Windows 7 deprecation

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General

  • Target

    IMG-02873009pdf.7z

  • Size

    1.0MB

  • Sample

    230804-qcbh5acb2z

  • MD5

    d8fd920b04b3e64bd6cd690edbf18a5a

  • SHA1

    47614db6190e6962ff3a328560b0c06bc50e6995

  • SHA256

    b3fb3ea182da19c8e66b870740d3e954b709c507d2dabee80f5f6975bc4fafe5

  • SHA512

    1842930ca99ad84b1d0e879ac314952cb8fe9c3c28e37cb44f75bbddd0197cc2d8b45e113a4a7327096c69b8839458ac77c2b372ba658f285aa01cd87d568c7d

  • SSDEEP

    12288:b/dARE9F5h5Zcqn6TdRaVvAtCS5ohtWok1PKaWXlAnT5OvMd/bf1wA45H6MhmDt4:bl55lYTGhtWf1PnT5OvMZLKItiKC

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      IMG-02873009pdf.exe

    • Size

      2.0MB

    • MD5

      87e4e76d8e2df4e2ef4311fb94a6ab5d

    • SHA1

      1c8e4db718e20d4beaca8693b3035b31f512e67b

    • SHA256

      16bac81cbed6b7de8ceb6634ea6c5777d2e2f5b255c781a68c47398bb7025ae0

    • SHA512

      d610124b7cbc1a4ab0af9781fcf8d65a28e45f7f101c1a096dae560ac2b746e20cd66607e6cddc5abc4da22135e066352fa2d0984e59470c3618b534b008e626

    • SSDEEP

      49152:12IaSCoAu/ZjhTtnBGl8qCkvoPqPxE34b:fCoAsheskvoSV

    • AgentTesla

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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks