Overview

overview

10

Static

static

PO. MKL1-2...ON.exe

windows7_x64

10

PO. MKL1-2...ON.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11-01-2021 18:37

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General

  • Target

    PO. MKL1-20-06053 & TECHNICAL SPECIFICATION.exe

  • Size

    771KB

  • MD5

    81338cc1ec365407ac22a6eab3ece373

  • SHA1

    29f4ca9ec7fa628cea899292ac517f3852361f5d

  • SHA256

    6a2ffd2b362dd38d2518163bd6c849366ab37d38a446845cc9789dcd02f8e7db

  • SHA512

    0b66cbf636ccd22a4b3aab1d4bdd5357fd944de5647314d0023b7220ccc87379d59f15811c14f66a7163fcb14afcbd118ef9023686b1e485d1df9074b93c96ea

Score
10/10
remcosrat

Malware Config

Extracted

Family

remcos

C2

212.83.46.26:4023

Signatures

  • Remcos

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

    ratremcos
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO. MKL1-20-06053 & TECHNICAL SPECIFICATION.exe
    "C:\Users\Admin\AppData\Local\Temp\PO. MKL1-20-06053 & TECHNICAL SPECIFICATION.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DxrQHPLzs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC02.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1220
    • C:\Users\Admin\AppData\Local\Temp\PO. MKL1-20-06053 & TECHNICAL SPECIFICATION.exe
      "C:\Users\Admin\AppData\Local\Temp\PO. MKL1-20-06053 & TECHNICAL SPECIFICATION.exe"
      2⤵
        PID:332
      • C:\Users\Admin\AppData\Local\Temp\PO. MKL1-20-06053 & TECHNICAL SPECIFICATION.exe
        "C:\Users\Admin\AppData\Local\Temp\PO. MKL1-20-06053 & TECHNICAL SPECIFICATION.exe"
        2⤵
          PID:2008
        • C:\Users\Admin\AppData\Local\Temp\PO. MKL1-20-06053 & TECHNICAL SPECIFICATION.exe
          "C:\Users\Admin\AppData\Local\Temp\PO. MKL1-20-06053 & TECHNICAL SPECIFICATION.exe"
          2⤵
            PID:556

        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

        Discovery

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpC02.tmp
          MD5

          046ef21fee26a0ad0a24b7c18d7be337

          SHA1

          cca87d5ba4fd0557a274f9d5cbeeb136d97359e9

          SHA256

          80d9ac393ba637d05fb0d7061abc0914d599fc5dbfcc9a8d989a7d53f3aff808

          SHA512

          19b2cb9fe645387edb5c0971ef99854e153beb9ef41689434818adc71dc38930204b5ca9bb4eab5e9ff8ee1945cf378454fba71ca1d86e725b079205724cd119

          Download Submit
        • memory/556-9-0x0000000000400000-0x0000000000417000-memory.dmp
          Filesize

          92KB

          Download
        • memory/556-10-0x000000000040FD88-mapping.dmp
          Download
        • memory/556-11-0x0000000000400000-0x0000000000417000-memory.dmp
          Filesize

          92KB

          Download
        • memory/892-2-0x0000000074520000-0x0000000074C0E000-memory.dmp
          Filesize

          6.9MB

          Download
        • memory/892-3-0x00000000011D0000-0x00000000011D1000-memory.dmp
          Filesize

          4KB

          Download
        • memory/892-5-0x00000000003A0000-0x00000000003B2000-memory.dmp
          Filesize

          72KB

          Download
        • memory/892-6-0x00000000052A0000-0x00000000052F7000-memory.dmp
          Filesize

          348KB

          Download
        • memory/1220-7-0x0000000000000000-mapping.dmp
          Download