Overview

overview

10

Static

static

3

RFQ 1100-656-02.exe

windows7-x64

10

RFQ 1100-656-02.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    RFQ 1100-656-02.ace

  • Size

    841KB

  • Sample

    240522-j2nreshc6z

  • MD5

    4114f0297ccb4ec74787cd25a71ec727

  • SHA1

    e07c62c1ae10934ef698a8ac5b5dc67b9fe2bde8

  • SHA256

    a5d707684f36df7d6046e10f9bd793090d5750716895c366ef7d407988a2bca7

  • SHA512

    bba0f844cbde1475f3f38e18cafc6f630c24c9ca0ac8c674f25c8b1436f0dd2ed0335b9dc69c860e9fcb2acc7b69c8f73d7ff06c179011921ccc43b72b94196d

  • SSDEEP

    24576:h2W4bzKA/ZkHJXGfDJJJu2lm4SeCWloDkOgGQLfb:0PbeekHJXGtJJu2EBNWl4kf

Score
10/10
remcosky mixcollectionevasionexecutionrattrojan

Malware Config

Extracted

Family

remcos

Botnet

KY MIX

C2

192.210.201.57:52499

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-M2GVTY

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      RFQ 1100-656-02.exe

    • Size

      856KB

    • MD5

      a27c4215869da7c1f2121c54ec27549b

    • SHA1

      f370447ada466a0db44bbd930e8517f79c35f0ba

    • SHA256

      358f8d58da6f43e4cdb17fecc2e1fbb6a6492ca681d7c48080fd432ae834aa9c

    • SHA512

      4b0c74606e1bc5422e21af49cfc433f71084661f4fbb5624efb57f46bcfdd916e3681ece8b28c343787fb1613e6791bef6ffca2f7ce1b1f140aa1cde7fffa556

    • SSDEEP

      24576:j/odxK26kNtue9MTdBfW3HJfREKSPZYhkngIlBUKDWA:GrtuHBBUHJaPZYh3y3WA

    Score
    10/10
    remcosky mixcollectionevasionexecutionrattrojan

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Windows security modification

      evasiontrojan

    • Accesses Microsoft Outlook accounts

      collection

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks