Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-06-2022 07:38

General

  • Target

    ORDER SPECIFICATION.js

  • Size

    81KB

  • MD5

    8c577d950786e8262f22dd3c23ca8c07

  • SHA1

    a933a3f7da664089ab715ee06ca9fdf17d9ef318

  • SHA256

    d6d4d55f2df43c5d2a35a96b53ac0f949673a901ce8aeb41ed1144ecb7b3ba09

  • SHA512

    21217ecf4c1f0aba4c72e3a7cb1d49643d506aed4ca59753e052090c4df2d8f2f607c46d7a2b95802f1686f48d45e8ca9fd0cd851ce66ecf6ce88b17db4d7c40

Malware Config

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 12 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\ORDER SPECIFICATION.js"
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\SdORAbNrxc.js"
      2⤵
      • Blocklisted process makes network request
      • Drops startup file
      • Adds Run key to start application
      PID:3844
    • C:\Users\Admin\AppData\Roaming\QB8Dp5m5pHF6fkB.exe
      "C:\Users\Admin\AppData\Roaming\QB8Dp5m5pHF6fkB.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HSzaYH.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4948
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HSzaYH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E41.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2780
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        3⤵
          PID:4344
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          3⤵
            PID:3244
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            3⤵
              PID:4560
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
              3⤵
                PID:4548
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
                3⤵
                  PID:4476

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp3E41.tmp

              Filesize

              1KB

              MD5

              5ee13161718efdf950a80e50487c4483

              SHA1

              d8bd3891a0d97eb63d6a23ea8abce727cfc0b283

              SHA256

              bdf499f00b9360743a46e29c25bedceb6a9cdad55d9df338522127d777d7f57a

              SHA512

              d85bb08249c61c08d6d4429f5c5ac15973c3c8996480db4a08fb88757f55c2c1416be715f289cb69df3929f0b434d5cd4e8795dfd2d73135b75c94682cc20cec

            • C:\Users\Admin\AppData\Roaming\QB8Dp5m5pHF6fkB.exe

              Filesize

              549KB

              MD5

              01da8ba876eb4038213d8eb6493c9947

              SHA1

              c05eb1a5b5bf52bc05bece7e2bb65e8281828e5f

              SHA256

              a4c6f718bffae66def8dc2d48d844bf90632cc708ffdc6363f2aa3021d1a6f60

              SHA512

              dec4b9ddd63fc6769ffd9a4858f9c27cce2d56e3a0ea9af7dc48ff13d04ecedaa44948329c9299a962e01c97ef455fa266eb6857e7af5868db5d354397efebaa

            • C:\Users\Admin\AppData\Roaming\QB8Dp5m5pHF6fkB.exe

              Filesize

              549KB

              MD5

              01da8ba876eb4038213d8eb6493c9947

              SHA1

              c05eb1a5b5bf52bc05bece7e2bb65e8281828e5f

              SHA256

              a4c6f718bffae66def8dc2d48d844bf90632cc708ffdc6363f2aa3021d1a6f60

              SHA512

              dec4b9ddd63fc6769ffd9a4858f9c27cce2d56e3a0ea9af7dc48ff13d04ecedaa44948329c9299a962e01c97ef455fa266eb6857e7af5868db5d354397efebaa

            • C:\Users\Admin\AppData\Roaming\SdORAbNrxc.js

              Filesize

              30KB

              MD5

              ce7c8bc0e2587dcc7044d337fda0320f

              SHA1

              6e4e6d39752ca7a454f7081210402e7bb1bd52d4

              SHA256

              7d70fd9144c686fe6ff23fe66e44ccbb55827b2af1a91ca60b10ef1631f0c067

              SHA512

              e395ba15f19051811d1ba5220bf2f326041a95c245f0faf47ca8b416953bdfda8e16e7fd132ff439637f5e3372c4ae1fe4baff26b6e6c7ba545077b3ffb48f28

            • memory/2780-142-0x0000000000000000-mapping.dmp

            • memory/3244-147-0x0000000000000000-mapping.dmp

            • memory/3844-130-0x0000000000000000-mapping.dmp

            • memory/4344-146-0x0000000000000000-mapping.dmp

            • memory/4476-150-0x0000000000000000-mapping.dmp

            • memory/4484-138-0x0000000005B70000-0x0000000005B7A000-memory.dmp

              Filesize

              40KB

            • memory/4484-140-0x00000000099A0000-0x0000000009A3C000-memory.dmp

              Filesize

              624KB

            • memory/4484-139-0x0000000006480000-0x0000000006626000-memory.dmp

              Filesize

              1.6MB

            • memory/4484-132-0x0000000000000000-mapping.dmp

            • memory/4484-137-0x00000000059C0000-0x0000000005A52000-memory.dmp

              Filesize

              584KB

            • memory/4484-135-0x0000000000F90000-0x000000000101E000-memory.dmp

              Filesize

              568KB

            • memory/4484-136-0x0000000005ED0000-0x0000000006474000-memory.dmp

              Filesize

              5.6MB

            • memory/4548-149-0x0000000000000000-mapping.dmp

            • memory/4560-148-0x0000000000000000-mapping.dmp

            • memory/4948-152-0x0000000005AD0000-0x0000000005B36000-memory.dmp

              Filesize

              408KB

            • memory/4948-157-0x0000000006740000-0x000000000675E000-memory.dmp

              Filesize

              120KB

            • memory/4948-143-0x0000000004BE0000-0x0000000004C16000-memory.dmp

              Filesize

              216KB

            • memory/4948-151-0x0000000005A00000-0x0000000005A22000-memory.dmp

              Filesize

              136KB

            • memory/4948-141-0x0000000000000000-mapping.dmp

            • memory/4948-153-0x0000000005B40000-0x0000000005BA6000-memory.dmp

              Filesize

              408KB

            • memory/4948-154-0x0000000006190000-0x00000000061AE000-memory.dmp

              Filesize

              120KB

            • memory/4948-155-0x0000000006760000-0x0000000006792000-memory.dmp

              Filesize

              200KB

            • memory/4948-156-0x0000000072720000-0x000000007276C000-memory.dmp

              Filesize

              304KB

            • memory/4948-145-0x0000000005250000-0x0000000005878000-memory.dmp

              Filesize

              6.2MB

            • memory/4948-158-0x0000000007AE0000-0x000000000815A000-memory.dmp

              Filesize

              6.5MB

            • memory/4948-159-0x00000000074A0000-0x00000000074BA000-memory.dmp

              Filesize

              104KB

            • memory/4948-160-0x0000000007510000-0x000000000751A000-memory.dmp

              Filesize

              40KB

            • memory/4948-161-0x0000000007720000-0x00000000077B6000-memory.dmp

              Filesize

              600KB

            • memory/4948-162-0x00000000076D0000-0x00000000076DE000-memory.dmp

              Filesize

              56KB

            • memory/4948-163-0x00000000077E0000-0x00000000077FA000-memory.dmp

              Filesize

              104KB

            • memory/4948-164-0x00000000077C0000-0x00000000077C8000-memory.dmp

              Filesize

              32KB