Analysis

  • max time kernel
    119s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2024, 14:54

General

  • Target

    f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe

  • Size

    90KB

  • MD5

    43676da455fd1bf64a8fa72b6f7d373e

  • SHA1

    91fa5a048de0ee6501028ad5cceae93c1de1b7a7

  • SHA256

    f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd

  • SHA512

    b56c323347aad2cd982d70a766effd1885d58690c1a766298c871efd5d47e52dced7ad1b1556aab3e8f94ed6848cdf1422089c1ecda1f04e95af5d2575cb198a

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3r

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 25 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\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
    "C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe
      "C:\Users\Admin\AppData\Local\Temp\f44cc93f32559f5b62565ffb4c841fdc09d083f2b2d2eae4a5c9fb4530fd23dd.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\JFESI.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1884
        • 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:824
      • 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:2788
        • 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:2500
        • 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:1120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    d64bd7711a0d9ba7424c5fc026207a51

    SHA1

    628f968b70348bd9264b56c7c1b0fb1e9903433e

    SHA256

    a610d763e5d9089a83855196a47a7f7fd21c331b09726c43b0687421e57b00a2

    SHA512

    b2963b178afe06a13bb7312fc6bb3e4f78b15f99a38836b8a1eb2de0e87f6a03729190f21026a5bebb727d45b5bac35d9c8ddaeb17c655a88680efc6eb1000f1

  • memory/1120-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1120-252-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2336-38-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2336-28-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2336-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2336-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2336-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2336-111-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2336-108-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2336-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2336-61-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2336-71-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2336-17-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2336-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2336-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2336-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2336-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2336-81-0x00000000003A0000-0x00000000003A2000-memory.dmp

    Filesize

    8KB

  • memory/2336-80-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2336-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2500-251-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2500-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-150-0x0000000003270000-0x00000000032C3000-memory.dmp

    Filesize

    332KB

  • memory/2536-149-0x0000000003270000-0x00000000032C3000-memory.dmp

    Filesize

    332KB

  • memory/2536-148-0x0000000003270000-0x00000000032C3000-memory.dmp

    Filesize

    332KB

  • memory/2536-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2536-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-247-0x0000000003270000-0x00000000032C3000-memory.dmp

    Filesize

    332KB

  • memory/2536-249-0x0000000003270000-0x00000000032C3000-memory.dmp

    Filesize

    332KB

  • memory/2536-254-0x0000000003270000-0x00000000032C3000-memory.dmp

    Filesize

    332KB

  • memory/2536-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-260-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2536-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2788-256-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2788-167-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2788-228-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2788-178-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/2788-157-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB