Overview

overview

10

Static

static

1

Aaqaybpuu.exe

windows7-x64

10

Aaqaybpuu.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Aaqaybpuu.exe

  • Size

    4.9MB

  • Sample

    230204-hs7x9sga51

  • MD5

    a06614c188d065ad72275761891c0f00

  • SHA1

    dfe7e3037ea5ea699c6491988b09e207818a3793

  • SHA256

    75f6fa2b6b27e284e274706113a51d756d313d7326cb515d77abf7617c4a8295

  • SHA512

    c79445dbf40f71673cf5950450b6001ab51a43383d5dd3319343b5e45517d6ea46c4f61f361f3c560bc5851afbf2024dab248a90b22dba9f6abe29727946df06

  • SSDEEP

    24576:8ahlMa/PkO7hTqcaIqZUFUMIzsqZXr46240TNdv3pPZmypz:

Score
10/10
purecrypterremcosremotehostdownloaderloaderpersistencerat

Malware Config

Extracted

Family

remcos

Version

2.7.1 Pro

Botnet

RemoteHost

C2

79.142.69.160:24103

127.0.0.1:24103

10.9.239.161:24103
Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-RQ9NAF

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      Aaqaybpuu.exe

    • Size

      4.9MB

    • MD5

      a06614c188d065ad72275761891c0f00

    • SHA1

      dfe7e3037ea5ea699c6491988b09e207818a3793

    • SHA256

      75f6fa2b6b27e284e274706113a51d756d313d7326cb515d77abf7617c4a8295

    • SHA512

      c79445dbf40f71673cf5950450b6001ab51a43383d5dd3319343b5e45517d6ea46c4f61f361f3c560bc5851afbf2024dab248a90b22dba9f6abe29727946df06

    • SSDEEP

      24576:8ahlMa/PkO7hTqcaIqZUFUMIzsqZXr46240TNdv3pPZmypz:

    Score
    10/10
    purecrypterremcosremotehostdownloaderloaderpersistencerat

    • Detect PureCrypter injector

      loader

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

      loaderdownloaderpurecrypter

    • 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.

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks