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Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24/06/2024, 23:11

General

  • Target

    0b2d88e02b879c09b5a615cf670e592a_JaffaCakes118.exe

  • Size

    42KB

  • MD5

    0b2d88e02b879c09b5a615cf670e592a

  • SHA1

    156dea84ee8b56c8e45459358d54f41be0876fb8

  • SHA256

    db94bfc9678d07f1c93a7880fdbdda84aa61193500fc0824803d583b637bef2d

  • SHA512

    89035bffb6c7a7971ea231f36b9f0fdae644c52e822a3288cb42d47332e25e55fe88cf576064875aa8f3b701862b21d09b2f251260bc6021df1712c126906f71

  • SSDEEP

    768:5sGgkgs9PuO7wd/xAfCK3j/7ZEEALZGXwnvN5BMCt:5sLs9uOEdcCK3z7ZEE6GXwl5R

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 16 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 8 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 8 IoCs
  • Adds policy Run key to start application 2 TTPs 18 IoCs
  • Disables RegEdit via registry modification 8 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 15 IoCs
  • Adds Run key to start application 2 TTPs 16 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Windows directory 37 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Discovers systems in the same network 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b2d88e02b879c09b5a615cf670e592a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0b2d88e02b879c09b5a615cf670e592a_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Windows\SysWOW64\s4827\smss.exe
      "C:\Windows\system32\s4827\smss.exe" ~Brontok~Log~
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:2572
      • C:\Windows\SysWOW64\s4827\winlogon.exe
        "C:\Windows\system32\s4827\winlogon.exe" ~Brontok~Is~The~Best~
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Adds policy Run key to start application
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2440
        • C:\Windows\SysWOW64\s4827\services.exe
          "C:\Windows\system32\s4827\services.exe" ~Brontok~Serv~
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Adds policy Run key to start application
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Drops file in Windows directory
          PID:2764
        • C:\Windows\SysWOW64\s4827\csrss.exe
          "C:\Windows\system32\s4827\csrss.exe" ~Brontok~SpreadMail~
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Adds policy Run key to start application
          • Disables RegEdit via registry modification
          • Drops file in Drivers directory
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Drops file in Windows directory
          PID:1868
        • C:\Windows\SysWOW64\s4827\lsass.exe
          "C:\Windows\system32\s4827\lsass.exe" ~Brontok~Network~
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Adds policy Run key to start application
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Drops file in System32 directory
          • Drops file in Windows directory
          • Suspicious use of WriteProcessMemory
          PID:1588
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c net view /domain > "C:\Windows\system32\s4827\domlist.txt"
            5⤵
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:328
            • C:\Windows\SysWOW64\net.exe
              net view /domain
              6⤵
              • Discovers systems in the same network
              PID:2436
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Windows\system32\s4827\brdom.bat" "
            5⤵
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:2796
            • C:\Windows\SysWOW64\net.exe
              net view /domain:WORKGROUP
              6⤵
              • Discovers systems in the same network
              PID:864
        • C:\Windows\Ad10218\qm4623.exe
          "C:\Windows\Ad10218\qm4623.exe" ~Brontok~Back~Log~
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Adds policy Run key to start application
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Drops file in Windows directory
          PID:2308
        • C:\Windows\SysWOW64\s4827\m4623.exe
          "C:\Windows\system32\s4827\m4623.exe" ~Brontok~Back~Log~
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Adds policy Run key to start application
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Drops file in Windows directory
          PID:2360
        • C:\Windows\SysWOW64\at.exe
          "C:\Windows\System32\at.exe" /delete /y
          4⤵
            PID:856
          • C:\Windows\SysWOW64\at.exe
            "C:\Windows\System32\at.exe" 17:08 /every:M,T,W,Th,F,S,Su "C:\Users\Admin\AppData\Local\jalak-93927015-bali.com"
            4⤵
              PID:2384
            • C:\Windows\SysWOW64\at.exe
              "C:\Windows\System32\at.exe" 11:03 /every:M,T,W,Th,F,S,Su "C:\Users\Admin\AppData\Local\jalak-93927015-bali.com"
              4⤵
                PID:1476

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\Ad10218\qm4623.exe

          Filesize

          42KB

          MD5

          b36ba34e2aa3ff061e067763560e18a3

          SHA1

          cee7a1e0b3e87389473f94b75620eb32de44d331

          SHA256

          d19c1665ff34fc9a706ab553754fe73c66bf3faf0ebf61ff8b12d016485283dd

          SHA512

          43b413edd4f72f5a395c4051bd898127c742a58ab1439b953e28302c4c4f813b3dfefcfe78c000e69a9c1e0c6e57169bdf54a769181bc007c2119df85c173e6e

        • C:\Windows\SysWOW64\c_27552k.com

          Filesize

          42KB

          MD5

          0b2d88e02b879c09b5a615cf670e592a

          SHA1

          156dea84ee8b56c8e45459358d54f41be0876fb8

          SHA256

          db94bfc9678d07f1c93a7880fdbdda84aa61193500fc0824803d583b637bef2d

          SHA512

          89035bffb6c7a7971ea231f36b9f0fdae644c52e822a3288cb42d47332e25e55fe88cf576064875aa8f3b701862b21d09b2f251260bc6021df1712c126906f71

