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General

  • Target

    Salary List.xls.vbs

  • Size

    1.1MB

  • Sample

    240531-qfjznshh3t

  • MD5

    895c0c58f0e05a6b30b1b1956e76c16b

  • SHA1

    e56fc2959189ec7a520cbc17703ea3aa4550253c

  • SHA256

    4de05aee1a99ea577443c742aa6c1ce05e88c3c716c234f1d1598c2e648486da

  • SHA512

    51ee9a36c1f8b3a1c4dc17d8b823da8abcc78002fe4c81ae22010107f8f5536b7dde7217e662bc5feed85305629fc1b730e7cc25cd01ab83bf8c5b69c44faeb8

  • SSDEEP

    12288:j31cvBzbU01qal638iNX3iTMgmuYtWN/ZgMiQPeRj+:jYz64+2Sj+

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Salary List.xls.vbs

    • Size

      1.1MB

    • MD5

      895c0c58f0e05a6b30b1b1956e76c16b

    • SHA1

      e56fc2959189ec7a520cbc17703ea3aa4550253c

    • SHA256

      4de05aee1a99ea577443c742aa6c1ce05e88c3c716c234f1d1598c2e648486da

    • SHA512

      51ee9a36c1f8b3a1c4dc17d8b823da8abcc78002fe4c81ae22010107f8f5536b7dde7217e662bc5feed85305629fc1b730e7cc25cd01ab83bf8c5b69c44faeb8

    • SSDEEP

      12288:j31cvBzbU01qal638iNX3iTMgmuYtWN/ZgMiQPeRj+:jYz64+2Sj+

    • AgentTesla

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

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks