Analysis

  • max time kernel
    156s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    22/02/2022, 21:15

General

  • Target

    0a6122f38d670eec50dfb91aeb8791c7ce24928480e4a32793d71e472a55c1f7.exe

  • Size

    2.2MB

  • MD5

    7274a59e5c87187d46207585fc7e9f14

  • SHA1

    4dd4feb0a99f3e67ca075572f2a4e8007b5e87fe

  • SHA256

    0a6122f38d670eec50dfb91aeb8791c7ce24928480e4a32793d71e472a55c1f7

  • SHA512

    5e82120d85131b684e75e66b8d63b3816a0c08cf678df4f4447d15f11ef66d04ca62f146865164483d0d5ba665e9f3452816226675fdcf85644cbeb8258696d6

Score
9/10

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a6122f38d670eec50dfb91aeb8791c7ce24928480e4a32793d71e472a55c1f7.exe
    "C:\Users\Admin\AppData\Local\Temp\0a6122f38d670eec50dfb91aeb8791c7ce24928480e4a32793d71e472a55c1f7.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Local\Temp\Synapse.exe
      "C:\Users\Admin\AppData\Local\Temp\Synapse.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\SysWOW64\fondue.exe
        "C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3596
        • C:\Windows\system32\FonDUE.EXE
          "C:\Windows\sysnative\FonDUE.EXE" /enable-feature:NetFx3 /caller-name:mscoreei.dll
          4⤵
            PID:4800

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3540-130-0x00007FFC00513000-0x00007FFC00515000-memory.dmp

            Filesize

            8KB

          • memory/3540-131-0x00000000003A0000-0x00000000005D4000-memory.dmp

            Filesize

            2.2MB

          • memory/3540-133-0x000000001D0E0000-0x000000001D0E2000-memory.dmp

            Filesize

            8KB