Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2024, 19:47

General

  • Target

    f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe

  • Size

    90KB

  • MD5

    35d28480c6da8171d4adbdbf988dae10

  • SHA1

    37c67d18e95a89e47078046af28cbc158f20e7a1

  • SHA256

    f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251

  • SHA512

    d603a9fd90b160b7dc96f0980af1e30755b02b31324180ea8469de07b357eacdc7988a940ace9b34ea0f94a2054c37e1b603fcb427e0ad819087034878a1f6ba

  • 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 21 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\f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe
    "C:\Users\Admin\AppData\Local\Temp\f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe
      "C:\Users\Admin\AppData\Local\Temp\f3d1cbfda460d3b9df46f87bab143240ec1d16bc0a8ed2a4cf0c2e0ce51d2251N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2644
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\PDGCA.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2088
        • 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:636
      • 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:2952
        • 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:2516
        • 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:1792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    dd4ab568c2e837f2a15790e55bca872d

    SHA1

    4b90b9b1bd7e81d479347e4b6da5fda8fc318b23

    SHA256

    51972c328601e03cfec8f06e9876108c1d65197d80c29ffe6b9794660ac8b179

    SHA512

    5db6b183467993c0fd0c0cebffb691e16464e51cc54f89eeb15492aa6afade7e6beeaa0a8bfcad028f97ae7d7c9eeb92ae4abb9a2c19d21b157f28c26221fb20

  • memory/1792-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1792-255-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2516-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2524-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/2524-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2524-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-100-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-25-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2524-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2524-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2524-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2524-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/2524-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2524-29-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB

  • memory/2524-41-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2644-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2644-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-92-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-149-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2644-148-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2644-147-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2644-146-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2644-133-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2644-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-248-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2644-250-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2644-253-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2644-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-90-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2644-254-0x00000000030D0000-0x0000000003123000-memory.dmp

    Filesize

    332KB

  • memory/2952-247-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2952-167-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/2952-178-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2952-212-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2952-157-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB