Overview

overview

10

Static

static

REQUEST FO...df.exe

windows7_x64

9

REQUEST FO...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    44s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:43

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General

  • Target

    REQUEST FOR QUOTATION #13032020_pdf.exe

  • Size

    968KB

  • MD5

    e56ed4558d3474dd31ee6d66909142c6

  • SHA1

    bae2ebb4ee3a257732ef9d5757ed45e57653a30b

  • SHA256

    57f4a2e59ddbdae494c86f258f57973b041c55c4a54ca2631153de0fdf6a0c05

  • SHA512

    c6c07e4aef2c1d7c6ad5add41c7a6ac18e7af408f01628f2b3e3658a70b9937c1439c4a890c3d0322d55088ccf23ff6dbe7343c39e0e4aaaa2eea6c1829f6171

Score
9/10
rezer0

Malware Config

Signatures

  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

    rezer0
  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION #13032020_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION #13032020_pdf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iRyDYmLQBojAKd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:980
    • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION #13032020_pdf.exe
      "{path}"
      2⤵
        PID:2000
      • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION #13032020_pdf.exe
        "{path}"
        2⤵
          PID:2004
        • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION #13032020_pdf.exe
          "{path}"
          2⤵
            PID:1740
          • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION #13032020_pdf.exe
            "{path}"
            2⤵
              PID:1988
            • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION #13032020_pdf.exe
              "{path}"
              2⤵
                PID:1948

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp1A7.tmp
              Filesize

              1KB

              MD5

              68185e91b86e043d661543ab5113e709

              SHA1

              af442eb45586fa20976b0a997c35068369d52bdd

              SHA256

              a8af82797b667d68ce4a70f4072f96f1c7bfeeb836371b8b8db91e1263679748

              SHA512

              21863216eed2199bafc42b9cdee58e1026bdd541e075c59208d9377d6798905b4750c01b06f9cd84ffe1a8678ae3b578e4ce80a0f796f7cdc5cbd7013b5b38b6

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            • memory/1488-54-0x00000000003E0000-0x00000000004D8000-memory.dmp

              Filesize

              992KB

              Download

            • memory/1488-55-0x00000000021D0000-0x0000000002270000-memory.dmp

              Filesize

              640KB

              Download

            • memory/1488-56-0x0000000075271000-0x0000000075273000-memory.dmp

              Filesize

              8KB

              Download

            • memory/1488-57-0x00000000003C0000-0x00000000003C8000-memory.dmp

              Filesize

              32KB

              Download

            • memory/1488-58-0x0000000004E10000-0x0000000004EA8000-memory.dmp

              Filesize

              608KB

              Download