Analysis

  • max time kernel
    118s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/01/2025, 15:26 UTC

General

  • Target

    8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe

  • Size

    90KB

  • MD5

    979dc29055c1e1417da1a9928103f9e8

  • SHA1

    46c3b8faf57221aa7701779f1eeb87d6febe3423

  • SHA256

    8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0

  • SHA512

    1a987e11ec01f7602bb78cdb665db0807ec6589c547023f98c9351d0faca585a8937df1d6c75213bcf7542d3716989a67356aeef81ed35c9ccd78f3dffa1bfce

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDi:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3k

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\8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe
    "C:\Users\Admin\AppData\Local\Temp\8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Users\Admin\AppData\Local\Temp\8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe
      "C:\Users\Admin\AppData\Local\Temp\8a6291c0691355bc6f2d4d5536920dfdceef7a676279a06c9ca5d7163b9859b0.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2608
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\LULAV.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1232
        • 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:1248
      • 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:1524
        • 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:316
        • 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:1496

Network

  • flag-us
    DNS
    billabong4102.no-ip.biz
    csrsll.exe
    Remote address:
    8.8.8.8:53
    Request
    billabong4102.no-ip.biz
    IN A
    Response
No results found
  • 8.8.8.8:53
    billabong4102.no-ip.biz
    dns
    csrsll.exe
    69 B
    129 B
    1
    1

    DNS Request

    billabong4102.no-ip.biz

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    7f6e6eb8787166f7ab41386c674c483b

    SHA1

    c4b2ad7d5601d3957b339602e1f28ba598b28be9

    SHA256

    f2229371f54f2709bfa557fa8784ed5d2d1004aebfb5347d8a641e8dc8504f34

    SHA512

    9632ad736633ebb489275aa956217dc6c2d410a720189ec5da963ab7ac587ff8e33118b2c6e98187dd49e1612c69ce37dade6b0137d5ba9f21af9df86eb2cdbe

  • memory/316-263-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1496-266-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1496-252-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1524-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1524-169-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/1524-217-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1524-180-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/1524-159-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/1524-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-90-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-16-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2024-83-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-80-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-71-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2024-3-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2024-5-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2024-13-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2024-81-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2024-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-29-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2024-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2024-61-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2024-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-93-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2024-94-0x0000000001D00000-0x0000000001D53000-memory.dmp

    Filesize

    332KB

  • memory/2608-149-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2608-151-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2608-150-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2608-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-108-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-214-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2608-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-247-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2608-245-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2608-244-0x00000000034B0000-0x0000000003503000-memory.dmp

    Filesize

    332KB

  • memory/2608-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

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