General

  • Target

    f995edeb5bb3d11a9fd0edd1c75fd987caba4d2ce28f79fff9875b7c635667e8

  • Size

    787KB

  • Sample

    240427-b3922shc81

  • MD5

    56aa2e00efe6a68ffc53e522024cc4b1

  • SHA1

    3cf0b5d6e231a07a5879d5c117423aee98c3badc

  • SHA256

    f995edeb5bb3d11a9fd0edd1c75fd987caba4d2ce28f79fff9875b7c635667e8

  • SHA512

    4c4b11f7d981684447b1a9558b2ce736ce1c3a78214ad307d49000e888bfc3a7df3b7785c5daa077a8e7529eeb95a4e8e1c0f8a2a963931fe7680e44c64a752b

  • SSDEEP

    24576:+HjowWm0Id6VEsOFJnEyEpf1Bte6saaJgVH:+sBId6VdOFpErVY6saa6h

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      New Order No Q240419617.exe

    • Size

      834KB

    • MD5

      f0a478ed8708a6425227f6890e829452

    • SHA1

      223368040aa836f75caa1429ee7c23a37c8549d7

    • SHA256

      b4b17895d93678aa95d2fd85370650513f6c7207ead9c154ddaa0215cabc03f1

    • SHA512

      d6a06f6637bbba5ee8cd74602d46b32ea55b623e8aa000ddadcf610087125129091a57a6d0b3bb6a2337a8be53d2ade1c74d55d4df7abddc3bc09bb3aeceff50

    • SSDEEP

      12288:qyqnHvjNIrpf9rN/mc/CCznedC/weVcseeeiOVTvrVvKmGA1LovNF3qk1vfmvw4V:yPjKr5BNDPDedmVcseF1vZFLo1Nqk1X

    • AgentTesla

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

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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