Analysis

  • max time kernel
    150s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 02:45

General

  • Target

    a51563747130d0795c8f53fe3f12f9ae_JaffaCakes118.exe

  • Size

    33KB

  • MD5

    a51563747130d0795c8f53fe3f12f9ae

  • SHA1

    e930abaf1331f97a497dc7d6088154906541869b

  • SHA256

    4f6bc0019b51f2fa6eb9ddb83860d35196a34e51db24706a9f8d42c3821ed438

  • SHA512

    388747aea615f512fe2102b222b6d1023a9978feeb2b3491db7f140fbf7738b2997792a20e7a7d4309efa84b436b54468c5826d5501d9a447851b538f9d40b97

  • SSDEEP

    768:I0X7HC9hO5RroZJ767395uINnEfDKBbUCp1OTZ+/V:Ici9he+Zk77RNzLiTO

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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: EnumeratesProcesses 30 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1268
      • C:\Users\Admin\AppData\Local\Temp\a51563747130d0795c8f53fe3f12f9ae_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\a51563747130d0795c8f53fe3f12f9ae_JaffaCakes118.exe"
        2⤵
        • Drops startup file
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3000
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2208
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2564
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2844
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

      Filesize

      258KB

      MD5

      68a0c694558cf9f6d488514f50f8a4fd

      SHA1

      eb0e09d96f47c361193267e2606134190b955cb9

      SHA256

      bda2f7b289f79ea8ca5ae579b345703c374c303f9b3193d8e56646462077389f

      SHA512

      6b3cf632b303e1726a2cadfdfc83b4689afc87d704e80f496a2f7bf1b8e24a1fc995fcf36ccd14e6dcd6f315790608c734341c818727dfabe9b705d53e66d5f4

    • C:\Program Files\7-Zip\7zG.exe

      Filesize

      717KB

      MD5

      3258ac9fd8a17c2114f91d6483268b5d

      SHA1

      9472e5d11c9aa3ac75a0d9666fe0836f6eb55acd

      SHA256

      066949ac6d43ad262f8a2b2ac48fe154b970152244295c6686d69465e1bcd578

      SHA512

      f1a6e4aba72f867c6d1f5a9743003758f065bcbbdb65a650d0f62e3cf7c18deee9f8a9a7c446913900d1f3b35942663382a91c882a08483992cde1758df67f71

    • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

      Filesize

      478KB

      MD5

      f5cd7b35ea5f0009cdb5355dbc356066

      SHA1

      c06af0b31cdebdc4e31d57f448acb174e5be44b7

      SHA256

      472ce6c84e17f672782a003fa17f8d412c85a25675f83d16b1a1fb7bfc085f6d

      SHA512

      89573e495959ad60f4a4079248f3cfb6991b8c700223538a269d7553baaacd6de837f26cfe1a4f6a6c0940b8d758406ae2d9e85f2e5738371c9025ea699a7d28

    • F:\$RECYCLE.BIN\S-1-5-21-940600906-3464502421-4240639183-1000\_desktop.ini

      Filesize

      9B

      MD5

      36657916738d378a6daf6ec7b690badd

      SHA1

      e4d3726bd02e1e99b12ada04a242fd6ef7c2843c

      SHA256

      7cd83d4ff3f3c6844b544fa7790bc1e7ed8bf829627657544861ac726071831c

      SHA512

      b7878056ad1c2294fb0e659eee6c7861948010b69a43930d8a243f61cebbea83fcd6fb11db19c01f731a925a7a744c6cc4de2eb0ffdc3863acf71e4cc05b2d6b

    • memory/1268-3-0x00000000025C0000-0x00000000025C1000-memory.dmp

      Filesize

      4KB

    • memory/3000-0-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/3000-7-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/3000-2976-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/3000-4164-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB