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Analysis

  • max time kernel
    117s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2023, 15:19

General

  • Target

    NEAS.039db5567a5186b57b3a00a04d0e2a20.dll

  • Size

    196KB

  • MD5

    039db5567a5186b57b3a00a04d0e2a20

  • SHA1

    7eda390e7c16fe66c1c89a2913b11cd3a5dd9236

  • SHA256

    f4877f3f155f7aeb635ce86818eea7a159d83c0eaf0e2e86ada8f7018a1a9c71

  • SHA512

    23dab108a5f12655ac8aa1ac24be651fbf5a3c8f3f0b59d9c987143a9b07bba2476a1ca55667b02741cf84c01c6cb3fc91a2e97edf02c992d576964a7c7c094e

  • SSDEEP

    3072:xYmbI+t/5LZseWDzoPZ6WS6BLfvgaSlpcD+05f:2lmSzkPDNGEf

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Fatal Rat payload 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.039db5567a5186b57b3a00a04d0e2a20.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.039db5567a5186b57b3a00a04d0e2a20.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2584-0-0x0000000000170000-0x000000000019A000-memory.dmp

    Filesize

    168KB