Analysis

  • max time kernel
    133s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 23:57

General

  • Target

    lianxuextbsq_33lc.com/lx_speed 1.5 beta1.exe

  • Size

    2.2MB

  • MD5

    d5fdd0a32bc734cc4abb7c39921c0051

  • SHA1

    cca76e39f9c9e7a9dbb4544b275669e297edc522

  • SHA256

    b3e4ec4f0233a46af22a024643deae26f6b1455b45dba5f5a3d6d59019a4b172

  • SHA512

    e354883e69d7d538a7c37042d1b1ebf7499b987dba4d0464da492f9f9963c646689b394c069abfeaabc2ced9818511dd51e5685e29adace962c969b43f03a7cf

  • SSDEEP

    49152:HeZ6epYyulT8r+d/PJOwKkfbPqm9QpDHfjuWULBtmQqvzUHe:HeseyvPJh9f2m9Q9HftULTmvvzUHe

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 5 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 4 IoCs

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

  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 25 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lianxuextbsq_33lc.com\lx_speed 1.5 beta1.exe
    "C:\Users\Admin\AppData\Local\Temp\lianxuextbsq_33lc.com\lx_speed 1.5 beta1.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
      C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:888
      • C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
        C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4220
        • C:\program files\internet explorer\IEXPLORE.EXE
          "C:\program files\internet explorer\IEXPLORE.EXE"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:544
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:544 CREDAT:17410 /prefetch:2
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
    Filesize

    702KB

    MD5

    c7734ebabc26a1989a0f151abe699a18

    SHA1

    4bfc5c8f96d220b0b768b266f0ad9a6020644938

    SHA256

    2e6a28f71058d8641fa251a1327ff4f9a7891cb1a7079f1aa3da1713cfcf585b

    SHA512

    e4e6fe6ec0c64ef4357921ed551f7436128e9ce3f86d8a939217023db78351080c09b78d6b0e9d7d6874d807e63ac62a0bc97d2782c673d3ef42a1323c4eb4bf

  • C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
    Filesize

    702KB

    MD5

    c7734ebabc26a1989a0f151abe699a18

    SHA1

    4bfc5c8f96d220b0b768b266f0ad9a6020644938

    SHA256

    2e6a28f71058d8641fa251a1327ff4f9a7891cb1a7079f1aa3da1713cfcf585b

    SHA512

    e4e6fe6ec0c64ef4357921ed551f7436128e9ce3f86d8a939217023db78351080c09b78d6b0e9d7d6874d807e63ac62a0bc97d2782c673d3ef42a1323c4eb4bf

  • C:\Users\Admin\AppData\Local\Temp\LianXue_WPE.exe
    Filesize

    702KB

    MD5

    c7734ebabc26a1989a0f151abe699a18

    SHA1

    4bfc5c8f96d220b0b768b266f0ad9a6020644938

    SHA256

    2e6a28f71058d8641fa251a1327ff4f9a7891cb1a7079f1aa3da1713cfcf585b

    SHA512

    e4e6fe6ec0c64ef4357921ed551f7436128e9ce3f86d8a939217023db78351080c09b78d6b0e9d7d6874d807e63ac62a0bc97d2782c673d3ef42a1323c4eb4bf

  • memory/888-143-0x0000000000400000-0x0000000000565000-memory.dmp
    Filesize

    1.4MB

  • memory/888-136-0x0000000000000000-mapping.dmp
  • memory/2920-135-0x0000000000400000-0x00000000008EB000-memory.dmp
    Filesize

    4.9MB

  • memory/2920-133-0x0000000000400000-0x00000000008EB000-memory.dmp
    Filesize

    4.9MB

  • memory/2920-132-0x0000000000400000-0x00000000008EB000-memory.dmp
    Filesize

    4.9MB

  • memory/2920-147-0x0000000000400000-0x00000000008EB000-memory.dmp
    Filesize

    4.9MB

  • memory/4220-139-0x0000000000000000-mapping.dmp
  • memory/4220-140-0x0000000000400000-0x00000000004BE000-memory.dmp
    Filesize

    760KB

  • memory/4220-142-0x0000000000400000-0x00000000004BE000-memory.dmp
    Filesize

    760KB

  • memory/4220-144-0x0000000000400000-0x00000000004BE000-memory.dmp
    Filesize

    760KB

  • memory/4220-145-0x0000000000400000-0x00000000004BE000-memory.dmp
    Filesize

    760KB

  • memory/4220-146-0x0000000000400000-0x00000000004BE000-memory.dmp
    Filesize

    760KB