Analysis

  • max time kernel
    12s
  • max time network
    85s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    16/10/2020, 08:58

General

  • Target
    1 (13).exe
  • Size 2.7MB
  • Sample201016-3rzyayack6
  • SHA256 8e03a4d51d592ab323ac4e936a424d1237c7918298716ddfc048a3ec22d75f98
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • BazarBackdoor 4 IoCs

    Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.

  • Blacklisted process makes network request 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 852 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1 (13).exe
    "C:\Users\Admin\AppData\Local\Temp\1 (13).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Windows\System32\cmd.exe
      C:\Windows\System32\cmd.exe
      2⤵
      • Blacklisted process makes network request
      PID:1112
  • C:\Users\Admin\AppData\Local\Temp\1 (13).exe
    C:\Users\Admin\AppData\Local\Temp\1 (13).exe 475957485
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1956

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/1112-5-0x000000004A7A0000-0x000000004A7E4000-memory.dmp

        memory/1112-7-0x000000004A7A0000-0x000000004A7E4000-memory.dmp

        memory/1132-0-0x0000000001F90000-0x0000000001FBD000-memory.dmp

        memory/1132-1-0x0000000001FC0000-0x0000000001FEE000-memory.dmp

        memory/1648-2-0x000007FEF71B0000-0x000007FEF742A000-memory.dmp

        memory/1956-4-0x0000000002BE0000-0x0000000002C0E000-memory.dmp