Analysis

  • max time kernel
    119s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/01/2025, 08:53

General

  • Target

    b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe

  • Size

    90KB

  • MD5

    eff4d588d41b3a4fcc6809916e5091d0

  • SHA1

    445593094074ec6b3b2927963a1c9b2d2c71ad97

  • SHA256

    b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4

  • SHA512

    b3a8a4da93a33da06dfdef69f91f8c64793cbcaa458cb2ac61d0232ca8b951caf32ab8644aa94ae298279db016baca1cfffac1ca84e7480f957b7a568806a9ce

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDX:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3t

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 22 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe
    "C:\Users\Admin\AppData\Local\Temp\b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe
      "C:\Users\Admin\AppData\Local\Temp\b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\TCNSP.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:236
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:1860
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2492
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\TCNSP.bat

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

  • \Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

    Filesize

    90KB

    MD5

    3a4ad89cf106d2c5921688f61ffeb5d2

    SHA1

    2a38686c314e230bdc0f25f2db40c599fb888adf

    SHA256

    9c0527885a2e29408070d4cff36a8201e72eac688ab712e17c5a6c220be70241

    SHA512

    a168a48eb1e4905df10b8f8ba612e7a8669e22e50209a30f9dc953034ca78c096c841b64bdb988ca9ca96344fc553376e9e7051d6d6056a607697138515e7ff9

  • memory/932-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/932-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1900-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-147-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/1900-244-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/1900-149-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/1900-150-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/1900-206-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/1900-216-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/1900-148-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/1900-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1900-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-155-0x0000000003100000-0x0000000003153000-memory.dmp

    Filesize

    332KB

  • memory/2492-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2596-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2596-158-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2596-217-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2596-179-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2596-168-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2596-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-80-0x0000000001CB0000-0x0000000001CB2000-memory.dmp

    Filesize

    8KB

  • memory/2692-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-97-0x0000000002770000-0x00000000027C3000-memory.dmp

    Filesize

    332KB

  • memory/2692-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-29-0x00000000005F0000-0x00000000005F1000-memory.dmp

    Filesize

    4KB

  • memory/2692-41-0x0000000001BF0000-0x0000000001BF1000-memory.dmp

    Filesize

    4KB

  • memory/2692-71-0x0000000001C90000-0x0000000001C91000-memory.dmp

    Filesize

    4KB

  • memory/2692-61-0x0000000001C30000-0x0000000001C31000-memory.dmp

    Filesize

    4KB

  • memory/2692-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2692-15-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2692-19-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2692-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/2692-5-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB