General

  • Target

    tmp

  • Size

    3.9MB

  • Sample

    220924-syh67sbee2

  • MD5

    d60909eb4d445d948740877e759b7b83

  • SHA1

    dc8a672358fa25efbcefb5e4074aab7acdb413a6

  • SHA256

    2d241ce3d2981c29545a11c13ec0ecd7e021759d35dea0c762bb0c63bb1b555d

  • SHA512

    d10292ff78b4e14569d8b96170d0da905b1beb45a1bd76ff7fe7d43b5b72ef079bae7ce68c01759f46b5fb4fc60d367c1cc78fbc676b3adca947f45f58c18242

  • SSDEEP

    98304:FvJ7zh1f+X5wDg+kkq/0j+TdWRRsuwaxhYDU4PQv2Vph2XpR:RPl+XWkkqMaTdWb0aDv2VpC

Malware Config

Extracted

Family

redline

Botnet

Crypt_Mastif

C2

194.36.177.60:81

Attributes
  • auth_value

    26018289184445b16046125f5e616df6

Targets

    • Target

      tmp

    • Size

      3.9MB

    • MD5

      d60909eb4d445d948740877e759b7b83

    • SHA1

      dc8a672358fa25efbcefb5e4074aab7acdb413a6

    • SHA256

      2d241ce3d2981c29545a11c13ec0ecd7e021759d35dea0c762bb0c63bb1b555d

    • SHA512

      d10292ff78b4e14569d8b96170d0da905b1beb45a1bd76ff7fe7d43b5b72ef079bae7ce68c01759f46b5fb4fc60d367c1cc78fbc676b3adca947f45f58c18242

    • SSDEEP

      98304:FvJ7zh1f+X5wDg+kkq/0j+TdWRRsuwaxhYDU4PQv2Vph2XpR:RPl+XWkkqMaTdWb0aDv2VpC

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • YTStealer

      YTStealer is a malware designed to steal YouTube authentication cookies.

    • YTStealer payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks