85fc150

      SHA512

      eaeb8c0d7b4820ffc61e63c8f98e8187078cd4832dcb6fe81d853888b8112db0c2dc554fd3c6aa2d1609555427d2874ce3b46528b0a1807b377282a78a58b500

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\opsqilhsalpmp.exe

      Filesize

      512KB

      MD5

      d242b8c673c91ff180ed2678225635c1

      SHA1

      2cd1cc2ca278fa51f6c46b8b7ffa05bf258d973b

      SHA256

      d46c62fcd66758ff9bda52a49858416ceb73d092c6854eea7f9e39aa8a0c0b5f

      SHA512

      31fe703a0958a868f37e1f022e6ecad996d9e75d21956c25301979c3ac0ef3713c65cfeeffc42531c748a23956ce1092cda73477b02a0f3f1d7337e36f485651

    • \Windows\SysWOW64\vujxinqdlf.exe

      Filesize

      512KB

      MD5

      3052bce0fad7e829f1ec1dd0d5bc60e8

      SHA1

      d4071bf019b92942a2f954303e5ed0855ce548eb

      SHA256

      07312af6ffb176d2e6007daef1478e6f9fcba9d48c512d6af93da922dc838119

      SHA512

      eb94b0ecc1ad3bd51620a938ed752f2d9b0218ff91931a9c70055a81c2a06bade032891b3aae53ef56d71a087cb9f3da4a5380c0a4f63763473899bf93440fe2

    • memory/1964-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

    • memory/2156-45-0x000000002FDE1000-0x000000002FDE2000-memory.dmp

      Filesize

      4KB

    • memory/2156-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2156-47-0x0000000070F7D000-0x0000000070F88000-memory.dmp

      Filesize

      44KB

    • memory/2156-80-0x0000000070F7D000-0x0000000070F88000-memory.dmp

      Filesize

      44KB

    • memory/2156-101-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB