Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 05:21

General

  • Target

    eaa9442a3074dbdfff0a405a92efcb3a_JaffaCakes118.exe

  • Size

    142KB

  • MD5

    eaa9442a3074dbdfff0a405a92efcb3a

  • SHA1

    cf64431f58598e47c9ff9a1f44a9683e74d5b89d

  • SHA256

    e12d635430c4ac63868579c19008ba08dd841ac087798df3ebca26ef31215b84

  • SHA512

    88ebbccdf9535f1279ae8b0ee95aaba8881959dab775d103b9a0a4575ab6ce811c6187e3bf6b06cfd94b626538ff0b717a1a962a908b61ef5501e1ebd5601020

  • SSDEEP

    3072:qnOn7t7XpdpCCTg/sxFgJKeqgKJ+BCxCqRr72VhUFtLF/ywvF0YwjtDcZrkcrts8:qKpdcCrTdgKwi32VhUPLFqk0rICYtF

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\eaa9442a3074dbdfff0a405a92efcb3a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eaa9442a3074dbdfff0a405a92efcb3a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\downloadmr.exe /u4d48824f-345c-4a9b-9d9f-793b5bc06ebe /e1772
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • \Users\Admin\AppData\Local\Temp\nsi4C8C.tmp\downloadmr.exe

    Filesize

    122KB

    MD5

    da254a8488b60244654e1cf4d6796cf8

    SHA1

    23d06f4589786652a3a226b5012a5520a3d03452

    SHA256

    6d3b82a7ad74a1e88ae4d0f9176082130f1558fb3ff42a8b45ca8b80445efc2d

    SHA512

    d311f90ad65441f6c7ae55220c2c3f117aa7601d083e6847e1b58b96c3c332d68a25d445310818396dc88678fb9ec5356f35a04a392c3d23746a2231e14b0a2e

  • memory/2432-29-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2752-18-0x0000000073EA1000-0x0000000073EA2000-memory.dmp

    Filesize

    4KB

  • memory/2752-19-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/2752-20-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/2752-21-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/2752-22-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/2752-23-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/2752-24-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB

  • memory/2752-25-0x0000000073EA0000-0x000000007444B000-memory.dmp

    Filesize

    5.7MB