Overview

overview

10

Static

static

1

OC CVE6535...df.exe

windows7_x64

10

OC CVE6535...df.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    21-04-2021 11:31

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General

  • Target

    OC CVE6535 _TVOP-MIO 21(C) 2021,pdf.exe

  • Size

    319KB

  • MD5

    b400ac4dcee9fd535224fcd33224f6b1

  • SHA1

    129db06c1a8281584e1c5440389841a4ea49ec62

  • SHA256

    6cc2dd1c821a1d47200a054998657e3ddec7bc0cd81e4e4a7edffa3f0f3ca724

  • SHA512

    e8fc66b31e231eed6b8a2d0e75351a719ff8d0d5b9b065cdb66fdcefe62bfa44702585523c6be0049ea601513b812efd5536e3e188a40223d9a186aaa061df35

Score
10/10
remcosrat

Malware Config

Extracted

Family

remcos

C2

blessmegod.ddns.net:3866

Signatures

  • Remcos

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

    ratremcos
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OC CVE6535 _TVOP-MIO 21(C) 2021,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\OC CVE6535 _TVOP-MIO 21(C) 2021,pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\OC CVE6535 _TVOP-MIO 21(C) 2021,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\OC CVE6535 _TVOP-MIO 21(C) 2021,pdf.exe"
      2⤵
        PID:1072

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\nsi4DE4.tmp\kdzh1wlq.dll
      MD5

      8c66ccb054b0aef6712493b4e8a778f0

      SHA1

      8641231119dd7474e4fc3ebefb7ba61e619d3077

      SHA256

      bf79d9461d99892f78c5d7466681e39a0b97af3884853d37af69a041d7183991

      SHA512

      2c55ed748d4dc554f6576cd6a8332ed616a2743690b548006fb1d5858e146adad07ce383ac2010472214a8e9c0c1028e38325b2d971d7a2157b332c9dbd78547

      Download Submit
    • memory/1072-64-0x0000000000413FA4-mapping.dmp
      Download
    • memory/1072-66-0x0000000000400000-0x0000000000421000-memory.dmp
      Filesize

      132KB

      Download
    • memory/1632-60-0x0000000075551000-0x0000000075553000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1632-62-0x0000000002870000-0x00000000034BA000-memory.dmp
      Filesize

      12.3MB

      Download
    • memory/1632-63-0x0000000002870000-0x00000000034BA000-memory.dmp
      Filesize

      12.3MB

      Download