General

  • Target

    21112024_0611_CargoInvoice_Outstanding_56789_2024-11-21.vbs.arj

  • Size

    22KB

  • Sample

    241121-gxzxsatneq

  • MD5

    db52a0c14e0878a3984a3bc01f4ef7ee

  • SHA1

    b0d6650c59b6416f82b41c7b0c4b7f9ac90aaa78

  • SHA256

    9438968ce3ce25d47bf5ba3f9a93d0636a69a80d8644b303d784651ca34ef043

  • SHA512

    3c243c2baae0c2658bc7baf9e6c681279c7e190772d6c099a99906051515434078f0795f33cda4f9c1bbe9b3a847d9936a9335441786db3ea9d16a06c10dd954

  • SSDEEP

    384:77JdvZl40WmQ55mzwQQB1FmK9bKVh/mUE+0q34pI3gHkSelsI:RlZWRmA5mA2KN8hJE+03mgHQF

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.17.14:2404

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-KC5V8F

  • 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

      CargoInvoice_Outstanding_56789_2024-11-21.vbs

    • Size

      38KB

    • MD5

      e221e50773f32bab23fcf3d130c68481

    • SHA1

      350bd0a28a1cbffb8a9e4f9075cec81895798a80

    • SHA256

      602003e98421ce67063784195fd50caa107f895549f55efc60bf569e605f61f2

    • SHA512

      6c846e5b6a6c835511cfb7823516163ba9f1056e7ac2159e73a059b29bfc75b102c43f8779330a220fbffcaf0708e5c47aa6a5947beb983d1fa954fbe337de3e

    • SSDEEP

      768:IZLtB89wlVgpDAus1yZUR/eGR4/3yLohsVgIij/+gHxWseNAeonfre7st2r:IZJB8rDds1yGRm+4/kLiD+goRNAnXtu

    • Remcos

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

    • Remcos family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks