Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2023, 00:53

General

  • Target
    fa423ae9c8044f369df9fc62048653a3971fe43c8016aeb4846abc4c8cfff3f1.exe
  • Size 108KB
  • Sample230228-a86fdage4t
  • SHA256 fa423ae9c8044f369df9fc62048653a3971fe43c8016aeb4846abc4c8cfff3f1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • purecrypter

C2
  • https://cents-ability.org/loader/uploads/withoutstartup_Ohumbilg.png

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\fa423ae9c8044f369df9fc62048653a3971fe43c8016aeb4846abc4c8cfff3f1.exe
    "C:\Users\Admin\AppData\Local\Temp\fa423ae9c8044f369df9fc62048653a3971fe43c8016aeb4846abc4c8cfff3f1.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1396

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1396-133-0x00000000002B0000-0x00000000002D0000-memory.dmp

        memory/1396-134-0x0000000005360000-0x0000000005904000-memory.dmp

        memory/1396-135-0x0000000004C80000-0x0000000004D12000-memory.dmp

        memory/1396-136-0x0000000004F60000-0x0000000004F70000-memory.dmp

        memory/1396-137-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

        memory/1396-138-0x0000000004F60000-0x0000000004F70000-memory.dmp