General

  • Target

    9dda72072bb5f352a9100dc0bc6c089f.exe

  • Size

    1.5MB

  • Sample

    240126-sefa7shfej

  • MD5

    9dda72072bb5f352a9100dc0bc6c089f

  • SHA1

    261268d043679a90fca1b6489738f5a1df30105e

  • SHA256

    e78be787cfbb5ab74a1c8c2fb7c33b7fdb644dc616c4505057fe00511353137a

  • SHA512

    ac523ad9a9ef698f843677cbb54e300a7c789bf5bdc0cb526ba4cebe6a976db69e107da78788b3dcd1b7f11d56b44aeaf7829ffcb516c13625ab4f3fa39f000b

  • SSDEEP

    24576:8AHnh+eWsN3skA4RV1Hom2KXMmHaGKnmSp3fgmm36sSx7bIhVmgPWsuJ5:bh+ZkldoPK8YaGoYdSFbITP+t

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

107.173.4.16:8787

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-KZRQJH

  • 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

      9dda72072bb5f352a9100dc0bc6c089f.exe

    • Size

      1.5MB

    • MD5

      9dda72072bb5f352a9100dc0bc6c089f

    • SHA1

      261268d043679a90fca1b6489738f5a1df30105e

    • SHA256

      e78be787cfbb5ab74a1c8c2fb7c33b7fdb644dc616c4505057fe00511353137a

    • SHA512

      ac523ad9a9ef698f843677cbb54e300a7c789bf5bdc0cb526ba4cebe6a976db69e107da78788b3dcd1b7f11d56b44aeaf7829ffcb516c13625ab4f3fa39f000b

    • SSDEEP

      24576:8AHnh+eWsN3skA4RV1Hom2KXMmHaGKnmSp3fgmm36sSx7bIhVmgPWsuJ5:bh+ZkldoPK8YaGoYdSFbITP+t

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Accesses Microsoft Outlook accounts

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks