Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2025 17:19

General

  • Target

    690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe

  • Size

    90KB

  • MD5

    46045077f9a17dd82f618f1af43531a0

  • SHA1

    a86dc1da7c5f4782c744f982eb29ea5c420a1e3d

  • SHA256

    690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9

  • SHA512

    ea9fcb8f784013062907825cf5cc062be7c031695788b115f829f32d18437d2fec9ca578f46b258e72665af08d27df99b8fbdb3fb8c84ef4b17df9205f435766

  • 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 2 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 23 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\690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe
    "C:\Users\Admin\AppData\Local\Temp\690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe
      "C:\Users\Admin\AppData\Local\Temp\690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BWTSW.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1312
        • 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:1176
      • 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:956
        • 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:1560
        • 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:1900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    44a9929be8bddbf1baeadb630616d97c

    SHA1

    f96a9faf0f69870aa30fe1b7893fb8362afd59c7

    SHA256

    c941c4616bfc6a588ea1193dbb3d4a3c715b31ece942818f6f43bff3a18326bb

    SHA512

    ad6095ba80e894b13f21f34a073395cddeb47998a5e44440213ae37737c493b700bf795b76b597884dcf6369e7a0d129b4ca0b4b5d25cf81a9538ae93ba0e028

  • memory/956-253-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/956-178-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/956-212-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/956-167-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/956-157-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/956-151-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1560-259-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1900-260-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1900-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2548-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2548-84-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-102-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2548-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2548-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2548-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-79-0x0000000000680000-0x0000000000682000-memory.dmp

    Filesize

    8KB

  • memory/2548-71-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB

  • memory/2548-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2548-29-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2548-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2548-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2548-91-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2636-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2636-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2636-134-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2636-147-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2636-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2636-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2636-100-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2636-249-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2636-148-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2636-149-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2636-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2636-258-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2636-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2636-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2636-250-0x0000000003140000-0x0000000003193000-memory.dmp

    Filesize

    332KB

  • memory/2636-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2636-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB