General

  • Target

    08f3f4f3751bf3bb08fa0278673205519a8680c14f84cf3ac19fd916fb877821

  • Size

    623KB

  • Sample

    210504-bkk9yfrstn

  • MD5

    0c7da2d3d8c52dd3bb3c80e48cbb3fe6

  • SHA1

    ddf725665517e083e693be16b23fd23dd8b86a41

  • SHA256

    08f3f4f3751bf3bb08fa0278673205519a8680c14f84cf3ac19fd916fb877821

  • SHA512

    48da0330b876e41857c7a8ff531f6c468fbb384b364f6356414b9cadee25c988ac61b0ed2f815e89350bf66733fd8898767c7818569c2d7b1e8aee805a589197

Malware Config

Targets

    • Target

      08f3f4f3751bf3bb08fa0278673205519a8680c14f84cf3ac19fd916fb877821

    • Size

      623KB

    • MD5

      0c7da2d3d8c52dd3bb3c80e48cbb3fe6

    • SHA1

      ddf725665517e083e693be16b23fd23dd8b86a41

    • SHA256

      08f3f4f3751bf3bb08fa0278673205519a8680c14f84cf3ac19fd916fb877821

    • SHA512

      48da0330b876e41857c7a8ff531f6c468fbb384b364f6356414b9cadee25c988ac61b0ed2f815e89350bf66733fd8898767c7818569c2d7b1e8aee805a589197

    • AgentTesla

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

    • AgentTesla Payload

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks