Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 15:46

General

  • Target

    d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe

  • Size

    326KB

  • MD5

    f8048686b6a00def26c347183e702f10

  • SHA1

    e23f25c67d0f112c9b2613a77b40586bd43c41d9

  • SHA256

    d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440

  • SHA512

    3066a7169945e3820ac350f934d4fb6c0d10fe8e45476a546bbfc9eede556538ec026767eeb3bbf3372a868e41c7ad98768f31de456340735c01ab1437dab1fb

  • SSDEEP

    3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • ModiLoader Second Stage 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 25 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • 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\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
    "C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe
      "C:\Users\Admin\AppData\Local\Temp\d58835f358aecf0391274a74967e2d3cdd8168b3b2ed73e6b3351f2a25f6e440N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2888
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\BMRNB.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1492
        • 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:1820
      • 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:2500
        • 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:1984
        • 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:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    Filesize

    326KB

    MD5

    e0b011b04e384e96beecb5f05c999ca2

    SHA1

    68c56195f42ec3cb68f26c84eca914083167d910

    SHA256

    8c46c54077e4655e345f5d2ad34b32d42a824d343367747e0db1a171db62d689

    SHA512

    3c071f027f4f2c72c212691497d4e161851f69f1a638d6adac3c7cededf870d2dff31c6a80acb0815ccbc588a018b5334c16d8bae21a6e46714be0dfa947d6ec

  • memory/1500-256-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1500-258-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1984-255-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/1984-257-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2380-61-0x0000000000520000-0x0000000000620000-memory.dmp

    Filesize

    1024KB

  • memory/2380-90-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2380-77-0x0000000000404000-0x0000000000405000-memory.dmp

    Filesize

    4KB

  • memory/2380-72-0x0000000000520000-0x0000000000620000-memory.dmp

    Filesize

    1024KB

  • memory/2380-71-0x0000000000520000-0x0000000000620000-memory.dmp

    Filesize

    1024KB

  • memory/2380-69-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2380-63-0x0000000000520000-0x0000000000620000-memory.dmp

    Filesize

    1024KB

  • memory/2380-62-0x0000000000520000-0x0000000000620000-memory.dmp

    Filesize

    1024KB

  • memory/2380-80-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2380-27-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2380-105-0x0000000002640000-0x0000000002694000-memory.dmp

    Filesize

    336KB

  • memory/2380-78-0x00000000003E0000-0x00000000003E2000-memory.dmp

    Filesize

    8KB

  • memory/2380-81-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2380-101-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2380-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2380-15-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2380-0-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2380-39-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2380-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2380-59-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2500-214-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2500-249-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2888-95-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2888-91-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2888-149-0x00000000031C0000-0x0000000003214000-memory.dmp

    Filesize

    336KB

  • memory/2888-148-0x00000000031C0000-0x0000000003214000-memory.dmp

    Filesize

    336KB

  • memory/2888-147-0x00000000031C0000-0x0000000003214000-memory.dmp

    Filesize

    336KB

  • memory/2888-146-0x00000000031C0000-0x0000000003214000-memory.dmp

    Filesize

    336KB

  • memory/2888-145-0x00000000031C0000-0x0000000003214000-memory.dmp

    Filesize

    336KB

  • memory/2888-153-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2888-93-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2888-211-0x00000000031C0000-0x0000000003214000-memory.dmp

    Filesize

    336KB

  • memory/2888-252-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2888-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2888-99-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2888-102-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2888-103-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2888-106-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB