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Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 07:01

General

  • Target

    0d55c3e47ab628c2cd9908d868715f7f.exe

  • Size

    86KB

  • MD5

    0d55c3e47ab628c2cd9908d868715f7f

  • SHA1

    c6c983efba89aa61dcd2247c8771630ec00e9bcf

  • SHA256

    710a3d73ea64dde20329a66cdc1c1267c380b501407924d2872ba8e1bbce3ef0

  • SHA512

    6b42838930f09e7f4d1792f9c73afa8d948f82ddd593931966ee1f0125d54f5df15a36ee2d0d75e243bd8060ade7fbf96876a40d6fbaf678c2420b1a25adb7d4

  • SSDEEP

    1536:XYueX5YXNGQafXCbHRFEm88L2zYGp3JlMT4a26KLaDz:o2FgLm88LaY6Tg4a26KLaDz

Score
8/10

Malware Config

Signatures

  • Creates new service(s) 1 TTPs
  • Modifies service settings 1 TTPs

    Alters the configuration of existing services.

  • Sets DLL path for service in the registry 2 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d55c3e47ab628c2cd9908d868715f7f.exe
    "C:\Users\Admin\AppData\Local\Temp\0d55c3e47ab628c2cd9908d868715f7f.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Progra~1\%Program Files%\Dest.bat""
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Windows\SysWOW64\sc.exe
        sc \\10.127.0.84 create "WinAudio" binpath= "cmd.exe /c C:\PROGRA~1\%PROGR~1\Cest.bat" start= auto type= interact type= own displayname= "WinAudio"
        3⤵
        • Launches sc.exe
        PID:2272
      • C:\Windows\SysWOW64\sc.exe
        sc \\10.127.0.84 config "WinAudio" binpath= "cmd.exe /c C:\PROGRA~1\%PROGR~1\Cest.bat" start= auto type= interact type= own obj= localsystem password= ""
        3⤵
        • Launches sc.exe
        PID:2224
      • C:\Program Files\%Program Files%\laass.exe
        "C:\Program Files\%Program Files%\laass.exe" 111.URL main
        3⤵
        • Sets DLL path for service in the registry
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        PID:2744
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" 111.URL main
      2⤵
      • Sets DLL path for service in the registry
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:840
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\0D55C3~1.EXE > nul & rd c:\%Progr~1 > nul
      2⤵
      • Deletes itself
      PID:2292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~1\%Program Files%\111.URL

    Filesize

    63KB

    MD5

    04db368b8459cdf3f2295f216ae565cd

    SHA1

    6a1b47d24b46c15cfdd2f898aa9b5460d184798c

    SHA256

    b2f1d0bde21b848f813d36e6508ac6bd5c2717a41d161a37648a010e36cc5fc7

    SHA512

    efb806339228458cf48d6872780ded0eae0dc99851be959e6d6a2d56f4e70b5ebf0ab3d68b48716ae9fd0cf41946e688b1031291dca243b12bd1a047a149ab45

  • C:\PROGRA~1\%Program Files%\Dest.BAt

    Filesize

    2KB

    MD5

    53f7860f3118f5fd1607767cda0773a5

    SHA1

    424b43bc8e4c9019f6616ea61bbfdf3c58df30a9

    SHA256

    2ca836f7a6b872cc70f845f96b1d9a8dd46fe96080e5e0219318c19507fb54dd

    SHA512

    dc948ec57b291c42d07c35b35f99b2886e74d418c2236fce95dae4325a1d3e6240ee28b1cd0abf2586a39b3bbea9ba30771480887585ddefee3e5861be6809e9

  • C:\Program Files\%Program Files%\laass.exe

    Filesize

    9KB

    MD5

    359c541c07a39ab11bb45aad29b2d2ce

    SHA1

    3c4f277f184ae306a4d0efe1bcb9e03ecabbb9b7

    SHA256

    6e2378348ebebf5b301744fedb0be396ef4e7e92ad94877da79eed9eb46850d5

    SHA512

    768050272dd4875a4c2a6a96f6337334c05d1512dfc0cc9ceee883a7c701de5e2e90872a6f9029de5b528b74c07cb8aa61c10f9f9e834f8021e9759136fcfbff

  • \??\c:\ntldr.sys

    Filesize

    73B

    MD5

    d48e2c2f2ccbd4b6d7e7c0e113227513

    SHA1

    422604808c8a8fe52708b1786366bb388fb8636f

    SHA256

    401dad9a900b2fc5af77c3d64567f31cc4953d97e14b2b95a9677b4c0159ea49

    SHA512

    34acead308f248141946f3a19ebc47494c019b3c5048b0a3882c7d5dd89cbd9395873abd642d9a7eddfee841f31e10cc7ebf6aa261f0305f7751fe2ec7c29032

  • memory/840-20-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB

  • memory/840-21-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB

  • memory/840-29-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB

  • memory/840-54-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB

  • memory/2744-51-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB

  • memory/2744-53-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB

  • memory/2744-55-0x0000000010000000-0x0000000010039000-memory.dmp

    Filesize

    228KB