Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-10-2023 10:40

General

  • Target

    163c5014971669c1f95a0bf3af51eb9e.exe

  • Size

    24KB

  • MD5

    163c5014971669c1f95a0bf3af51eb9e

  • SHA1

    c5d5453240579f3ea5ffc7573558d1d4d8046d95

  • SHA256

    a91c3bba6d4b6d2c16cdcefb9cd57bf213898cf2dd0b66c215dc0ffa3d2ca927

  • SHA512

    80c0e037b1ae81fa56f170dbb83d8f8e7cb362d57c937af3a5f56cc6bd04d836812e1734d3cee8746aa09f3f2eb54c89a5b196eb6e3941a2c68ddb9d7e3a8dcd

  • SSDEEP

    384:+tnekGIJA9Sd2i22i22222A222sf122WO22u02u26x2u2B+222u2R222u2ek22u4:tSVWxSHoCKbEMfnTbxBl

Malware Config

Extracted

Family

purecrypter

C2

https://cdn.discordapp.com/attachments/988727648014458883/988899741725257768/Gcosnd_Obqmhrws.bmp

Signatures

  • PureCrypter

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\163c5014971669c1f95a0bf3af51eb9e.exe
    "C:\Users\Admin\AppData\Local\Temp\163c5014971669c1f95a0bf3af51eb9e.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 1716
      2⤵
      • Program crash
      PID:1152
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1352 -ip 1352
    1⤵
      PID:2724

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1352-0-0x0000000000060000-0x000000000006C000-memory.dmp

      Filesize

      48KB

    • memory/1352-1-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/1352-2-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

      Filesize

      64KB

    • memory/1352-3-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB