Resubmissions

23-01-2024 11:21

240123-nf6gkaaea6 10

01-07-2020 07:49

200701-87235lf94e 10

Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    01-07-2020 07:49

General

  • Target

    june30.dll

  • Size

    607KB

  • MD5

    086e1c7401f82543d162ebaef816ef35

  • SHA1

    25fbe1ef6ed713011a02cd6fc930105d4f612130

  • SHA256

    b8cef342a47915615a35aab7333567db7c86570d4d3362470e19b6d0b3dab1af

  • SHA512

    be9bd937ef926cab65ada2f4103642993ae1428fa6b9a83f9824cc4f10cb07354954fa948a5d9b2c83ac79f7ac04269d9fb3ac8f21e46c53fdb2b4dd39c726f7

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 52 IoCs
  • Blacklisted process makes network request 16 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Runs net.exe
  • Discovers systems in the same network 1 TTPs 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Zloader, Terdot, DELoader, ZeusSphinx

    Zloader is a malware strain that was initially discovered back in August 2015.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Modifies service 2 TTPs 2 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\june30.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\june30.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetThreadContext
      PID:596
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        • Blacklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1880
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c ipconfig /all
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1608
          • C:\Windows\SysWOW64\ipconfig.exe
            ipconfig /all
            5⤵
            • Modifies service
            PID:2012
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c net config workstation
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:324
          • C:\Windows\SysWOW64\net.exe
            net config workstation
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2032
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 config workstation
              6⤵
                PID:608
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c net view /all
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1452
            • C:\Windows\SysWOW64\net.exe
              net view /all
              5⤵
              • Discovers systems in the same network
              PID:468
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c net view /all /domain
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1356
            • C:\Windows\SysWOW64\net.exe
              net view /all /domain
              5⤵
              • Discovers systems in the same network
              PID:1476

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1880-3-0x00000000000D0000-0x00000000000FB000-memory.dmp

      Filesize

      172KB

    • memory/1880-2-0x0000000000100000-0x0000000000101000-memory.dmp

      Filesize

      4KB

    • memory/1880-1-0x00000000000D0000-0x00000000000FB000-memory.dmp

      Filesize

      172KB