Analysis

  • max time kernel
    122s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    21-10-2021 06:08

General

  • Target

    37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe

  • Size

    315KB

  • MD5

    d6a379f6ac44c19db62cc3b009fc4ef0

  • SHA1

    a5581865a04bac92b32517163d3b64b9a2981aab

  • SHA256

    37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac

  • SHA512

    45248e61e24bac6b04d7dd2e67f34c60515c3fefbbf394ce4f2e1c4e490e9c9858ee86ce3a6ce8ab84579c7b971395b63df69fe05d502c0d3236bdd85a20c834

Score
9/10

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe
    "C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe
      "C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe"
      2⤵
        PID:988
      • C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe
        "C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe"
        2⤵
          PID:804
        • C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe
          "C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe"
          2⤵
            PID:920
          • C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe
            "C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe"
            2⤵
              PID:1896
            • C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe
              "C:\Users\Admin\AppData\Local\Temp\37d685665a9b56dd4d6210a887d81118e3a6b55bd78c0cd4e8c9e75d812502ac.exe"
              2⤵
                PID:580

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Defense Evasion

            Virtualization/Sandbox Evasion

            2
            T1497

            Discovery

            Query Registry

            4
            T1012

            Virtualization/Sandbox Evasion

            2
            T1497

            System Information Discovery

            2
            T1082

            Peripheral Device Discovery

            1
            T1120

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1336-55-0x00000000003B0000-0x00000000003B1000-memory.dmp
              Filesize

              4KB

            • memory/1336-57-0x0000000075B71000-0x0000000075B73000-memory.dmp
              Filesize

              8KB

            • memory/1336-58-0x0000000004B40000-0x0000000004B41000-memory.dmp
              Filesize

              4KB

            • memory/1336-59-0x0000000000460000-0x0000000000467000-memory.dmp
              Filesize

              28KB

            • memory/1336-60-0x00000000020F0000-0x000000000212C000-memory.dmp
              Filesize

              240KB