Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2024, 02:31

General

  • Target

    03ef07ed74458339ad7d6224746edc139c00819a36d9601242146554368ac16eN.exe

  • Size

    90KB

  • MD5

    0fcd58b414f993a0e467ad9a6412c160

  • SHA1

    e0e7fb5254f286cfa100084eb9da1fe6b08057fd

  • SHA256

    03ef07ed74458339ad7d6224746edc139c00819a36d9601242146554368ac16e

  • SHA512

    6f151f0c3d9ab43ac7b7f5416212b9ac2b782736acae7ae3d4da596d33c7cf4c76e3da4ed0c3f7b9a000426a635fd41851415f75b3d68b1d934f269cf1e33a73

  • 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 2 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\03ef07ed74458339ad7d6224746edc139c00819a36d9601242146554368ac16eN.exe
    "C:\Users\Admin\AppData\Local\Temp\03ef07ed74458339ad7d6224746edc139c00819a36d9601242146554368ac16eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\03ef07ed74458339ad7d6224746edc139c00819a36d9601242146554368ac16eN.exe
      "C:\Users\Admin\AppData\Local\Temp\03ef07ed74458339ad7d6224746edc139c00819a36d9601242146554368ac16eN.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\IWWKL.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2344
        • 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:772
      • 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:1632
        • 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:1288
        • 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:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    90KB

    MD5

    4e18991b41556cca0e012074354c7851

    SHA1

    b36a2c208c88d2bf23efa00b7d50902ae1e2ded4

    SHA256

    9f7332e3548d1b7b75f702ec882f6565d90f7c121df43ab862cd1559b22bc7f2

    SHA512

    d6a1f8d154be7f0bd81e7fd43474b50e29f15d14ce4b271a4ac2fdc8e3971fe8c79b26250aab998648fb5c4ce27f76283a8270c6fbc44cdebb1811a0dbd9ea9a

  • memory/1288-264-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1288-256-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1632-258-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1632-159-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB

  • memory/1632-180-0x00000000003D0000-0x00000000003D1000-memory.dmp

    Filesize

    4KB

  • memory/1632-217-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1632-169-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/1632-153-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-82-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-92-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-80-0x00000000003B0000-0x00000000003B2000-memory.dmp

    Filesize

    8KB

  • memory/2356-79-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-71-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/2356-61-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/2356-3-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2356-5-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2356-20-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2356-108-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-15-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2356-28-0x0000000000280000-0x0000000000281000-memory.dmp

    Filesize

    4KB

  • memory/2356-43-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-40-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/2356-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2356-93-0x00000000004B0000-0x0000000000503000-memory.dmp

    Filesize

    332KB

  • memory/2356-85-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2576-262-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2576-263-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2608-214-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-109-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-140-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

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

    Filesize

    44KB

  • memory/2608-94-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-96-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-98-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-104-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-145-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-261-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2608-151-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-255-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-254-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-152-0x0000000003230000-0x0000000003283000-memory.dmp

    Filesize

    332KB

  • memory/2608-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB