Overview

overview

10

Static

static

PO839-DOC8...df.exe

windows7_x64

10

PO839-DOC8...df.exe

windows10_x64

3

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    13-07-2020 06:28

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General

  • Target

    PO839-DOC83475348-834_pdf.exe

  • Size

    169KB

  • MD5

    f0a88db6d16630640775a733efd9527f

  • SHA1

    88fc7c4275f93c404efa073a80ce61e0e7f3ee5a

  • SHA256

    ff3eb81477b36ac2239b623085961439379064929b20c4a69f72cb266adece83

  • SHA512

    af00550e84d345289e6d1751f42be955a3d60a2e5a4f442764dfbb044b7e0c8d775e8af89c0d217bd8023d4a4739b77600ba9365f47cde5086afead6180f6ddf

Score
10/10
ratremcosspyware

Malware Config

Extracted

Family

remcos

C2

109.169.89.116:2021

Signatures

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos
  • Suspicious use of WriteProcessMemory 48 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Looks for VMWare Tools registry key
    • Suspicious use of WriteProcessMemory
    • Checks BIOS information in registry
    • Looks for VirtualBox Guest Additions in registry
    • Maps connected drives based on registry
    PID:676
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\stsVISqZItxBpu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6518.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1756
    • C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe
      "{path}"
      2⤵
        PID:672
      • C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe
        "{path}"
        2⤵
          PID:760
        • C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe
          "{path}"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:552
          • C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe
            C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe /stext "C:\Users\Admin\AppData\Local\Temp\lnvmy"
            3⤵
              PID:1564
            • C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe
              C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe /stext "C:\Users\Admin\AppData\Local\Temp\lnvmy"
              3⤵
                PID:1584
              • C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe
                C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe /stext "C:\Users\Admin\AppData\Local\Temp\lnvmy"
                3⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:1568
              • C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe
                C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe /stext "C:\Users\Admin\AppData\Local\Temp\whifzckgx"
                3⤵
                  PID:1616
                • C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe
                  C:\Users\Admin\AppData\Local\Temp\PO839-DOC83475348-834_pdf.exe /stext "C:\Users\Admin\AppData\Local\Temp\gjoxrvvilapa"
                  3⤵
                    PID:1596

              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

              Credential Access

              Credentials in Files

              1
              T1081

              Discovery

              Query Registry

              4
              T1012

              System Information Discovery

              4
              T1082

              Peripheral Device Discovery

              1
              T1120

              Lateral Movement

              Collection

              Data from Local System

              1
              T1005

              Exfiltration

              Command and Control

              Impact

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\tmp6518.tmp
                Download Submit
              • memory/552-4-0x0000000000400000-0x0000000000420000-memory.dmp
                Filesize

                128KB

                Download
              • memory/552-5-0x0000000000413B74-mapping.dmp
                Download
              • memory/552-6-0x0000000000400000-0x0000000000420000-memory.dmp
                Filesize

                128KB

                Download
              • memory/676-1-0x0000000000000000-0x0000000000000000-disk.dmp
                Download
              • memory/1568-7-0x0000000000400000-0x0000000000473000-memory.dmp
                Filesize

                460KB

                Download
              • memory/1568-8-0x0000000000471274-mapping.dmp
                Download
              • memory/1568-9-0x0000000000400000-0x0000000000473000-memory.dmp
                Filesize

                460KB

                Download
              • memory/1568-10-0x0000000000400000-0x0000000000473000-memory.dmp
                Filesize

                460KB

                Download
              • memory/1756-2-0x0000000000000000-mapping.dmp
                Download