Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 03:21

General

  • Target

    f7274dc23686a1bb3196c22a482c5b9e_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    f7274dc23686a1bb3196c22a482c5b9e

  • SHA1

    5fc7de9894ba83dd7dcaefdc4d5af5e19ba285c4

  • SHA256

    5496177168dd3398c46828269ae5391a3ffe80c656af8f1bbc6647fc1440048a

  • SHA512

    35c2174f81a07067c58cac0e1004c7bd94a57060fa254ebe828710275a55c67aee2076d8bdfdc443b5e904700072bbbbffebc3db4eb04feac3ceb36994f18ba1

  • SSDEEP

    3072:3nOn7t7XpdpCCTg/sxFgJMeq8KImCJ84rFG2/deHSOXSZ:3KpdcCrTv8KkJLDwiZ

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).

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7274dc23686a1bb3196c22a482c5b9e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7274dc23686a1bb3196c22a482c5b9e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\nsl740.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsl740.tmp\downloadmr.exe /e2502498 /u4d488269-6268-4c29-b4c2-79305bc06ebe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2504
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4124 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4760

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsl740.tmp\System.dll

      Filesize

      21KB

      MD5

      5ebc73650256e9c8ddbcda231db829a1

      SHA1

      988d4535e18754ab2a6248abae96c5697d7dbcd5

      SHA256

      1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

      SHA512

      b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

    • C:\Users\Admin\AppData\Local\Temp\nsl740.tmp\downloadmr.exe

      Filesize

      135KB

      MD5

      fb753ca8f8abe185c761c5a729552f05

      SHA1

      d87aeac1b5c45792997dd6da20687c2a60072665

      SHA256

      d9b21b59169dc040c604bf10bf53521633fbe54911a32ae9ea78136297f3c454

      SHA512

      271be08c81bc23ecf3ab0c6355f7c171cbd227b773b1cde3ff6389ea01246952bee4d8c213f4e2428ff6f62510dfbe609c66f079e0d4b03c148894989061ac15

    • memory/1640-33-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

      Filesize

      52KB

    • memory/1640-47-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1640-32-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2504-15-0x00000000011E0000-0x00000000011F0000-memory.dmp

      Filesize

      64KB

    • memory/2504-14-0x00000000747A0000-0x0000000074D51000-memory.dmp

      Filesize

      5.7MB

    • memory/2504-35-0x00000000011E0000-0x00000000011F0000-memory.dmp

      Filesize

      64KB

    • memory/2504-34-0x00000000011E0000-0x00000000011F0000-memory.dmp

      Filesize

      64KB

    • memory/2504-36-0x00000000011E0000-0x00000000011F0000-memory.dmp

      Filesize

      64KB

    • memory/2504-39-0x00000000747A0000-0x0000000074D51000-memory.dmp

      Filesize

      5.7MB

    • memory/2504-40-0x00000000747A0000-0x0000000074D51000-memory.dmp

      Filesize

      5.7MB

    • memory/2504-41-0x00000000011E0000-0x00000000011F0000-memory.dmp

      Filesize

      64KB

    • memory/2504-43-0x00000000747A0000-0x0000000074D51000-memory.dmp

      Filesize

      5.7MB

    • memory/2504-13-0x00000000747A0000-0x0000000074D51000-memory.dmp

      Filesize

      5.7MB