Analysis

  • max time kernel
    119s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 03:29

General

  • Target

    5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe

  • Size

    90KB

  • MD5

    0629323a86230b74a3986879984c7f87

  • SHA1

    03452a15f31e861440512a74a28568db515442ab

  • SHA256

    5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29

  • SHA512

    441a9a19c33cefcd73e1fda2f8ce5312062b18705a04db2b8e5bdc1367f379069c48bfa6fe25d07c5e65585818961e6c646a455ea417453bdaadb69534113370

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE39

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 19 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe
    "C:\Users\Admin\AppData\Local\Temp\5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4192
    • C:\Users\Admin\AppData\Local\Temp\5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe
      "C:\Users\Admin\AppData\Local\Temp\5e5ec57d91224b843f21a64035d9dcef224ff8ba91aa02ce05a6427e2f43ce29.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HWXUD.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:208
        • 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:1900
      • 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:2088
        • 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:4784
        • 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:2292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    27061f91485dd648124cba8a28be545f

    SHA1

    dc4c9cdeeac6ecffbacaad113b59b83c4800d5bd

    SHA256

    4684d110d726d73f6a7a34514250b70110cd4dd1a4fd5cc4c6b52751377d514b

    SHA512

    350d30e8af10c108f956b5e6fc8d88446b77ba1a061ff33bf64fdd070529bb3519b8293de6112fdde133eb90685361d859e2afd09be2d945170eab47bb09e486

  • memory/1544-7-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1544-12-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1544-55-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1544-38-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1544-9-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2088-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2088-39-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2088-48-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2292-56-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2292-43-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2292-58-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2292-57-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2292-59-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2292-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4192-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4192-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

    Filesize

    8KB

  • memory/4192-6-0x0000000002A70000-0x0000000002A72000-memory.dmp

    Filesize

    8KB

  • memory/4192-4-0x0000000002A50000-0x0000000002A52000-memory.dmp

    Filesize

    8KB

  • memory/4192-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4192-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4784-60-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB