General

  • Target

    eabf142f7531652de6442b7afeaad5b01e5b001de00c3b91ba6149db8a3d2057.xlsx

  • Size

    678KB

  • Sample

    240502-crxg9age42

  • MD5

    8c8b55f73e020c56cc041a549b9c4c62

  • SHA1

    1702e75236f01814c97482b71598138af61d915b

  • SHA256

    eabf142f7531652de6442b7afeaad5b01e5b001de00c3b91ba6149db8a3d2057

  • SHA512

    d3b2646fa259d84fb3ad9ee9f441fb0c5ffe86a6ad26d71611a218f00d091cdad94bafac10c1dbac97a46ab2573f588f29038cb775740e8f3e912a655dbfb74b

  • SSDEEP

    12288:PjnWAxYblsbJYfJh+jgRad6qe4MsEBjpYuMofZT+rYbR+oWz1/9CO/x:bGwYr+9dfzEFpYj8ZcYbXOp

Malware Config

Targets

    • Target

      eabf142f7531652de6442b7afeaad5b01e5b001de00c3b91ba6149db8a3d2057.xlsx

    • Size

      678KB

    • MD5

      8c8b55f73e020c56cc041a549b9c4c62

    • SHA1

      1702e75236f01814c97482b71598138af61d915b

    • SHA256

      eabf142f7531652de6442b7afeaad5b01e5b001de00c3b91ba6149db8a3d2057

    • SHA512

      d3b2646fa259d84fb3ad9ee9f441fb0c5ffe86a6ad26d71611a218f00d091cdad94bafac10c1dbac97a46ab2573f588f29038cb775740e8f3e912a655dbfb74b

    • SSDEEP

      12288:PjnWAxYblsbJYfJh+jgRad6qe4MsEBjpYuMofZT+rYbR+oWz1/9CO/x:bGwYr+9dfzEFpYj8ZcYbXOp

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks