General

  • Target

    Bootstrapper.exe

  • Size

    796KB

  • Sample

    241013-hsg2vaycqp

  • MD5

    4b94b989b0fe7bec6311153b309dfe81

  • SHA1

    bb50a4bb8a66f0105c5b74f32cd114c672010b22

  • SHA256

    7c4283f5e620b2506bcb273f947def4435d95e143ae3067a783fd3adc873a659

  • SHA512

    fbbe60cf3e5d028d906e7d444b648f7dff8791c333834db8119e0a950532a75fda2e9bd5948f0b210904667923eb7b2c0176140babc497955d227e7d80fb109d

  • SSDEEP

    12288:jHeLH6iTPSE54sgweI9oaQaj3T+piq+77xOZ+eMm:jHeLHdTSEeyoaQaj3apiq+77xd

Score
8/10

Malware Config

Targets

    • Target

      Bootstrapper.exe

    • Size

      796KB

    • MD5

      4b94b989b0fe7bec6311153b309dfe81

    • SHA1

      bb50a4bb8a66f0105c5b74f32cd114c672010b22

    • SHA256

      7c4283f5e620b2506bcb273f947def4435d95e143ae3067a783fd3adc873a659

    • SHA512

      fbbe60cf3e5d028d906e7d444b648f7dff8791c333834db8119e0a950532a75fda2e9bd5948f0b210904667923eb7b2c0176140babc497955d227e7d80fb109d

    • SSDEEP

      12288:jHeLH6iTPSE54sgweI9oaQaj3T+piq+77xOZ+eMm:jHeLHdTSEeyoaQaj3apiq+77xd

    Score
    8/10
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Blocklisted process makes network request

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks