General

  • Target

    cdb9c729be69d7be3dc8968076579965_JaffaCakes118

  • Size

    463KB

  • Sample

    240831-2h7paszbjc

  • MD5

    cdb9c729be69d7be3dc8968076579965

  • SHA1

    db21bdfd20a4986cac1e8bf2eb0d3d5dabbc288c

  • SHA256

    79f875e9f11cf9ef04d13a5995acf891688424eab9315d71ae7a3573288c6a0c

  • SHA512

    c8633b70ef105e85c42ac34858cbcefc2fb1aed509d2a657fa1e877cb7e126ea1bed1bc6b1024e11f6c7deca123a0913793fcfa6192944cc3470e4c9eaeb4649

  • SSDEEP

    12288:S7dOqIJlVSQon8z13Kd/SifDSHaXmwrJo:S78nLVVZaVSi2Hye

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      cdb9c729be69d7be3dc8968076579965_JaffaCakes118

    • Size

      463KB

    • MD5

      cdb9c729be69d7be3dc8968076579965

    • SHA1

      db21bdfd20a4986cac1e8bf2eb0d3d5dabbc288c

    • SHA256

      79f875e9f11cf9ef04d13a5995acf891688424eab9315d71ae7a3573288c6a0c

    • SHA512

      c8633b70ef105e85c42ac34858cbcefc2fb1aed509d2a657fa1e877cb7e126ea1bed1bc6b1024e11f6c7deca123a0913793fcfa6192944cc3470e4c9eaeb4649

    • SSDEEP

      12288:S7dOqIJlVSQon8z13Kd/SifDSHaXmwrJo:S78nLVVZaVSi2Hye

    • AgentTesla

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

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks