Resubmissions

29-04-2021 00:24

210429-zlrd5mr8ke 10

27-04-2021 19:02

210427-4qrnfw951s 10

Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-04-2021 00:24

General

  • Target

    ee1db7f0ad39df1af6eb5166447b1471.exe

  • Size

    386KB

  • MD5

    ee1db7f0ad39df1af6eb5166447b1471

  • SHA1

    9111bc344d733b1aba0aef2e81b5e9fbc9d01e8f

  • SHA256

    842e396f05d590ec88da30e6180dfb29a7aec16e3ef5b49398fde8b79e4090bd

  • SHA512

    26366e9fbc998105a4ee00ab91abb4110fc8849a513a29821e3611a3762cfb083722bc83836704de87531e9164d648e16b6a381daa3f046ead17ac4422fab0e0

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • BazarBackdoor

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

  • Bazar/Team9 Backdoor payload 3 IoCs
  • Bazar/Team9 Loader payload 2 IoCs
  • Blocklisted process makes network request 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee1db7f0ad39df1af6eb5166447b1471.exe
    "C:\Users\Admin\AppData\Local\Temp\ee1db7f0ad39df1af6eb5166447b1471.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4044
    • C:\Windows\System32\cmd.exe
      C:\Windows\System32\cmd.exe
      2⤵
      • Blocklisted process makes network request
      PID:2404
  • C:\Users\Admin\AppData\Local\Temp\ee1db7f0ad39df1af6eb5166447b1471.exe
    C:\Users\Admin\AppData\Local\Temp\ee1db7f0ad39df1af6eb5166447b1471.exe 1903599908
    1⤵
      PID:4012

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2404-118-0x00007FF743230000-0x00007FF743281000-memory.dmp

      Filesize

      324KB

    • memory/2404-119-0x00007FF743254554-mapping.dmp

    • memory/2404-120-0x00007FF743230000-0x00007FF743281000-memory.dmp

      Filesize

      324KB

    • memory/4012-116-0x0000024546D60000-0x0000024546D9E000-memory.dmp

      Filesize

      248KB

    • memory/4044-114-0x00000192D9AC0000-0x00000192D9AFE000-memory.dmp

      Filesize

      248KB