Analysis

  • max time kernel
    149s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 01:17

General

  • Target

    bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe

  • Size

    90KB

  • MD5

    6f95d6df03c782b20af78ca116751266

  • SHA1

    74048f210a4664c9bb5fda2310f62799c5d2fbdf

  • SHA256

    bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5

  • SHA512

    4ed531c5a1a2d7655118420d58f8cd004b3ed41b8fc7f029b174abd00c73f347b9a60cb49662f91a70aa0df0ed4a8f923aff2dc6f800bf8c4798d060d03bff11

  • SSDEEP

    1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDN:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE37

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 27 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\bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe
    "C:\Users\Admin\AppData\Local\Temp\bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Users\Admin\AppData\Local\Temp\bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe
      "C:\Users\Admin\AppData\Local\Temp\bff33c010d44e33da79a9dfd7e401528ba39f18f95eb68c84358634363ccb6e5.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1168
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\APQNW.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3024
        • 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:2096
      • 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:2000
        • 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:2228
        • 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:1452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    d49d867fb0af04e6b2170919939ea130

    SHA1

    b855aec708aa712234accae32a0166bbb4205b43

    SHA256

    48dabd5d215391700256915b9978be9f1961b0f9467ec0fbabd786d930de4281

    SHA512

    ad2de42fe43e1b5da7a071cbf8a3f803b53598464e808d26e9ed8486231922dfde0fdd4182836ba4957b0dffd1a5dd25fa090113a26f862a4d4dfb5c4afd1e50

  • memory/972-73-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/972-3-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/972-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/972-69-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-27-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-30-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/972-86-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-5-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/972-107-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-26-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/972-102-0x0000000002560000-0x00000000025B3000-memory.dmp

    Filesize

    332KB

  • memory/972-101-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-42-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/972-22-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-62-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB

  • memory/972-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-83-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/972-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/972-81-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1168-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-105-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-110-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-111-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-113-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-103-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1168-152-0x00000000028D0000-0x0000000002923000-memory.dmp

    Filesize

    332KB

  • memory/1168-159-0x00000000028D0000-0x0000000002923000-memory.dmp

    Filesize

    332KB

  • memory/1168-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-97-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-156-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1168-157-0x00000000028D0000-0x0000000002923000-memory.dmp

    Filesize

    332KB

  • memory/1452-254-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1452-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2000-183-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2000-225-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2000-219-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2000-172-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2000-257-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2000-162-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2228-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB