Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19-05-2024 10:19

General

  • Target

    48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe

  • Size

    90KB

  • MD5

    0f1df10be020d68517f88c7b38eb3e50

  • SHA1

    8dd10efc5ff4fe2ee186ae0871b0cfb9e9f904d5

  • SHA256

    48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54

  • SHA512

    a693d558f461b59d3177ac852dcd4184bd6dc1665526080764ebd00299da872a90da962de98373e910a40f2b1188ca7e758fd62fa4851fd56a049e1b1477be3a

  • 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 Second Stage 1 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\48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
    "C:\Users\Admin\AppData\Local\Temp\48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Users\Admin\AppData\Local\Temp\48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe
      "C:\Users\Admin\AppData\Local\Temp\48d6dfc7a2a3b4b86911b0998464c31c4556f87f52a55501b93e049bfe6e0e54.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\ALQMA.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2760
        • 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:2384
      • 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:2484
        • 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:1412
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:1836

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\ALQMA.bat
    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    90KB

    MD5

    58272ecac065f3a6f0db89401cba9462

    SHA1

    967761242010d6b444fdbddcea51e12a95ebd822

    SHA256

    fb0d97f51856561b3ab4c421b0e15f40e8412d69d59782488ae163db64fed2bf

    SHA512

    9f4f6ca733bdb45d9ed7bea90dc4bee335ffb311ad110cd9346503da460d27c21577ba5c4a717b0c9a894ed6ee31e8b54e50acc0e1510c60fcb6bf9b678bed59

  • memory/1412-259-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1836-260-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1836-244-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2340-73-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2340-108-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2340-37-0x0000000000404000-0x0000000000405000-memory.dmp
    Filesize

    4KB

  • memory/2340-83-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2340-60-0x00000000003B0000-0x00000000003B1000-memory.dmp
    Filesize

    4KB

  • memory/2340-79-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2340-40-0x0000000000370000-0x0000000000371000-memory.dmp
    Filesize

    4KB

  • memory/2340-70-0x00000000003D0000-0x00000000003D1000-memory.dmp
    Filesize

    4KB

  • memory/2340-92-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2340-3-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/2340-5-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/2340-15-0x0000000000330000-0x0000000000331000-memory.dmp
    Filesize

    4KB

  • memory/2340-27-0x0000000000350000-0x0000000000351000-memory.dmp
    Filesize

    4KB

  • memory/2340-1-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2340-82-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2340-80-0x00000000003F0000-0x00000000003F2000-memory.dmp
    Filesize

    8KB

  • memory/2480-93-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2480-254-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2480-97-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2480-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2480-101-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2480-96-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2480-149-0x0000000002900000-0x0000000002953000-memory.dmp
    Filesize

    332KB

  • memory/2480-148-0x0000000002900000-0x0000000002953000-memory.dmp
    Filesize

    332KB

  • memory/2480-103-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2480-107-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2480-105-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2484-150-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2484-251-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2484-210-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/2484-165-0x0000000000260000-0x0000000000261000-memory.dmp
    Filesize

    4KB

  • memory/2484-176-0x0000000000280000-0x0000000000281000-memory.dmp
    Filesize

    4KB

  • memory/2484-155-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB