Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 4 IoCs
  • ModiLoader Second Stage 4 IoCs
  • UPX dump on OEP (original entry point) 15 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • UPX packed file 15 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 33 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:1168
    • C:\Users\Admin\AppData\Local\Temp\0c80d51e7d00e0374ec69926ea97d5de5a6ecc52aecd24bfd7a17a3150e74016.exe
      "C:\Users\Admin\AppData\Local\Temp\0c80d51e7d00e0374ec69926ea97d5de5a6ecc52aecd24bfd7a17a3150e74016.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4960
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HXXVE.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2512
        • 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:4464
      • 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:1792
        • 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:3452
        • C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
          4⤵
          • Executes dropped EXE
          PID:4948

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\HXXVE.txt
    Filesize

    145B

    MD5

    4eb61ec7816c34ec8c125acadc57ec1b

    SHA1

    b0015cc865c0bb1a027be663027d3829401a31cc

    SHA256

    08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

    SHA512

    f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

    90KB

    MD5

    24938e950ff7e68a19eddbe59131a7b5

    SHA1

    8cb0edf3f4bba2a8eed5a131953eefb76a9a66da

    SHA256

    0c80d51e7d00e0374ec69926ea97d5de5a6ecc52aecd24bfd7a17a3150e74016

    SHA512

    1b44fd54afea4e6ce5e7203998ea425628feed22042428104c2226b2900316c7473be20b7688f76ed9974e49d35e98d881828081ec859cd4aa3299f5fa9a528f

  • memory/1168-8-0x00000000021D0000-0x00000000021D2000-memory.dmp
    Filesize

    8KB

  • memory/1168-0-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1168-7-0x00000000021C0000-0x00000000021C2000-memory.dmp
    Filesize

    8KB

  • memory/1168-12-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/1792-46-0x0000000000400000-0x0000000000453000-memory.dmp
    Filesize

    332KB

  • memory/3452-56-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/4948-45-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4948-57-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4948-48-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4948-47-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4948-55-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4948-39-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4960-5-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/4960-54-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/4960-52-0x0000000000410000-0x00000000004D9000-memory.dmp
    Filesize

    804KB

  • memory/4960-3-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/4960-9-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB