Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 13:57

General

  • Target

    f275f3ea296d02beba95493794313d8b4fe84582a82d1cc6fcfb52b957be16cdN.exe

  • Size

    90KB

  • MD5

    29ab29c194b3b95460b21252c761e6b0

  • SHA1

    a4dbdb7d9296a86edab3cbc4b20e2e8bd40cea5d

  • SHA256

    f275f3ea296d02beba95493794313d8b4fe84582a82d1cc6fcfb52b957be16cd

  • SHA512

    befc4c06196dd0ff0a5b0f5bf0d2ac2c96b45a06d5423a0519ba5a8b088ddcea589bf4466f515468fc2b21927a5cfa2e150750336e9517f5d41274f0adbd5d92

  • 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 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 23 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\f275f3ea296d02beba95493794313d8b4fe84582a82d1cc6fcfb52b957be16cdN.exe
    "C:\Users\Admin\AppData\Local\Temp\f275f3ea296d02beba95493794313d8b4fe84582a82d1cc6fcfb52b957be16cdN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\f275f3ea296d02beba95493794313d8b4fe84582a82d1cc6fcfb52b957be16cdN.exe
      "C:\Users\Admin\AppData\Local\Temp\f275f3ea296d02beba95493794313d8b4fe84582a82d1cc6fcfb52b957be16cdN.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2940
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\SKTPK.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:620
        • 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:2644
      • 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:1424
        • 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:296
        • 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:2472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    29ab29c194b3b95460b21252c761e6b0

    SHA1

    a4dbdb7d9296a86edab3cbc4b20e2e8bd40cea5d

    SHA256

    f275f3ea296d02beba95493794313d8b4fe84582a82d1cc6fcfb52b957be16cd

    SHA512

    befc4c06196dd0ff0a5b0f5bf0d2ac2c96b45a06d5423a0519ba5a8b088ddcea589bf4466f515468fc2b21927a5cfa2e150750336e9517f5d41274f0adbd5d92

  • memory/296-262-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/296-244-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1424-168-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/1424-158-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1424-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1424-151-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1424-250-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1424-180-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/1424-216-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2184-29-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2184-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2184-89-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2184-90-0x0000000002660000-0x00000000026B3000-memory.dmp

    Filesize

    332KB

  • memory/2184-26-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2184-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2184-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

    Filesize

    4KB

  • memory/2184-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2184-79-0x00000000004F0000-0x00000000004F2000-memory.dmp

    Filesize

    8KB

  • memory/2184-103-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2184-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2184-16-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2184-14-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2184-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2472-251-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2472-265-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2940-146-0x0000000002700000-0x0000000002753000-memory.dmp

    Filesize

    332KB

  • memory/2940-172-0x0000000002700000-0x0000000002753000-memory.dmp

    Filesize

    332KB

  • memory/2940-145-0x0000000002700000-0x0000000002753000-memory.dmp

    Filesize

    332KB

  • memory/2940-154-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2940-155-0x0000000002700000-0x0000000002753000-memory.dmp

    Filesize

    332KB

  • memory/2940-149-0x0000000002700000-0x0000000002753000-memory.dmp

    Filesize

    332KB

  • memory/2940-147-0x0000000002700000-0x0000000002753000-memory.dmp

    Filesize

    332KB

  • memory/2940-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2940-148-0x0000000002700000-0x0000000002753000-memory.dmp

    Filesize

    332KB

  • memory/2940-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2940-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2940-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2940-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2940-243-0x0000000002700000-0x0000000002753000-memory.dmp

    Filesize

    332KB

  • memory/2940-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2940-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2940-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2940-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB