General

  • Target

    50...............50..........doc

  • Size

    24KB

  • Sample

    230330-mty4zadg5x

  • MD5

    5eb3eacfdfdb969d2bab0b64be2a5bf7

  • SHA1

    dd56c02a8069a24d01ea3cba2dd6f3c3f53c6d51

  • SHA256

    456900846bc7241e40616d9f1b075f0144b2f374eb5973efd74500d0dba1fb14

  • SHA512

    31afa24c502e0a63a2d40cc02eed4a7a75fb67c66044a0726656bafb6c681c2e2c6ceffde7ee4ed8d84897145c28cf3132be6be0472cf9af42df18e875eaf352

  • SSDEEP

    384:sUTsO06RX+ZjfPRKkmZQqgtX5MicRux6diEAXiRzcYh5q3P6It5j8j072Xau69:sqsO0xVf5KQX2iOEvJXSgYqiII072Xat

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      50...............50..........doc

    • Size

      24KB

    • MD5

      5eb3eacfdfdb969d2bab0b64be2a5bf7

    • SHA1

      dd56c02a8069a24d01ea3cba2dd6f3c3f53c6d51

    • SHA256

      456900846bc7241e40616d9f1b075f0144b2f374eb5973efd74500d0dba1fb14

    • SHA512

      31afa24c502e0a63a2d40cc02eed4a7a75fb67c66044a0726656bafb6c681c2e2c6ceffde7ee4ed8d84897145c28cf3132be6be0472cf9af42df18e875eaf352

    • SSDEEP

      384:sUTsO06RX+ZjfPRKkmZQqgtX5MicRux6diEAXiRzcYh5q3P6It5j8j072Xau69:sqsO0xVf5KQX2iOEvJXSgYqiII072Xat

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • 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 v6

Tasks