Analysis

  • max time kernel
    94s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-02-2024 22:33

General

  • Target

    fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe

  • Size

    6KB

  • MD5

    b07d1f0141275eb6b6e35e948a5f63f1

  • SHA1

    b047666885d54a5f59fa8dc3dd17d1097d3ae12b

  • SHA256

    fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840

  • SHA512

    c9e3dc67c81aa5da8724f29afec24a1ebac8e01d655acc8a5a4ea1efc01f094d3c8e115b127d1154308fdfc4c8da7f13a5b046e829153ee0ea561ec4d9a4ac22

  • SSDEEP

    48:6a/UR7UC1rg7fpJfzw+2sF3YSFEO0IRC+ebPQKwb565VARX54tiOlXItqFDvpfbi:Yggrg7fm4oPIRCRsnbsVAYlI+BzNt

Malware Config

Extracted

Family

purecrypter

C2

http://80.66.76.30/Eryyhcchii.vdf

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\fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe
    "C:\Users\Admin\AppData\Local\Temp\fb2b2475b815a90a26002e2d0e264b1d5e18b0b76b4911a0ad68783e20a69840.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1220

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1220-0-0x0000023747010000-0x0000023747018000-memory.dmp

    Filesize

    32KB

  • memory/1220-1-0x00007FFC03180000-0x00007FFC03C41000-memory.dmp

    Filesize

    10.8MB

  • memory/1220-2-0x0000023748E70000-0x0000023748E80000-memory.dmp

    Filesize

    64KB

  • memory/1220-3-0x00007FFC03180000-0x00007FFC03C41000-memory.dmp

    Filesize

    10.8MB