Overview

overview

10

Static

static

3

bb939a5d95...41.exe

windows7-x64

10

bb939a5d95...41.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bb939a5d9535a87231e5a91e1f23121159c7bd6f38013a69d3313dda4a424f41.exe

  • Size

    1.3MB

  • Sample

    240705-xrk5fatckk

  • MD5

    742a768aa785a7bb86c1e8f3cd04bc7a

  • SHA1

    84b3fe357e4e5c312e411c654d20d81a65a54dda

  • SHA256

    bb939a5d9535a87231e5a91e1f23121159c7bd6f38013a69d3313dda4a424f41

  • SHA512

    12c941e0b4719002fa472914e250c3a0d03cfc62db9e8431f02169cd3d28d414259e6bc4e64ff3852489df92885f980a7d4b7e00a3d1808c1ea56b5771878ec5

  • SSDEEP

    24576:a5F0hmBDkZvdq+rixY/DFpNTvCkV0uf5ZmH1Ova3P01vUCwbi:ncI/XGxYFvCkCua1v35

Score
10/10
remcosmexicopersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

MEXICO

C2

64.188.26.202:1604

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Vexploio.exe

  • copy_folder

    Vexplo

  • 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-N6A3VJ

  • 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

      bb939a5d9535a87231e5a91e1f23121159c7bd6f38013a69d3313dda4a424f41.exe

    • Size

      1.3MB

    • MD5

      742a768aa785a7bb86c1e8f3cd04bc7a

    • SHA1

      84b3fe357e4e5c312e411c654d20d81a65a54dda

    • SHA256

      bb939a5d9535a87231e5a91e1f23121159c7bd6f38013a69d3313dda4a424f41

    • SHA512

      12c941e0b4719002fa472914e250c3a0d03cfc62db9e8431f02169cd3d28d414259e6bc4e64ff3852489df92885f980a7d4b7e00a3d1808c1ea56b5771878ec5

    • SSDEEP

      24576:a5F0hmBDkZvdq+rixY/DFpNTvCkV0uf5ZmH1Ova3P01vUCwbi:ncI/XGxYFvCkCua1v35

    Score
    10/10
    remcosmexicopersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks