General

  • Target

    tts_211.exe

  • Size

    1.8MB

  • Sample

    211220-k2rczsahhl

  • MD5

    9a468b8d65c5e178f7f102aba60c098c

  • SHA1

    b8ab231f494f2c158f433b1c213ef557492b5148

  • SHA256

    41ae4a22dbe73a3263a6556f0dd96a1e12909b23b69c9f93f3e86a5821aaa0ed

  • SHA512

    838c16f2942e1b0796e7ff440c6dd1f3e0266ab0d1ce0cb78798388aa13bff3c28d0ce8ffa13f202d3bbfaeedf15a722f04315f3ef6d2efb624fb342a25d84cb

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

volc.ddns.net:21501

Attributes
  • communication_password

    d57285fa81b86687bf3a97dc3255ad98

  • tor_process

    tor

Targets

    • Target

      tts_211.exe

    • Size

      1.8MB

    • MD5

      9a468b8d65c5e178f7f102aba60c098c

    • SHA1

      b8ab231f494f2c158f433b1c213ef557492b5148

    • SHA256

      41ae4a22dbe73a3263a6556f0dd96a1e12909b23b69c9f93f3e86a5821aaa0ed

    • SHA512

      838c16f2942e1b0796e7ff440c6dd1f3e0266ab0d1ce0cb78798388aa13bff3c28d0ce8ffa13f202d3bbfaeedf15a722f04315f3ef6d2efb624fb342a25d84cb

    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

      suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    • UPX packed file

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

    • Uses the VBS compiler for execution

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks