Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 15:12

General

  • Target

    JaffaCakes118_40dd585383358253ab47de6f05b38a71.exe

  • Size

    564KB

  • MD5

    40dd585383358253ab47de6f05b38a71

  • SHA1

    7a95736022859031c6d06c9dbcafcc0eb66d134b

  • SHA256

    e31eb92bc1607542f267d7f7050664e43d7cbacdaa1852345e4d74e28cd6d44f

  • SHA512

    2849cacaa9606057012476e0c5474d5e60341c45e9994a0a2d29a0e24281ec8e99f60d95ad681ea92f0be9fddf32a523a29d2da0467cfac4cdbdd3f0ba3e7cf1

  • SSDEEP

    12288:u+MDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0Ub:utplNFgxG5eZngb0U

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • NSIS installer 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 37 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dd585383358253ab47de6f05b38a71.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dd585383358253ab47de6f05b38a71.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
      C:\Users\Admin\AppData\Local\Temp\nbfile0.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1500
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\1.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:436
    • C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
      C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1668
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.97199.com/install2/?sl3
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1988
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1988 CREDAT:17410 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4572
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile1.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4376

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          471B

          MD5

          65ff4e1a660b03c192195dc09416d8a8

          SHA1

          c8e9c1b5d0e74e2f581eaa06d77db42ddb2b24b9

          SHA256

          25f890730498e80c6b85f0ca869917f45af6cadbb427695a615181eac3285dc2

          SHA512

          3efa3c79d74861659b4e6e97b362fb4943eeae2e81425029bbf407fb2c4c914bc2d2b43bc8164e9ed050cdb24f411a8582e086eb3557227ad79ec2256c5a52ba

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

          Filesize

          404B

          MD5

          724e446070cdf854a793c9fa8f8f009f

          SHA1

          cfd1e152d4d86161a74459cd9090b3b04ac44c42

          SHA256

          e10bc6731c11841350f557136451f3dacfb55308a1c56af04a44a68e655d27c6

          SHA512

          bfe7100cd86ef8ad559ba463f597392fa3b1cf0daa47003a223632727a4eb61c9d1c5fe679d7d4a12184b37c72b648a4b9d99591ccca65853513d5efb56b7fb9

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\W9QJOIKH\suggestions[1].en-US

          Filesize

          17KB

          MD5

          5a34cb996293fde2cb7a4ac89587393a

          SHA1

          3c96c993500690d1a77873cd62bc639b3a10653f

          SHA256

          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

          SHA512

          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

        • C:\Users\Admin\AppData\Local\Temp\nbfile0.exe

          Filesize

          35KB

          MD5

          08f52a4ccd01913b9a9691093a64366f

          SHA1

          e44c6620b4107a0f55e89f632c007a9a1ec88119

          SHA256

          85357e0168e34f2d01f319a0f129132b77f03cafb6820ecf6dda64a39266582d

          SHA512

          d6a9eed3a663f59047cb6d74aed375a7041060921ea80835f039726fa171fbf7b030c29a4c3059ae875058605f54bebfcba7d4daaf36b5ed1cb960e91d4755fc

        • C:\Users\Admin\AppData\Local\Temp\nbfile1.exe

          Filesize

          467KB

          MD5

          74869a0346ab36bbba85022612505121

          SHA1

          2cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a

          SHA256

          6de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a

          SHA512

          723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5

        • C:\newsetup.vbs

          Filesize

          631B

          MD5

          5e2c0c26e344eeae4304c9bb561ea89b

          SHA1

          4664f9d0f582ab586ab197515aa45499eb18db41

          SHA256

          f74ed58e1ff45165abf943ff0364fff8e5d873b9051ccba0da940399fbd8aac3

          SHA512

          4aa5f6d5c35160470f99808dab9a68f826e726eae0b7f536e71665b978d72502faf971c4f9f2a9a792b3aca04736c9c97d633da7b34b50dbd3831dcb67284d97

        • memory/1668-8-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/1668-10-0x00000000001C0000-0x00000000001C2000-memory.dmp

          Filesize

          8KB

        • memory/1668-19-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/1716-18-0x0000000000400000-0x0000000000493000-memory.dmp

          Filesize

          588KB