Overview

overview

10

Static

static

Top Urgent...DF.exe

windows7_x64

9

Top Urgent...DF.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-01-2021 14:33

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General

  • Target

    Top Urgent_New_Order_PDF.exe

  • Size

    911KB

  • MD5

    f71317984e36770287b066803de0ab00

  • SHA1

    15f8bcac4aa7273f362ad1f474bf818ee5179b44

  • SHA256

    ec51e50ebea3906ef87c852c95b256e3948a9bb789981a9dd1fe673d78663e66

  • SHA512

    df2dd89cfdbeb05595e1c676adf3736ae8ebedcd3d1cc6ad6b4ea2f20a0d5fb149cab78d6f29c300eebf9e07c883596e1bc5267a561fed19d429c3f10e6989b9

Score
9/10
evasion

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • 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.

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Top Urgent_New_Order_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Top Urgent_New_Order_PDF.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:1184
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mPwwUYOq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFE2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1084
    • C:\Users\Admin\AppData\Local\Temp\Top Urgent_New_Order_PDF.exe
      "{path}"
      2⤵
        PID:300
      • C:\Users\Admin\AppData\Local\Temp\Top Urgent_New_Order_PDF.exe
        "{path}"
        2⤵
          PID:316
        • C:\Users\Admin\AppData\Local\Temp\Top Urgent_New_Order_PDF.exe
          "{path}"
          2⤵
            PID:308
          • C:\Users\Admin\AppData\Local\Temp\Top Urgent_New_Order_PDF.exe
            "{path}"
            2⤵
              PID:1776
            • C:\Users\Admin\AppData\Local\Temp\Top Urgent_New_Order_PDF.exe
              "{path}"
              2⤵
                PID:820

            Network

            MITRE ATT&CK Matrix ATT&CK v6

            Initial Access

            Execution

            Scheduled Task

            1
            T1053

            Persistence

            Scheduled Task

            1
            T1053

            Privilege Escalation

            Scheduled Task

            1
            T1053

            Defense Evasion

            Virtualization/Sandbox Evasion

            2
            T1497

            Credential Access

            Discovery

            Query Registry

            4
            T1012

            Virtualization/Sandbox Evasion

            2
            T1497

            System Information Discovery

            3
            T1082

            Peripheral Device Discovery

            1
            T1120

            Lateral Movement

            Collection

            Exfiltration

            Command and Control

            Impact

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmpFFE2.tmp
              MD5

              e8651671fc85af9b8267424b53536656

              SHA1

              017678add52cb4e937c26b63ba413ed61842929e

              SHA256

              93ab22f13218549e4bb6757fd3fc6741160d141059574a60b316a4814819347f

              SHA512

              ffb73695bf131ce85c49d50f93a36a20388b79df2a0820c669e74220328db7c0133975e8bbea4744531d1cb19526963ca149728fac7439be50562855be9bacb7

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            • memory/1084-8-0x0000000000000000-mapping.dmp
              Download
            • memory/1184-2-0x00000000748C0000-0x0000000074FAE000-memory.dmp
              Filesize

              6.9MB

              Download
            • memory/1184-3-0x00000000003F0000-0x00000000003F1000-memory.dmp
              Filesize

              4KB

              Download
            • memory/1184-5-0x00000000005D0000-0x00000000005D1000-memory.dmp
              Filesize

              4KB

              Download
            • memory/1184-6-0x0000000000500000-0x000000000050E000-memory.dmp
              Filesize

              56KB

              Download
            • memory/1184-7-0x00000000054C0000-0x0000000005547000-memory.dmp
              Filesize

              540KB

              Download