Analysis

  • max time kernel
    136s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 12:04

General

  • Target

    New Project Sets KV222LLV1.exe

  • Size

    7KB

  • MD5

    4fb94a7ddd79bab8fc7ef9891f4f7e19

  • SHA1

    840f8e0652e7ffa9d8650ba1ff62f0ddab00cef2

  • SHA256

    3ae49a5b78ab66f58f2d5805940b0f73b46b942dc0ee12bb60bf6ec88425550a

  • SHA512

    8fedd969465be1b6f87078276a37850a8d18a8ceebef9dd69f14702c4e392f30449456bab6f95a80df092c5c49f236df5b5cf013b02cc0d4280d4222920d93df

  • SSDEEP

    96:TT3HQfHAWy0/lymtF6vBRl4gT9S40/g8yutGFEoOzNt:P34/4ekJB040/FyOGJI

Malware Config

Extracted

Family

purecrypter

C2

https://360.asesoriaenfarmacias.com/Jhacc.dat

Signatures

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Project Sets KV222LLV1.exe
    "C:\Users\Admin\AppData\Local\Temp\New Project Sets KV222LLV1.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1256
  • 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 --field-trial-handle=3776,i,3833046924978547022,12404847742964713612,262144 --variations-seed-version --mojo-platform-channel-handle=4224 /prefetch:8
    1⤵
      PID:3692

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1256-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp
      Filesize

      4KB

    • memory/1256-1-0x0000000000D90000-0x0000000000D98000-memory.dmp
      Filesize

      32KB

    • memory/1256-2-0x0000000074EF0000-0x00000000756A0000-memory.dmp
      Filesize

      7.7MB

    • memory/1256-3-0x0000000074EFE000-0x0000000074EFF000-memory.dmp
      Filesize

      4KB

    • memory/1256-4-0x0000000074EF0000-0x00000000756A0000-memory.dmp
      Filesize

      7.7MB