Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 05:50

General

  • Target

    7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe

  • Size

    90KB

  • MD5

    7829dd13c12b5e1cf5de0f0b69e066a0

  • SHA1

    b353ca4d9889674d39728be21b8e7b24bfdd4c04

  • SHA256

    e509fff53bbb2ac76ec56dedeef51bee2b1203f4a8564bbeab0803e2fa06946f

  • SHA512

    fd9e9e41905d34fddc67fa726a273209e59945eca57f5c16f1ba0d5628b89d516d0f39b147972f36f442d9048e4f2b06f05b06bb0e571721b2d0523990d1878a

  • 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 Second Stage 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4548
    • C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe
      "C:\Users\Admin\AppData\Local\Temp\7829dd13c12b5e1cf5de0f0b69e066a0_NEAS.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:636
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BVAXL.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4520
        • 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
          PID:3808
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2840
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2484
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:3908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BVAXL.txt

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    5ef567104905e70bfb731a4279cfca65

    SHA1

    42508a341ab10e6192c3804ee015b6beb2530ecc

    SHA256

    96c1df5906954563dee8ff38c33acf03840b597230449eda691e6ceae8b8608d

    SHA512

    07533ba71e711c8bb5377e7bba7be7e35eca215999260d8c155cb6bae3596d4170aac376662ec63e41f2ae507c6cabc1b01f7754865dc964b3f2a2b6b197b717

  • memory/636-13-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/636-3-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/636-10-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/636-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2484-56-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2484-61-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2840-50-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2840-37-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2840-43-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/3908-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3908-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3908-54-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3908-55-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3908-52-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3908-62-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4548-8-0x0000000002A40000-0x0000000002A42000-memory.dmp

    Filesize

    8KB

  • memory/4548-7-0x0000000002A30000-0x0000000002A32000-memory.dmp

    Filesize

    8KB

  • memory/4548-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4548-5-0x0000000002A20000-0x0000000002A22000-memory.dmp

    Filesize

    8KB

  • memory/4548-9-0x0000000002A50000-0x0000000002A52000-memory.dmp

    Filesize

    8KB

  • memory/4548-12-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB