Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-08-2024 03:31

General

  • Target

    c2327665b9b3b67e40a1f69fc1c88b20_JaffaCakes118.exe

  • Size

    680KB

  • MD5

    c2327665b9b3b67e40a1f69fc1c88b20

  • SHA1

    2efab0bdc6d095b761c379865e78ac847078e2b9

  • SHA256

    3a21180164fa3135c66bad4bea0e499b051d1f953aaff55631ea1476c711d102

  • SHA512

    41b8defa17c1174caf0fff7c179924c6b2e7f1663dccefbf4cf9ad637096c224e9dfb1785c637e71d312d9b3e2448df520b56e0bdfc019896eb4eded5aa13e9d

  • SSDEEP

    12288:2ClephVMo7IYJAB++2RrxRAjbeNC2v+clES+vYOqH:rOhKpYyB/MrxRAZMES+b+

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 21 IoCs

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

  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 53 IoCs
  • Drops desktop.ini file(s) 2 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3448
    • C:\Users\Admin\AppData\Local\Temp\c2327665b9b3b67e40a1f69fc1c88b20_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\c2327665b9b3b67e40a1f69fc1c88b20_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:620
      • C:\Users\Admin\GFW6ssUz.exe
        C:\Users\Admin\GFW6ssUz.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Checks computer location settings
        • 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:3904
        • C:\Users\Admin\ceateos.exe
          "C:\Users\Admin\ceateos.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
          PID:2380
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del GFW6ssUz.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2480
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:404
      • C:\Users\Admin\2kaq.exe
        C:\Users\Admin\2kaq.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2400
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2964
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1724
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:676
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:4000
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          PID:2716
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 80
            5⤵
            • Program crash
            PID:1908
      • C:\Users\Admin\3kaq.exe
        C:\Users\Admin\3kaq.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4892
        • C:\Users\Admin\AppData\Local\5f0d574a\X
          *0*bc*75287233*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4328
      • C:\Users\Admin\4kaq.exe
        C:\Users\Admin\4kaq.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4396
        • C:\Users\Admin\AppData\Roaming\xbyxfasrsdisingfrc3zejgfmweigwtz2\svcnost.exe
          "C:\Users\Admin\AppData\Roaming\xbyxfasrsdisingfrc3zejgfmweigwtz2\svcnost.exe"
          4⤵
          • Modifies firewall policy service
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops desktop.ini file(s)
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          PID:4940
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del c2327665b9b3b67e40a1f69fc1c88b20_JaffaCakes118.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1432
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2716 -ip 2716
    1⤵
      PID:4936

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\2kaq.exe

      Filesize

      132KB

      MD5

      d7dbb57f65cb963477a8fa11714ec0be

      SHA1

      756d29032644973b9f48980a1e30448206811119

      SHA256

      94242fda567e2b4dc0be9d4ca5370ff0ddee2d25751dd191c3fed995837c10ec

      SHA512

      1db3577abd73c8c8667da426faedf63ad9c7a75462cbeac0be19a525690baaa9f1d8446d3b804abbf24550d73cbefecf6c77c224539e8dd5db37f34f7e975fdc

    • C:\Users\Admin\3kaq.exe

      Filesize

      277KB

      MD5

      00b72668c42555c6d9e3cee383730fc0

      SHA1

      509a7c39baf2b9a46813c641cca687b37e244d5a

      SHA256

      baaacce5c3f18154d4925ec6568ccf66f4ab9ee5477bd0faf44f08d9397641dd

      SHA512

      1bfa5cd6081a5e8556b452cf4741831da829fcc9e2b51c77c92a4fdacfa1b934d14bc049f8185be09b1447664f55956f69e7fd16a868c9655eb32f9b9ef02e78

    • C:\Users\Admin\4kaq.exe

      Filesize

      120KB

      MD5

      ee3508d5206de400e5792c826ae71aae

      SHA1

      b448132f604b7e886343b911cc56371a7f251c04

      SHA256

      f6226f935ea3d5ecc4be3ccf6a59caff31ed3e6bd35c5d26fbe3906b4379b35d

      SHA512

      233f72bf8cf5d72b7f7c09bf546220fa0c34511330349fa28ef4c746b19f59696b5e515a7d345862430979800be354ab954aa55f79747a83d601abdf32bd24fb

    • C:\Users\Admin\AppData\Local\5f0d574a\X

      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

    • C:\Users\Admin\AppData\Roaming\desktop.ini

      Filesize

      9KB

      MD5

      4a27242b307c6a836993353035fafc16

      SHA1

      5fea7a41b8f9071848108015d8a952e6f944eea0

      SHA256

      02fd93f64bda51e1e2991184cac13f077d509712e462c9e44be9cf8e22c06de1

      SHA512

      35e9c87642b82df2bf0a9312bb0e9abfb98282db1e34032a4d0150d82c5e2f2e13150ddc896f1e954f02288a1e696a4306ee595b94b1e404c6ec17bac64c44be

    • C:\Users\Admin\AppData\Roaming\ntuser.dat

      Filesize

      54KB

      MD5

      7e8e966927e04a35aec644602b8a9e05

      SHA1

      d201b0b41e8701818d60ddbf9f334332a512c4da

      SHA256

      46f18d9fbf63f378d86962cbf24f5ce57ce257555acd4effdcc41c1e2f1adf5c

      SHA512

      246777c79129a5076b71ca5d3f7e59b06d344f6b5e771892ae8ee68c0b5af9207cd1868b1336b49e6a84665309ad379a33ec6c8e72d7ce41de72153637921a51

    • C:\Users\Admin\GFW6ssUz.exe

      Filesize

      312KB

      MD5

      d0250c92bd9e6c62c0c8227ea7bc0df4

      SHA1

      9a9fd691422b105c5e008764b980d1568c2df957

      SHA256

      ee113e2ee5cd0d396af0e79c2390d059355d24e426886bbacda44d7f39a28007

      SHA512

      99ab659dd56fabf0bd488f754cc7d1b166e1727b5a742d4262062946b5aa79577499fff55e434b6dbe05efa11e9ce2ce58cf68f30e29d9b5580e20de4e974200

    • C:\Users\Admin\ceateos.exe

      Filesize

      312KB

      MD5

      deb70961ee8ab540a376207e93a251f7

      SHA1

      b2e5602f3f1651ec0f978d53d426de73c4ea4111

      SHA256

      696b2c79b603007b52c23deca9f7c16b9e37a55e9ad48749402283074d905da9

      SHA512

      0ad9560f738487c3fed2e647db1e742867136cb2c4b8e323c39aec2c838f878b0627b659b2bacb1d2869851a71a061eb6babf460aa93f6054687bc430fde9ff7

    • memory/676-62-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

    • memory/676-60-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

    • memory/676-65-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

    • memory/676-92-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

    • memory/1724-56-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/1724-59-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/1724-57-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/1724-54-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/2964-47-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/2964-51-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/2964-49-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/2964-81-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4000-63-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4000-95-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4000-67-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4000-68-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4396-88-0x0000000000400000-0x0000000000B19000-memory.dmp

      Filesize

      7.1MB

    • memory/4396-97-0x0000000000400000-0x0000000000B19000-memory.dmp

      Filesize

      7.1MB

    • memory/4892-83-0x0000000030670000-0x00000000306C3000-memory.dmp

      Filesize

      332KB

    • memory/4940-93-0x0000000000400000-0x0000000000B19000-memory.dmp

      Filesize

      7.1MB

    • memory/4940-98-0x0000000000EB0000-0x0000000000ECD000-memory.dmp

      Filesize

      116KB

    • memory/4940-99-0x0000000000EB0000-0x0000000000ECD000-memory.dmp

      Filesize

      116KB

    • memory/4940-116-0x0000000000400000-0x0000000000B19000-memory.dmp

      Filesize

      7.1MB