Analysis

  • max time kernel
    145s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11/11/2020, 16:05

General

  • Target
    931fdd551975cf30ae02f85a90c5ee22.exe
  • Size 215KB
  • Sample201111-xt5bxz96ea
  • SHA256 28af95bea8456409bdb09856b0f46304eff9801c3c841b1362ca7a794d7628a5
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\931fdd551975cf30ae02f85a90c5ee22.exe
    "C:\Users\Admin\AppData\Local\Temp\931fdd551975cf30ae02f85a90c5ee22.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe
      "C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe"
      2⤵
      • Executes dropped EXE
      PID:1580
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c schtasks /create /F /sc minute /mo 1 /tn "\WindowsAppPool\AppPool" /tr "C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /F /sc minute /mo 1 /tn "\WindowsAppPool\AppPool" /tr "C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe"
        3⤵
        • Creates scheduled task(s)
        PID:1208
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {00727168-A724-4494-888A-669FA25954FC} S-1-5-21-293278959-2699126792-324916226-1000:TUICJFPF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe
      C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe
      2⤵
      • Executes dropped EXE
      PID:620
    • C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe
      C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe
      2⤵
      • Executes dropped EXE
      PID:1968
    • C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe
      C:\Users\Admin\AppData\Local\Temp\bdalGDAA.exe
      2⤵
      • Executes dropped EXE
      PID:1584

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/620-16-0x00000000007A0000-0x00000000007B1000-memory.dmp

        memory/684-2-0x000007FEF6100000-0x000007FEF637A000-memory.dmp

        memory/1580-15-0x0000000000980000-0x0000000000991000-memory.dmp

        memory/1632-0-0x00000000005AB000-0x00000000005AC000-memory.dmp

        memory/1632-1-0x0000000001F10000-0x0000000001F21000-memory.dmp

        memory/1968-19-0x0000000000A30000-0x0000000000A41000-memory.dmp