Overview

overview

10

Static

static

10

CONFIRMACI...DF.exe

windows7_x64

10

CONFIRMACI...DF.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 19:37

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General

  • Target

    CONFIRMACION DEL PEDIDO CVE6535,PDF.exe

  • Size

    372KB

  • MD5

    a962399ee6a55b52ad2432702a800597

  • SHA1

    2ae09b6b627b86bb4a6e2e7b2d33fdc6f8e1579f

  • SHA256

    329886b8af71b45a41f94d0d9a69761b6b6fe80d36b7f7a6201fd97dc33234d5

  • SHA512

    7914d464cbba0de5392a19d9bd986be7246fca19d15cad5303cf81f1a9dd56cbf94729bd5d1f7f2b2b3e0cb545bb689cc6114b8ee08a8c508c4f8d1eeb86b8a6

Score
10/10
remcoscoreentityratrezer0

Malware Config

Extracted

Family

remcos

C2

thankyoulord.ddns.net:5050

Signatures

  • CoreEntity .NET Packer 1 IoCs

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    coreentity
  • Remcos

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

    ratremcos
  • rezer0 1 IoCs

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

    rezer0
  • Uses the VBS compiler for execution 1 TTPs
  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CONFIRMACION DEL PEDIDO CVE6535,PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\CONFIRMACION DEL PEDIDO CVE6535,PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CfGuVGvIV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4A5B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1448
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "{path}"
      2⤵
        PID:960

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scripting

    1
    T1064

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Scripting

    1
    T1064

    Credential Access

    Discovery

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp4A5B.tmp
      MD5

      6f034f247ff434fdf03cbe467d528312

      SHA1

      894bae0158a82ede3c4c8e48349d49f621cf9032

      SHA256

      68a695d53c232920102c555e384bcbc6efc6eac421011b4ceaf9b30c2ce6fd7d

      SHA512

      43d86aab0e7e4565dad4abddc9a1645030fa2ab9c6a26359f7ed0d1354212fcae11ca535299eaecad6998b9c7a8a9fd3be0e6cea01cc3e5e78ba9707464b3fe1

      Download Submit
    • memory/960-8-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

      Download
    • memory/960-9-0x0000000000413A84-mapping.dmp
      Download
    • memory/960-10-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

      Download
    • memory/1448-6-0x0000000000000000-mapping.dmp
      Download
    • memory/1848-0-0x00000000742C0000-0x00000000749AE000-memory.dmp
      Filesize

      6.9MB

      Download
    • memory/1848-1-0x00000000008A0000-0x00000000008A1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1848-4-0x0000000000230000-0x0000000000233000-memory.dmp
      Filesize

      12KB

      Download
    • memory/1848-5-0x0000000007330000-0x0000000007357000-memory.dmp
      Filesize

      156KB

      Download
    • memory/1984-3-0x000007FEF6680000-0x000007FEF68FA000-memory.dmp
      Filesize

      2.5MB

      Download