Overview

overview

10

Static

static

1

5422c02236...da.exe

windows7-x64

10

5422c02236...da.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5422c0223694ab7ffdb4968db24177c7bb0426e29b32b0f810192258c0af61da.exe

  • Size

    904KB

  • Sample

    240704-bttzgaxaqj

  • MD5

    bce1d14cd2cb21d2a6a52de1b61516c6

  • SHA1

    a112646015f9db212a207e1637abe3cc7bfa3408

  • SHA256

    5422c0223694ab7ffdb4968db24177c7bb0426e29b32b0f810192258c0af61da

  • SHA512

    001f9ef1cdb0f135335e1af087e8fb1d85028f8087777cd022751e693874dffe74672ad1350f4307ba752b4eceb33f8ad85a055d11045dfc45a114d97bcc7e4e

  • SSDEEP

    12288:yHqGmfjIIK49UkXDGtvxrzV9gROZh6vRciD+yz1DCSnJ8LWCdEDvhF2xX8:e0RfqtZHV9gQZsSc+yzRCSnND5F2xs

Score
10/10
remcosremotehostevasionexecutionpersistencerattrojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

newpage44.mywire.org:5010

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    skype.exe

  • copy_folder

    skype

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-GRUM7D

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      5422c0223694ab7ffdb4968db24177c7bb0426e29b32b0f810192258c0af61da.exe

    • Size

      904KB

    • MD5

      bce1d14cd2cb21d2a6a52de1b61516c6

    • SHA1

      a112646015f9db212a207e1637abe3cc7bfa3408

    • SHA256

      5422c0223694ab7ffdb4968db24177c7bb0426e29b32b0f810192258c0af61da

    • SHA512

      001f9ef1cdb0f135335e1af087e8fb1d85028f8087777cd022751e693874dffe74672ad1350f4307ba752b4eceb33f8ad85a055d11045dfc45a114d97bcc7e4e

    • SSDEEP

      12288:yHqGmfjIIK49UkXDGtvxrzV9gROZh6vRciD+yz1DCSnJ8LWCdEDvhF2xX8:e0RfqtZHV9gQZsSc+yzRCSnND5F2xs

    Score
    10/10
    remcosremotehostevasionexecutionpersistencerattrojan

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • 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

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

5
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks