Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/09/2024, 20:57

General

  • Target

    fd21772d259012ce9d589d0758817e09_JaffaCakes118.exe

  • Size

    142KB

  • MD5

    fd21772d259012ce9d589d0758817e09

  • SHA1

    e2f851bdffd745cd59e408b9ff458ff2204deca0

  • SHA256

    4fcc3d5713d1ae3a496d44a91b940c571a1d150171d6bf943da27857ccd90e08

  • SHA512

    1a2f61aae2d48e1c1d7837168afff5bc2e530ca96dc0cd617b040ae50e17dbf72a2d3ac934ed0ba15b9f91429fa407dc0fc3fe33001fa7eeff74628fbd625d4f

  • SSDEEP

    3072:anOn7t7XpdpCCTg/sxFgJKeqgKJ+BCaCx1MriUiNQ/BJf6MQiLRU7e2:aKpdcCrTdgKHxWtiS/BJfZ1Uq2

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd21772d259012ce9d589d0758817e09_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd21772d259012ce9d589d0758817e09_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Users\Admin\AppData\Local\Temp\nsjDCAB.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsjDCAB.tmp\downloadmr.exe /u4dc9054e-38b0-4614-bdd5-20605bc06f26 /e2287497
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1228

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\nsjDCAB.tmp\System.dll

          Filesize

          21KB

          MD5

          5ebc73650256e9c8ddbcda231db829a1

          SHA1

          988d4535e18754ab2a6248abae96c5697d7dbcd5

          SHA256

          1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

          SHA512

          b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

        • \Users\Admin\AppData\Local\Temp\nsjDCAB.tmp\downloadmr.exe

          Filesize

          122KB

          MD5

          da254a8488b60244654e1cf4d6796cf8

          SHA1

          23d06f4589786652a3a226b5012a5520a3d03452

          SHA256

          6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

          SHA512

          d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

        • memory/1228-18-0x00000000747A1000-0x00000000747A2000-memory.dmp

          Filesize

          4KB

        • memory/1228-19-0x00000000747A0000-0x0000000074D4B000-memory.dmp

          Filesize

          5.7MB

        • memory/1228-20-0x00000000747A0000-0x0000000074D4B000-memory.dmp

          Filesize

          5.7MB

        • memory/1228-21-0x00000000747A0000-0x0000000074D4B000-memory.dmp

          Filesize

          5.7MB

        • memory/1228-22-0x00000000747A0000-0x0000000074D4B000-memory.dmp

          Filesize

          5.7MB

        • memory/1228-23-0x00000000747A0000-0x0000000074D4B000-memory.dmp

          Filesize

          5.7MB

        • memory/1228-24-0x00000000747A0000-0x0000000074D4B000-memory.dmp

          Filesize

          5.7MB

        • memory/1228-25-0x00000000747A0000-0x0000000074D4B000-memory.dmp

          Filesize

          5.7MB

        • memory/1228-26-0x00000000747A0000-0x0000000074D4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2888-30-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB