Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 15:16

General

  • Target

    b2162f4890cf8b208f88970d83bf96bf_JaffaCakes118.exe

  • Size

    3.1MB

  • MD5

    b2162f4890cf8b208f88970d83bf96bf

  • SHA1

    df20ff3f5b308487ada89898d74aff0b9ff5668a

  • SHA256

    c133ab022b0db2adbaa030e8948a8f2f3df0481cbe0a05eab6be596776cd45b2

  • SHA512

    300b8284407c389a4de5b7bff8e7b74fa178e14b72ed079a61219dd52ee88099d621614e5c6e35d31c064d58cde86acd1aa3610696928f169f5ec90b873a46ea

  • SSDEEP

    49152:HXvsCauuraeHgou98u6JIBf1YBVSzgm2QBs/szL8yK96puWV355FXw/+UuWV355C:HXvsCatrFHgaOfMVSzgm2B/g4m

Score
8/10

Malware Config

Signatures

  • Possible privilege escalation attempt 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Windows 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 14 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2162f4890cf8b208f88970d83bf96bf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b2162f4890cf8b208f88970d83bf96bf_JaffaCakes118.exe"
    1⤵
    • Checks BIOS information in registry
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\E225.tmp
      C:\Users\Admin\AppData\Local\Temp\E225.tmp
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\WINDOWS\jdid23ll.exe
        "C:\WINDOWS\jdid23ll.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\WINDOWS\jdid23ll.exe
          C:\WINDOWS\jdid23ll.exe
          4⤵
          • Executes dropped EXE
          PID:2508
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /A /C "cmd.exe /c takeown /f C:\ldrscan\bootwin"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c takeown /f C:\ldrscan\bootwin
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2944
        • C:\Windows\SysWOW64\takeown.exe
          takeown /f C:\ldrscan\bootwin
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2988
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /A /C "icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\ldrscan\bootwin /grant *S-1-1-0:(F)
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1736
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /A /C "C:\bootsect.exe /nt60 SYS /force"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\bootsect.exe
        C:\bootsect.exe /nt60 SYS /force
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2316
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /A /C "C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -upk"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\SysWOW64\cscript.exe
        C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -upk
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3024
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /A /C "C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ipk D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1588
      • C:\Windows\SysWOW64\cscript.exe
        C:\Windows\System32\cscript.exe //nologo C:\Windows\System32\slmgr.vbs -ipk D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\jdid23ll.exe

    Filesize

    152KB

    MD5

    bf12c59e5fa2dc0d5da6f52c354c0d74

    SHA1

    c071b84cf55a78930024c4230afeb391a77a8863

    SHA256

    ad0131444782e428ea57257d7b0240c1dac76ae6162e760fca010a76af4df170

    SHA512

    f11d0553707b0b96bcbc714e18a083e69ed9d7e05059d4c414bbc42be11222a0a8296a981e372f10bab501fdfa4b498d41858cc40232a3b62506deab3c266afe

  • C:\bootsect.exe

    Filesize

    95KB

    MD5

    17b18a2feb3dcfe8a165af86ebc29fe7

    SHA1

    bf00a8ef28200a3bbc73633b360e1484ee2874d5

    SHA256

    99c4970f1f4b9dc50a5db9ff6f3a581754a1631f0751bdec2b5e3a261f35d85a

    SHA512

    034e809a3f2a2eaa633b7c1c9bffd0ac65041bf0a3fc6ba861e281712cdcb1e063d6c29e562bdc864e1963466ebcec9e30475907bea80a67ab48111ae583e65c

  • \Users\Admin\AppData\Local\Temp\E225.tmp

    Filesize

    191KB

    MD5

    7c51a665b09509f5132748dd807121ac

    SHA1

    1bd220b5743a8763ee283f8c293a0782f0149b95

    SHA256

    e689d20675addef0963254195ba22e3061300ed49145af4410d4d5688a0a8838

    SHA512

    ee6e72a707729ded7df71dc71d3f02f3cebdd86c60a768cbb951e00168eb487134b059fcbfaedcb3c3c6cef668c725a1bb0d6bae9570757ae8704c330b87327c

  • memory/2184-7-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2184-24-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2508-31-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB

  • memory/2508-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2508-37-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB

  • memory/2508-39-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB

  • memory/2508-29-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB

  • memory/2508-27-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB

  • memory/2508-33-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB

  • memory/2676-19-0x0000000000401000-0x0000000000403000-memory.dmp

    Filesize

    8KB

  • memory/2676-22-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2676-43-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2676-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2676-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2756-60-0x0000000010000000-0x0000000010021000-memory.dmp

    Filesize

    132KB

  • memory/2756-84-0x00000000003B0000-0x00000000003C0000-memory.dmp

    Filesize

    64KB

  • memory/2756-76-0x00000000002E0000-0x00000000002F0000-memory.dmp

    Filesize

    64KB

  • memory/2756-68-0x0000000000390000-0x00000000003A1000-memory.dmp

    Filesize

    68KB

  • memory/2756-42-0x0000000000400000-0x0000000000658200-memory.dmp

    Filesize

    2.3MB

  • memory/2756-52-0x0000000000290000-0x00000000002A0000-memory.dmp

    Filesize

    64KB

  • memory/2756-44-0x0000000000370000-0x0000000000381000-memory.dmp

    Filesize

    68KB

  • memory/2756-1-0x0000000000400000-0x0000000000658200-memory.dmp

    Filesize

    2.3MB

  • memory/2756-102-0x0000000000400000-0x0000000000658200-memory.dmp

    Filesize

    2.3MB

  • memory/2756-103-0x0000000000250000-0x0000000000278000-memory.dmp

    Filesize

    160KB

  • memory/2756-104-0x0000000000400000-0x0000000000658200-memory.dmp

    Filesize

    2.3MB

  • memory/2756-4-0x0000000000250000-0x0000000000278000-memory.dmp

    Filesize

    160KB

  • memory/2756-111-0x0000000000400000-0x0000000000658200-memory.dmp

    Filesize

    2.3MB