Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2024, 06:24

General

  • Target

    83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe

  • Size

    90KB

  • MD5

    21998c4259aa218ed4eb939243d40c80

  • SHA1

    a958a7d2fdde5ca49303d6350c270a2a63753464

  • SHA256

    83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07c

  • SHA512

    dfa66b2a28ed4960e2871d0299c7820c896dbfb48475f23caa9163e190d3318caa726177433f138b655cfefaf3b02dab7aa803f7c4874233c3d9ce733e0e5ce6

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 24 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\83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe
    "C:\Users\Admin\AppData\Local\Temp\83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe
      "C:\Users\Admin\AppData\Local\Temp\83f90cbb6a23f75ecc3c89f60877fbbb2cd466bfe6a941c5dead988adc50f07cN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\EDQHU.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:804
        • 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:1672
      • 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:2876
        • 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:1368
        • 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:1488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    071be1efa70b1920b9616059b3287ec1

    SHA1

    75f5bb8297308f290bc42da4fdef50a03cc1e147

    SHA256

    fe4906302455859c2bcc6e6ec86c6fe4338cb9d9e60dc686160e9b15b27f7876

    SHA512

    d9b209e1e6f0caa57e4e4210bb645e02991221416144fe255ac36d5b5cff96077a4f45a14fb709b174f2edff06e4d8ac7814305b816a091ca821facc9dd13737

  • memory/1236-70-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/1236-78-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1236-16-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1236-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1236-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1236-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1236-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1236-108-0x0000000000490000-0x00000000004E3000-memory.dmp

    Filesize

    332KB

  • memory/1236-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1236-106-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1236-105-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1236-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1236-28-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1236-60-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/1236-15-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/1236-40-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1236-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1236-79-0x0000000000390000-0x0000000000392000-memory.dmp

    Filesize

    8KB

  • memory/1368-253-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1368-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1488-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1488-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2876-169-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2876-159-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2876-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2876-179-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2876-182-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2908-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2908-149-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2908-150-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2908-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2908-178-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2908-151-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2908-152-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2908-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2908-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2908-252-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2908-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2908-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2908-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2908-251-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2908-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2908-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2908-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB