Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2025, 10:21

General

  • Target
    JaffaCakes118_c4fe2f1f4b7984cdaca5b74a5a40d4b0.exe
  • Size 667KB
  • Sample250119-mdnnasvjdl
  • SHA256 2442fd8a20bb771b6fadbcf3d05ea78be38a86786e6f149d2de5658885b4b333
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Cycbot

    Cycbot is a backdoor and trojan written in C++..

  • Cycbot family
  • Detects Cycbot payload 6 IoCs

    Cycbot is a backdoor and trojan written in C++.

  • ModiLoader, DBatLoader

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

  • Modifies security service 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Modiloader family
  • ModiLoader Second Stage 7 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Disables taskbar notifications via registry modification
  • Deletes itself 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 53 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 22 IoCs

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

  • Drops file in Program Files directory 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 13 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of FindShellTrayWindow 24 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs
  • System policy modification 1 TTPs 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4fe2f1f4b7984cdaca5b74a5a40d4b0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4fe2f1f4b7984cdaca5b74a5a40d4b0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4fe2f1f4b7984cdaca5b74a5a40d4b0.exe
      JaffaCakes118_c4fe2f1f4b7984cdaca5b74a5a40d4b0.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Users\Admin\DV245F.exe
        C:\Users\Admin\DV245F.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2900
        • C:\Users\Admin\hauxio.exe
          "C:\Users\Admin\hauxio.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2820
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del DV245F.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2988
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2232
      • C:\Users\Admin\aohost.exe
        C:\Users\Admin\aohost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2836
        • C:\Users\Admin\aohost.exe
          aohost.exe
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:2972
      • C:\Users\Admin\bohost.exe
        C:\Users\Admin\bohost.exe
        3⤵
        • Modifies security service
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1412
        • C:\Users\Admin\bohost.exe
          C:\Users\Admin\bohost.exe startC:\Users\Admin\AppData\Roaming\7E5B5\3A976.exe%C:\Users\Admin\AppData\Roaming\7E5B5
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:868
        • C:\Users\Admin\bohost.exe
          C:\Users\Admin\bohost.exe startC:\Program Files (x86)\B5721\lvvm.exe%C:\Program Files (x86)\B5721
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2772
      • C:\Users\Admin\dohost.exe
        C:\Users\Admin\dohost.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:404
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del JaffaCakes118_c4fe2f1f4b7984cdaca5b74a5a40d4b0.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2548
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2536
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2260
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1952

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        5721.E5B

        • Path C:\Users\Admin\AppData\Roaming\7E5B5\5721.E5B
        • Size 600B
        • SHA256 f762f5185edcbb41ce1f2bf597af37cbbcab117a45a5b24828fa0d3740e0a607
        • MD5 SHA1 SHA512

        5721.E5B

        • Path C:\Users\Admin\AppData\Roaming\7E5B5\5721.E5B
        • Size 996B
        • SHA256 b3ce2fe1be62bb7ddd87ff1d40f9868866ab03c6d584e8feb987e05f354df63e
        • MD5 SHA1 SHA512

        5721.E5B

        • Path C:\Users\Admin\AppData\Roaming\7E5B5\5721.E5B
        • Size 1KB
        • SHA256 8c9abaf8910fbb1b31a8268698982f3bf84ba2f870f9344b91cc091068c496f2
        • MD5 SHA1 SHA512

        5721.E5B

        • Path C:\Users\Admin\AppData\Roaming\7E5B5\5721.E5B
        • Size 1KB
        • SHA256 5cf1fcdf5b5e1393b777b4830f1b4da1ef9fd1f3dd0c9231fcfb78196dc94e00
        • MD5 SHA1 SHA512

        dohost.exe

        • Path C:\Users\Admin\dohost.exe
        • Size 24KB
        • SHA256 d2d49c37bdf2313756897245c3050494b39e824af448450eca1c0e83cf95b1e5
        • MD5 SHA1 SHA512 SSDEEP

        DV245F.exe

        • Path \Users\Admin\DV245F.exe
        • Size 216KB
        • SHA256 50f026d57fea9c00d49629484442ea59cccc0053d7db73168d68544a3bbf6f59
        • MD5 SHA1 SHA512 SSDEEP

        aohost.exe

        • Path \Users\Admin\aohost.exe
        • Size 152KB
        • SHA256 4c477ed134bc76fa7b912f1aad5e59d4f56f993baa16646e25fec2fdeed3bd8b
        • MD5 SHA1 SHA512 SSDEEP

        bohost.exe

        • Path \Users\Admin\bohost.exe
        • Size 173KB
        • SHA256 18941e3030ef70437a5330e4689ec262f887f6f6f1da1cd66c0cbae2a76e75bf
        • MD5 SHA1 SHA512 SSDEEP

        hauxio.exe

        • Path \Users\Admin\hauxio.exe
        • Size 216KB
        • SHA256 76803053272f8af5022da9becb7ddf9f27b143d8637cd9f731acdefc7676bf9e
        • MD5 SHA1 SHA512 SSDEEP

        memory/868-99-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/1412-250-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/1412-105-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/1412-173-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/1412-298-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/2772-171-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/2772-10-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/2780-14-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-6-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-13-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-290-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-12-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2780-4-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-79-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-2-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-16-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-0-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2780-15-0x0000000000400000-0x00000000004CF000-memory.dmp

        memory/2836-64-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/2900-45-0x0000000003850000-0x000000000430A000-memory.dmp

        memory/2972-104-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2972-54-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2972-69-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2972-56-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2972-58-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2972-62-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2972-68-0x0000000000400000-0x0000000000427000-memory.dmp