        • C:\Windows\SysWOW64\s4827\brdom.bat

          Filesize

          73B

          MD5

          6fc63a266767a5de3cc18f2b7ac5a703

          SHA1

          d23d7f8b213e9a311e37d058499502bd207c448e

          SHA256

          3d08ce4422af041981e6e9b0c55bceeaac098940c5e37f459fa22eb472390812

          SHA512

          ee6b97e09d1a1de916771143235e545cccfab6d22d2355d5c7994a0c9aafcfd640bf78cbd19570dace378e4c1b8b784278c41c80d45a62ac60c75e944110976c

        • \Windows\SysWOW64\s4827\lsass.exe

          Filesize

          42KB

          MD5

          9d0fdab2cf04b4546ce975a03ddb2eaf

          SHA1

          c0cb61e8d947f031226b98a015a509c65516b7f2

          SHA256

          d842bd8dc8a70ce6498709d76e1d7504e54dd4b7715262de2c1b44c4f4d4c163

          SHA512

          04f995169647416fbb6525e0ee2a51fb8bbf0b74d801f5020165fdaf797b61edcd0fdb028f558cf39ffad738d45093cf10738403ac69c9388ba52d5cccd1e5a0

        • \Windows\SysWOW64\s4827\m4623.exe

          Filesize

          42KB

          MD5

          12b10c8bcd5accdcfd8dce436579a99a

          SHA1

          9086af0af2b42dfa13d8f1b84bc6bf515ed13514

          SHA256

          34482b8663522a8c24205ce492a40fd5d0916b0215079b09a332922d9f7ff4cf

          SHA512

          3e0aa71497367a43609e891c164fca38238c09c17a1a66f4882a9bd166086fa2fe4e222306db495a70fa4b921992fd7be18c3b232f456afed52399e005d77bee

        • \Windows\SysWOW64\s4827\winlogon.exe

          Filesize

          42KB

          MD5

          80f31d2fe20931aefb069b31be9066ee

          SHA1

          f80fa6da3c85e8a21e6bf6cf5a75b2a79bfb0dea

          SHA256

          2c6ec25499787ec03bd74983e8a5147fa080e6ea068045a7d1a7a7ad58500ccc

          SHA512

          ddb941a96ebb3d6c5abd749eb8276b46e52c82c18326d94b2183d785ad141eaf83b9d508ca9e35d942058d0aa37414398a3580d2bfc5a9ef800af36794261cb9

        • memory/1588-479-0x0000000002700000-0x000000000270B000-memory.dmp

          Filesize

          44KB

        • memory/1588-124-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/1588-686-0x0000000002700000-0x000000000270B000-memory.dmp

          Filesize

          44KB

        • memory/1588-304-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/1868-303-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-829-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-735-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-905-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-135-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-577-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-985-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-1081-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-474-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-385-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-381-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-305-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2308-652-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-386-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-145-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-1082-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-986-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-906-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-830-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-306-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-736-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-653-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-578-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2360-475-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-648-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-300-0x00000000003D0000-0x00000000003EB000-memory.dmp

          Filesize

          108KB

        • memory/2440-1149-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-380-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-144-0x0000000001D80000-0x0000000001D9B000-memory.dmp

          Filesize

          108KB

        • memory/2440-299-0x00000000003D0000-0x00000000003EB000-memory.dmp

          Filesize

          108KB

        • memory/2440-470-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-134-0x0000000001D80000-0x0000000001D9B000-memory.dmp

          Filesize

          108KB

        • memory/2440-564-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-1049-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-123-0x0000000001D80000-0x0000000001D9B000-memory.dmp

          Filesize

          108KB

        • memory/2440-113-0x0000000001D80000-0x0000000001D9B000-memory.dmp

          Filesize

          108KB

        • memory/2440-343-0x0000000001D80000-0x0000000001D9B000-memory.dmp

          Filesize

          108KB

        • memory/2440-901-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-972-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-342-0x0000000001D80000-0x0000000001D9B000-memory.dmp

          Filesize

          108KB

        • memory/2440-106-0x0000000001D80000-0x0000000001D9B000-memory.dmp

          Filesize

          108KB

        • memory/2440-84-0x00000000003D0000-0x00000000003EB000-memory.dmp

          Filesize

          108KB

        • memory/2440-720-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-259-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-55-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-341-0x0000000001D80000-0x0000000001D9B000-memory.dmp

          Filesize

          108KB

        • memory/2440-824-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2440-298-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2572-49-0x0000000002100000-0x000000000211B000-memory.dmp

          Filesize

          108KB

        • memory/2572-193-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-732-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-471-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-1150-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-826-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-649-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-982-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-301-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-902-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-565-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2764-1078-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2968-25-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2968-17-0x0000000002F90000-0x0000000002FAB000-memory.dmp

          Filesize

          108KB

        • memory/2968-0-0x0000000000400000-0x000000000041A040-memory.dmp

          Filesize

          104KB

        • memory/2968-24-0x0000000002F90000-0x0000000002FAB000-memory.dmp

          Filesize

          108KB