Overview

overview

10

Static

static

1

ad3a4db849...69.exe

windows7-x64

10

ad3a4db849...69.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ad3a4db849a64ea07922d63153d3381798b4450f28d8db82c95393a5f6aaa569.zip

  • Size

    783KB

  • Sample

    230308-ng1byafh97

  • MD5

    79cd1b14bd1ce9237382996c8b670673

  • SHA1

    6a38bda416db572a31460e7cb4ed67fb69a7420c

  • SHA256

    ec92383d5d1d5e8d12a4c14389f7ec60f1370e349fae4983910e9b6d2dd5163a

  • SHA512

    09dc7494a71aaf2448ea1d7467139498146ea5f884e526f62ac7dfa01e3081ed19df6d1a05c9f384e999e703f785a94dfaa60055ef5789eb9934e30d8e053508

  • SSDEEP

    24576:raC2J/GKeW3Q0Dtbl2kfvHVUPXM4MvxtQw1:raCwxhh9ff6PHEx2y

Score
10/10
remcosxppersistencerat

Malware Config

Extracted

Family

remcos

Botnet

XP

C2

xpremcuz300622.ddns.net:3542

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    oos.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Remcos-MMP2I7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    kkl

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      ad3a4db849a64ea07922d63153d3381798b4450f28d8db82c95393a5f6aaa569.exe

    • Size

      929KB

    • MD5

      1eee890ebe5e8b5d03a2fae63f791141

    • SHA1

      75b0c7cb4069b21b70794d25bd89a3d5bcac8205

    • SHA256

      ad3a4db849a64ea07922d63153d3381798b4450f28d8db82c95393a5f6aaa569

    • SHA512

      c806dc7c1b857c6823369fb104173243faf350a6f34af92d749b93fd6aad0061d3aa1c24d2e3951341d4c8c17b1c79507d39d0d447940352ead727454aac79ab

    • SSDEEP

      24576:eTsIBMNjnNNOhAe/S0uEpWBmlWDXBpYe0ZqaWcioykjEziYQp7dX:3glWDR/0UciRA

    Score
    10/10
    remcosxppersistencerat

    • 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

    • 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