Analysis

  • max time kernel
    27s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22-02-2023 11:44

General

  • Target

    104.168.46.126_-_o_-_b08.exe___cbcffdbddd074c247071caed0e162729.exe

  • Size

    17KB

  • MD5

    cbcffdbddd074c247071caed0e162729

  • SHA1

    eec65a6aa6eaa1fa44b1832d405651e6dc87fe57

  • SHA256

    2ad849391b902e19d516b7cd3eb0c1977eba5f39baf5f1e687ec09613866b721

  • SHA512

    9adf006b456245c5332b0fb69d8f76b2c46a53b6658d69e179a8ed8cafda61b86e1000e7744eefc7568f9aea0e27053b57449be947846d4a9cf9f4b8a3fc8d92

  • SSDEEP

    384:UoZHmnT8N7wgseoLf6VYgQE8AWilNekNek+vD7:UGG0cffgLo

Malware Config

Extracted

Family

purecrypter

C2

https://pentatunggal.com/o7/Dnivqllcmu.dat

Signatures

  • PureCrypter

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\104.168.46.126_-_o_-_b08.exe___cbcffdbddd074c247071caed0e162729.exe
    "C:\Users\Admin\AppData\Local\Temp\104.168.46.126_-_o_-_b08.exe___cbcffdbddd074c247071caed0e162729.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 1304
      2⤵
      • Program crash
      PID:552

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1156-54-0x0000000000A60000-0x0000000000A6A000-memory.dmp

    Filesize

    40KB

  • memory/1156-55-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB

  • memory/1156-56-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB