General

  • Target
    BacteriaGrabber_0.rar
  • Size 3.1MB
  • Sample260721-bke4yscx2w
  • SHA256 af6d4152cf9e0d9974e5a776dcb61795909e4e3d2b79fc87a312248a2ebf5602
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      BacteriaGrabber_0.rar
    • Size 3.1MB
    • SHA256 af6d4152cf9e0d9974e5a776dcb61795909e4e3d2b79fc87a312248a2ebf5602
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      BacteriaGrabber.exe
    • Size 2.3MB
    • SHA256 ffcba5c92b8d7337d140e25e6c4b7b1b6cba499be168510422a52b81507c494d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      Guna.UI2.dll
    • Size 2.1MB
    • SHA256 2130c7489f5a5e21812c1eab37dc4903b901861a2d545aa607555be269091afd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      dnlib.dll
    • Size 1.1MB
    • SHA256 97ef5328d1d1703924c48d9cd1d45b7227fe3836e116dcded623b6a0dbd52c23
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks