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General

  • Target

    8883a108b33d719d8646dc0cbcdabce184be1bfce307c3eeedf96f7c5847cdfe

  • Size

    1.8MB

  • Sample

    240523-j7wzzsaf2s

  • MD5

    25f8fcd2bb019b162b9096257408e639

  • SHA1

    70df732c3f965e5a1c754ad4fc19d3165852e030

  • SHA256

    8883a108b33d719d8646dc0cbcdabce184be1bfce307c3eeedf96f7c5847cdfe

  • SHA512

    1d5ef4f3b63cbc1b5ed85e800904c5566fc0da0e24abbf4364259d5b952f9da84df76662e1c5502e5067d56f9b18d56efb085dfa25a21e787c965dbd1eb243f4

  • SSDEEP

    24576:FBfuZfeq6sFO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFXJtTF+TxMoxc1TU+j+dAzGwlrh

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      8883a108b33d719d8646dc0cbcdabce184be1bfce307c3eeedf96f7c5847cdfe

    • Size

      1.8MB

    • MD5

      25f8fcd2bb019b162b9096257408e639

    • SHA1

      70df732c3f965e5a1c754ad4fc19d3165852e030

    • SHA256

      8883a108b33d719d8646dc0cbcdabce184be1bfce307c3eeedf96f7c5847cdfe

    • SHA512

      1d5ef4f3b63cbc1b5ed85e800904c5566fc0da0e24abbf4364259d5b952f9da84df76662e1c5502e5067d56f9b18d56efb085dfa25a21e787c965dbd1eb243f4

    • SSDEEP

      24576:FBfuZfeq6sFO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFXJtTF+TxMoxc1TU+j+dAzGwlrh

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • 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 v15

Tasks