Resubmissions

15-02-2022 10:41

220215-mq6pmsfcgj 10

01-02-2022 14:58

220201-sb6zragdg4 10

Analysis

  • max time kernel
    79s
  • max time network
    84s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    15-02-2022 10:41

General

  • Target

    AvastAuth._decrypt.dll

  • Size

    162KB

  • MD5

    adbc1eaaecab410501ea4b2a35f6231a

  • SHA1

    cca00de2a97c7aae8b9cdffa5379b698d56280f8

  • SHA256

    6cdd1ef4cccca8c8fc80264eb0bf999cc80857a099a0037b14105b678a9368d3

  • SHA512

    84e909dabd4f620197b7cea7c4cd9517df2bfc61699e366a408ecd7105e825018bbebac0791e8ff308c53a4da7d29a226ea5f616f82e85f238b74c93cecf094f

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\AvastAuth._decrypt.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\AvastAuth._decrypt.dll,#1
      2⤵
        PID:1568
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 616
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2004

    Network

    MITRE ATT&CK Matrix

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    Downloads