Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2024, 01:22

General

  • Target

    a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe

  • Size

    593KB

  • MD5

    a903e1cd06a6c48840234dce0350eabb

  • SHA1

    7428b167c09771e6247d2543ca9ead6ec8f8e030

  • SHA256

    64e52c446e244597a397ab27e132c3291b61849bcf376b26a6a6f5036640f1c6

  • SHA512

    2c316e68c1af5defc78f8870941e13408a717202769807a5a1e7becd1ad0ae7ac2fa5bfd69a2b2e61606ff32e583ce89e4e225c74b68c86dbb8f2835bae38f8e

  • SSDEEP

    12288:o6/DdQHroPTAwpwXQsBPTeoG0HhDtdC2Cp4JSErXDby89one10afTira9kM5:H7WsPkA8QsBPyoG0HBrC2zJSKDuLePfJ

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 14 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in System32 directory 10 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Runs net.exe
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a903e1cd06a6c48840234dce0350eabb_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Windows\system32\lncom_.mp3"
      2⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2520
    • C:\Windows\SysWOW64\lncom.exe
      "C:\Windows\system32\lncom.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies WinLogon
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Windows\SysWOW64\fservice.exe
        C:\Windows\system32\fservice.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\services.exe
          C:\Windows\services.exe -XP
          4⤵
          • Modifies WinLogon for persistence
          • Adds policy Run key to start application
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies WinLogon
          • Drops file in System32 directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2436
          • C:\Windows\SysWOW64\NET.exe
            NET STOP srservice
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2616
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 STOP srservice
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2148
          • C:\Windows\SysWOW64\NET.exe
            NET STOP navapsvc
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2364
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 STOP navapsvc
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2668
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Windows\SysWOW64\lncom.exe.bat
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1668
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\A903E1~1.EXE.bat
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2368

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\A903E1~1.EXE.bat

    Filesize

    133B

    MD5

    03a42a71accbe39524922fa709500965

    SHA1

    10ee03d9a8284f2d6251743d3a74b3b64bb1bd95

    SHA256

    4b0778c19cfa19cd94ab924e823816086a394597228faf3f460224f56413b921

    SHA512

    7e18710161a4543f84ce83afe9784c222191a12ed5c11029be5511e3efb993744690be826b9c3342896f4e4eeb29d7b84ec70bea7f23c7fac82291c480120781

  • C:\Windows\SysWOW64\lncom.exe

    Filesize

    341KB

    MD5

    b3d0fafbd197c00081101b1665eaf77e

    SHA1

    fc9ccc968253120d79e822dcf35996aaf4da31bf

    SHA256

    7ab1af00d7fb9a226e3ec177006f6995c77f8052aeec3538f04ea14ac6a415f1

    SHA512

    b6616fa6ff89d844dbe4c96390e8c4b2d25dfe2dc105251c10f2c013ce87996749efc076e97e11fefd2949d75ce08238739cce58414d9809de78b2d0a65f3e5a

  • C:\Windows\SysWOW64\lncom.exe.bat

    Filesize

    99B

    MD5

    1f73e450d92934cd37c041eb3f1ff51f

    SHA1

    f3e9dece5d6b7d7a0e4966c16ffe31437539d4a0

    SHA256

    3a57d154715459926a51a9e3925687c0c78ec9c88bc39c303b5b93385d34d67e

    SHA512

    5f982d614e54870ae3ad212f049ca3685602812c1bb066a5f6155e694adb994d6d1608ca7a25bcab605812c6e7e6b22817aaf0dba9e906787add9b0a8e3f32a5

  • C:\Windows\SysWOW64\reginv.dll

    Filesize

    36KB

    MD5

    d4a3f90e159ffbcbc4f9740de4b7f171

    SHA1

    0542f5d1e2c23dca8d90766b3a8537dc3880e5c9

    SHA256

    2200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77

    SHA512

    5493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94

  • \Windows\SysWOW64\winkey.dll

    Filesize

    24KB

    MD5

    43e7d9b875c921ba6be38d45540fb9dd

    SHA1

    f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4

    SHA256

    f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b

    SHA512

    2e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622

  • memory/1948-21-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/1948-22-0x00000000076E0000-0x00000000078DF000-memory.dmp

    Filesize

    2.0MB

  • memory/1948-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2396-70-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2396-38-0x0000000003390000-0x000000000358F000-memory.dmp

    Filesize

    2.0MB

  • memory/2396-37-0x0000000003390000-0x000000000358F000-memory.dmp

    Filesize

    2.0MB

  • memory/2396-100-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2396-24-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2396-71-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2396-23-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2396-89-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2436-119-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2436-54-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2436-137-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2436-91-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2436-90-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2520-86-0x000007FEF6960000-0x000007FEF6978000-memory.dmp

    Filesize

    96KB

  • memory/2520-78-0x000007FEFA830000-0x000007FEFA847000-memory.dmp

    Filesize

    92KB

  • memory/2520-77-0x000007FEFA850000-0x000007FEFA861000-memory.dmp

    Filesize

    68KB

  • memory/2520-76-0x000007FEFAD10000-0x000007FEFAD27000-memory.dmp

    Filesize

    92KB

  • memory/2520-74-0x000007FEF6020000-0x000007FEF62D6000-memory.dmp

    Filesize

    2.7MB

  • memory/2520-75-0x000007FEFB830000-0x000007FEFB848000-memory.dmp

    Filesize

    96KB

  • memory/2520-83-0x000007FEF4D60000-0x000007FEF4F6B000-memory.dmp

    Filesize

    2.0MB

  • memory/2520-84-0x000007FEF74B0000-0x000007FEF74F1000-memory.dmp

    Filesize

    260KB

  • memory/2520-85-0x000007FEF6980000-0x000007FEF69A1000-memory.dmp

    Filesize

    132KB

  • memory/2520-80-0x000007FEFA7F0000-0x000007FEFA80D000-memory.dmp

    Filesize

    116KB

  • memory/2520-87-0x000007FEF4CF0000-0x000007FEF4D57000-memory.dmp

    Filesize

    412KB

  • memory/2520-81-0x000007FEF7500000-0x000007FEF7511000-memory.dmp

    Filesize

    68KB

  • memory/2520-79-0x000007FEFA810000-0x000007FEFA821000-memory.dmp

    Filesize

    68KB

  • memory/2520-88-0x000007FEF6940000-0x000007FEF6957000-memory.dmp

    Filesize

    92KB

  • memory/2520-82-0x000007FEF4F70000-0x000007FEF6020000-memory.dmp

    Filesize

    16.7MB

  • memory/2520-73-0x000007FEFAA70000-0x000007FEFAAA4000-memory.dmp

    Filesize

    208KB

  • memory/2520-72-0x000000013F1A0000-0x000000013F298000-memory.dmp

    Filesize

    992KB

  • memory/2744-63-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2744-49-0x0000000003410000-0x000000000360F000-memory.dmp

    Filesize

    2.0MB

  • memory/2744-40-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB