Analysis

  • max time kernel
    96s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 22:52

General

  • Target

    b55db448e13f45a57ae29ebee39c40f5_JaffaCakes118.exe

  • Size

    142KB

  • MD5

    b55db448e13f45a57ae29ebee39c40f5

  • SHA1

    fcddefcd2dacc9a4ea2c4d8702e5fe4d79099f99

  • SHA256

    95919d60dee927f4763d3d26b3bb1276002b581bf61fbff4944c31425b25eed1

  • SHA512

    889941236f7e3003d7ea9938a860b3bd4720290b41294b5afc97e6ebceda423fcf3cad23c969c880b781ceae5f4a5dad519a8e1079fd80e25e4519afa86b2588

  • SSDEEP

    3072:ynOn7t7XpdpCCTg/sxFgJaeqgKJ+BC+CKPpzfnTmfDH8snymHvnqQ5t:yKpdcCrTdgKbKPBcDHYmfqw

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b55db448e13f45a57ae29ebee39c40f5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b55db448e13f45a57ae29ebee39c40f5_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Users\Admin\AppData\Local\Temp\nsmA3C4.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsmA3C4.tmp\downloadmr.exe /u4d488269-6268-4c29-b4c2-79305bc06ebe /e1941203
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3332

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nsmA3C4.tmp\System.dll

          Filesize

          21KB

          MD5

          5ebc73650256e9c8ddbcda231db829a1

          SHA1

          988d4535e18754ab2a6248abae96c5697d7dbcd5

          SHA256

          1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

          SHA512

          b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

        • C:\Users\Admin\AppData\Local\Temp\nsmA3C4.tmp\downloadmr.exe

          Filesize

          122KB

          MD5

          da254a8488b60244654e1cf4d6796cf8

          SHA1

          23d06f4589786652a3a226b5012a5520a3d03452

          SHA256

          6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

          SHA512

          d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

        • memory/3332-13-0x0000000074582000-0x0000000074583000-memory.dmp

          Filesize

          4KB

        • memory/3332-14-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/3332-15-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/3332-16-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/3332-17-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/3332-18-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/3332-19-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/3332-20-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/3332-21-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/3332-22-0x0000000074582000-0x0000000074583000-memory.dmp

          Filesize

          4KB

        • memory/3332-23-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/3332-25-0x0000000074580000-0x0000000074B31000-memory.dmp

          Filesize

          5.7MB

        • memory/5048-29-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB