Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-05-2024 18:40

General

  • Target

    0c80d51e7d00e0374ec69926ea97d5de5a6ecc52aecd24bfd7a17a3150e74016.exe

  • Size

    90KB

  • MD5

    24938e950ff7e68a19eddbe59131a7b5

  • SHA1

    8cb0edf3f4bba2a8eed5a131953eefb76a9a66da

  • SHA256

    0c80d51e7d00e0374ec69926ea97d5de5a6ecc52aecd24bfd7a17a3150e74016

  • SHA512

    1b44fd54afea4e6ce5e7203998ea425628feed22042428104c2226b2900316c7473be20b7688f76ed9974e49d35e98d881828081ec859cd4aa3299f5fa9a528f

  • 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.

  • Detects Windows executables referencing non-Windows User-Agents 2 IoCs
  • ModiLoader Second Stage 2 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 22 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).

  • 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\0c80d51e7d00e0374ec69926ea97d5de5a6ecc52aecd24bfd7a17a3150e74016.exe
    "C:\Users\Admin\AppData\Local\Temp\0c80d51e7d00e0374ec69926ea97d5de5a6ecc52aecd24bfd7a17a3150e74016.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Users\Admin\AppData\Local\Temp\0c80d51e7d00e0374ec69926ea97d5de5a6ecc52aecd24bfd7a17a3150e74016.exe
      "C:\Users\Admin\AppData\Local\Temp\0c80d51e7d00e0374ec69926ea97d5de5a6ecc52aecd24bfd7a17a3150e74016.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HSXUI.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2276
        • 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
          PID:2216
      • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2188
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:892
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:1720

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\HSXUI.bat
    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    90KB

    MD5

    0e159620bec91134bf358706316abdd9

    SHA1

    0960a4d3f4835adcc50340970f2a1b6c321365b8

    SHA256

    484210b20f124359699f4f19095055c56ab0ca34b6b5ab601bb781c2479dccc8

    SHA512

    959f15744a5bc104c09cf649069d4cd4614d941c03bde44257e9e4ecd12631686dfb228009ac338502ed8891e0a7389a6ac9706e6dd84cd00d0b92590ed9e575

  • memory/892-260-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/892-249-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1720-261-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1720-250-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2188-252-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2188-210-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2188-165-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/2188-176-0x0000000000270000-0x0000000000271000-memory.dmp
    Filesize

    4KB

  • memory/2188-155-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/2188-150-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2272-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2272-101-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2272-109-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2272-108-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2272-255-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2272-148-0x00000000026C0000-0x0000000002713000-memory.dmp
    Filesize

    332KB

  • memory/2272-97-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2272-93-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2272-96-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2272-105-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2992-70-0x00000000003C0000-0x00000000003C1000-memory.dmp
    Filesize

    4KB

  • memory/2992-0-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2992-80-0x00000000003E0000-0x00000000003E2000-memory.dmp
    Filesize

    8KB

  • memory/2992-87-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2992-33-0x0000000000404000-0x0000000000405000-memory.dmp
    Filesize

    4KB

  • memory/2992-92-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2992-104-0x0000000001D90000-0x0000000001DE3000-memory.dmp
    Filesize

    332KB

  • memory/2992-40-0x0000000000350000-0x0000000000351000-memory.dmp
    Filesize

    4KB

  • memory/2992-78-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2992-79-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2992-82-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2992-60-0x00000000003A0000-0x00000000003A1000-memory.dmp
    Filesize

    4KB

  • memory/2992-27-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

  • memory/2992-107-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2992-15-0x0000000000290000-0x0000000000291000-memory.dmp
    Filesize

    4KB

  • memory/2992-3-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/2992-5-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB