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Analysis

  • max time kernel
    145s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2023, 20:28

General

  • Target

    032185fbaca47a4f4e6e61dde810715d.exe

  • Size

    744KB

  • MD5

    032185fbaca47a4f4e6e61dde810715d

  • SHA1

    dd7be1f4780d053c14a617872cdd03802d5120d2

  • SHA256

    01056966c39bc71d4cead1f28689d02f211ca8be360bdc58dd0844ed3d03e77d

  • SHA512

    8b614c17adeecdfe67d205c35769e660715efd77be412681bd0c8661632c987e431e9a21519f2dc2fe00cdd119f7561242bc3dbc373333e2bd49554fdde58f6d

  • SSDEEP

    12288:vT+cEyQ6KDYOMwRCYrzqpiO+T6rdV9NdqDywi023t9MUCaCk30bj:vTnQ6SYOM6CUzqpiO+Taj9NdqDywyd9o

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 18 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\032185fbaca47a4f4e6e61dde810715d.exe
    "C:\Users\Admin\AppData\Local\Temp\032185fbaca47a4f4e6e61dde810715d.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2464
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\mstwain32.exe

    Filesize

    744KB

    MD5

    032185fbaca47a4f4e6e61dde810715d

    SHA1

    dd7be1f4780d053c14a617872cdd03802d5120d2

    SHA256

    01056966c39bc71d4cead1f28689d02f211ca8be360bdc58dd0844ed3d03e77d

    SHA512

    8b614c17adeecdfe67d205c35769e660715efd77be412681bd0c8661632c987e431e9a21519f2dc2fe00cdd119f7561242bc3dbc373333e2bd49554fdde58f6d

  • memory/620-0-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/620-1-0x0000000003BC0000-0x0000000003BC1000-memory.dmp

    Filesize

    4KB

  • memory/620-2-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/620-3-0x0000000005340000-0x0000000005341000-memory.dmp

    Filesize

    4KB

  • memory/620-13-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-24-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-29-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-18-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2464-22-0x00000000749D0000-0x00000000749E4000-memory.dmp

    Filesize

    80KB

  • memory/2464-21-0x0000000076AF0000-0x0000000076BE0000-memory.dmp

    Filesize

    960KB

  • memory/2464-23-0x0000000004370000-0x0000000004371000-memory.dmp

    Filesize

    4KB

  • memory/2464-16-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-25-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-26-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-27-0x0000000076AF0000-0x0000000076BE0000-memory.dmp

    Filesize

    960KB

  • memory/2464-28-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-19-0x00000000043C0000-0x00000000043CE000-memory.dmp

    Filesize

    56KB

  • memory/2464-31-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-32-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-33-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-34-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-35-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-36-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-37-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-38-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB

  • memory/2464-39-0x0000000000400000-0x00000000004E8000-memory.dmp

    Filesize

    928KB