General

  • Target

    Payment Invoice.exe

  • Size

    910KB

  • Sample

    240411-h4x77see26

  • MD5

    783addabb1e7dcb48130649faaf852c7

  • SHA1

    c87553da7df62530e9262b35930d6a15aff4949a

  • SHA256

    b162074bf62543007615d08db1dffa75022858944a0ecc5de5ed8d3be561e3da

  • SHA512

    9f352fd443bd680a71ce1a4ece252baa81c2c293727d520ce57da93d461808f50be6c22f4a6f8e0a18f0857785b47f783f1f3cc6c41442275c12149e067b3c3b

  • SSDEEP

    24576:IsWW2f6w8r89u8TeWMkzIULsHTJMGoMzyc/VdK:IsT2fTC8BSWMkluMMzyctd

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

bignight.net:3363

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-1XSDBO

  • 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

      Payment Invoice.exe

    • Size

      910KB

    • MD5

      783addabb1e7dcb48130649faaf852c7

    • SHA1

      c87553da7df62530e9262b35930d6a15aff4949a

    • SHA256

      b162074bf62543007615d08db1dffa75022858944a0ecc5de5ed8d3be561e3da

    • SHA512

      9f352fd443bd680a71ce1a4ece252baa81c2c293727d520ce57da93d461808f50be6c22f4a6f8e0a18f0857785b47f783f1f3cc6c41442275c12149e067b3c3b

    • SSDEEP

      24576:IsWW2f6w8r89u8TeWMkzIULsHTJMGoMzyc/VdK:IsT2fTC8BSWMkluMMzyctd

    Score
    10/10
    • Remcos

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

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks