Analysis

  • max time kernel
    77s
  • max time network
    172s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    09-02-2023 10:58

General

  • Target

    file.exe

  • Size

    5.0MB

  • MD5

    6751ece6521d2c20be23a4855c958823

  • SHA1

    25d0de6b309e54dece4e7d7f8b1cfdc54b780eca

  • SHA256

    0cd8694a6d353aaf9b35ae711c0c9c49cbbd0f7f11c86a3c77168ca46d13538f

  • SHA512

    4150b4107cda5c9bd4ba37b693c7b8e86e3c461b9b7add6b6436bb9f200877e901f0a6ebb85f73d734d1ae6da3a8e6e2944e96034b774bd5eff35c57ccbde19d

  • SSDEEP

    98304:4ezYo0HRBYigZsa0BjkcC+BQSw6qvayvCgnWG1GlbY24B:4ez62tqhAWQSwzv9nr8hcB

Malware Config

Signatures

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 316
      2⤵
      • Program crash
      PID:1480

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1480-58-0x0000000000000000-mapping.dmp
  • memory/1772-54-0x0000000075291000-0x0000000075293000-memory.dmp
    Filesize

    8KB

  • memory/1772-55-0x0000000000A30000-0x00000000014A5000-memory.dmp
    Filesize

    10.5MB