Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 01:16

General

  • Target
    e64d1e7329a40b9fb1aecde91e73e7f6_JaffaCakes118.exe
  • Size 651KB
  • Sample240408-bmtecscd92
  • SHA256 5a1947da612724b638f5a707ed32329f406fc9e214a49eb9ce8ae1be0a797b3a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • ModiLoader Second Stage 11 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 10 IoCs
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 52 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e64d1e7329a40b9fb1aecde91e73e7f6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e64d1e7329a40b9fb1aecde91e73e7f6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3808
    • C:\Users\Admin\AppData\Local\Temp\e64d1e7329a40b9fb1aecde91e73e7f6_JaffaCakes118.exe
      e64d1e7329a40b9fb1aecde91e73e7f6_JaffaCakes118.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Users\Admin\dHY4IvP3.exe
        C:\Users\Admin\dHY4IvP3.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3464
        • C:\Users\Admin\yepex.exe
          "C:\Users\Admin\yepex.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:880
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del dHY4IvP3.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4484
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3416
      • C:\Users\Admin\azhost.exe
        C:\Users\Admin\azhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3820
        • C:\Users\Admin\azhost.exe
          azhost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:4428
      • C:\Users\Admin\bzhost.exe
        C:\Users\Admin\bzhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4724
        • C:\Users\Admin\bzhost.exe
          bzhost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:640
      • C:\Users\Admin\czhost.exe
        C:\Users\Admin\czhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2428
        • C:\Users\Admin\czhost.exe
          czhost.exe
          4⤵
          • Executes dropped EXE
          PID:3484
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 236
            5⤵
            • Program crash
            PID:1704
      • C:\Users\Admin\dzhost.exe
        C:\Users\Admin\dzhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4920
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
            PID:2580
        • C:\Users\Admin\ezhost.exe
          C:\Users\Admin\ezhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4308
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del e64d1e7329a40b9fb1aecde91e73e7f6_JaffaCakes118.exe
          3⤵
            PID:1304
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:4328
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3484 -ip 3484
        1⤵
          PID:4512

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              azhost.exe

              • Path C:\Users\Admin\azhost.exe
              • Size 248KB
              • SHA256 f08df8dd8e3fe3de4a1ba4ba3bd355a233cf7febd5917b982ec5a949726c36a6
              • MD5 SHA1 SHA512 SSDEEP

              bzhost.exe

              • Path C:\Users\Admin\bzhost.exe
              • Size 138KB
              • SHA256 95dc812e94d5ba0842af45685ca7262b55607336fcf4becda83dbb6416beffa9
              • MD5 SHA1 SHA512 SSDEEP

              czhost.exe

              • Path C:\Users\Admin\czhost.exe
              • Size 96KB
              • SHA256 6d6fa60b26cd2fc87c94afb20e7f3b35d6eca76d5a46191b8df802d30d4cbc3e
              • MD5 SHA1 SHA512 SSDEEP

              dHY4IvP3.exe

              • Path C:\Users\Admin\dHY4IvP3.exe
              • Size 288KB
              • SHA256 17b36341825621fdf4a959b52c510dbf1295e89d380499b2d02a87d76ed68a82
              • MD5 SHA1 SHA512 SSDEEP

              dzhost.exe

              • Path C:\Users\Admin\dzhost.exe
              • Size 221KB
              • SHA256 62027b13d4918e5e644952c977960a5e6dfe241e2bb35b387de0bfd0b752e882
              • MD5 SHA1 SHA512 SSDEEP

              ezhost.exe

              • Path C:\Users\Admin\ezhost.exe
              • Size 28KB
              • SHA256 a360c27de3799bf85f2501d4b375744394643fd50f8ecf5241d170b5cb7f6782
              • MD5 SHA1 SHA512 SSDEEP

              yepex.exe

              • Path C:\Users\Admin\yepex.exe
              • Size 288KB
              • SHA256 8a194bf8acc229c4af26c5abeefd7e1c5c76e3acfae538fb4b6e357d566d0803
              • MD5 SHA1 SHA512 SSDEEP

              memory/640-75-0x0000000000400000-0x0000000000427000-memory.dmp

              memory/640-76-0x0000000000400000-0x0000000000427000-memory.dmp

              memory/640-111-0x0000000000400000-0x0000000000427000-memory.dmp

              memory/640-73-0x0000000000400000-0x0000000000427000-memory.dmp

              memory/640-66-0x0000000000400000-0x0000000000427000-memory.dmp

              memory/640-65-0x0000000000400000-0x0000000000427000-memory.dmp

              memory/1280-72-0x0000000000400000-0x0000000000507000-memory.dmp

              memory/1280-6-0x0000000000400000-0x0000000000507000-memory.dmp

              memory/1280-120-0x0000000000400000-0x0000000000507000-memory.dmp

              memory/1280-1-0x0000000000400000-0x0000000000507000-memory.dmp

              memory/1280-7-0x0000000000400000-0x0000000000507000-memory.dmp

              memory/1280-5-0x0000000000400000-0x0000000000507000-memory.dmp

              memory/1280-0-0x0000000000400000-0x0000000000507000-memory.dmp

              memory/2428-86-0x0000000000400000-0x000000000041B000-memory.dmp

              memory/3484-89-0x0000000000400000-0x000000000040E000-memory.dmp

              memory/3484-90-0x0000000000400000-0x000000000040E000-memory.dmp

              memory/3484-80-0x0000000000400000-0x000000000040E000-memory.dmp

              memory/3484-81-0x0000000000400000-0x000000000040E000-memory.dmp

              memory/3484-88-0x0000000000400000-0x000000000040E000-memory.dmp

              memory/3808-3-0x0000000000400000-0x000000000041C000-memory.dmp

              memory/3820-60-0x0000000000400000-0x000000000041B000-memory.dmp

              memory/4428-53-0x0000000000400000-0x0000000000437000-memory.dmp

              memory/4428-54-0x0000000000400000-0x0000000000437000-memory.dmp

              memory/4428-61-0x0000000000400000-0x0000000000437000-memory.dmp

              memory/4428-56-0x0000000000400000-0x0000000000437000-memory.dmp

              memory/4428-55-0x0000000000400000-0x0000000000437000-memory.dmp

              memory/4428-104-0x0000000000400000-0x0000000000437000-memory.dmp

              memory/4724-71-0x0000000000400000-0x000000000041B000-memory.dmp

              memory/4920-101-0x0000000000400000-0x0000000000464000-memory.dmp

              memory/4920-99-0x0000000002070000-0x00000000020D4000-memory.dmp

              memory/4920-100-0x0000000002074000-0x0000000002075000-memory.dmp

              memory/4920-103-0x0000000000400000-0x0000000000464000-memory.dmp

              memory/4920-98-0x0000000000400000-0x0000000000464000-memory.dmp

              memory/4920-96-0x0000000000400000-0x0000000000464000-memory.dmp

              memory/4920-97-0x0000000000400000-0x0000000000464000-memory.dmp

              memory/4920-95-0x0000000000400000-0x0000000000464000-memory.dmp