General

  • Target

    REQUEST FOR QUOTATION.tar.gz

  • Size

    559KB

  • Sample

    210728-b3ked4t9nj

  • MD5

    249cc30b6541f182154be6d54a557e69

  • SHA1

    39d871c556f02bea9ae489ca43d8fb77c32315df

  • SHA256

    a72d4067ed5b8cc493eeed68f4f14072ae1c065b70ade643d3c1c2ac67c8edae

  • SHA512

    621de46fb94ef1215277e99f0b88cb0168795d752ded50527baa887d865d8fcd77bc4b75b99b1b46297948a35130fd3e1b6f5df14d8661bcf7ab0ae55aa8d2d0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.buynsell.com.pk
  • Port:
    587
  • Username:
    webmaster@buynsell.com.pk
  • Password:
    Zeco@141

Targets

    • Target

      REQUEST FOR QUOTATION.exe

    • Size

      840KB

    • MD5

      473abc32162018e106a776dc9acceac0

    • SHA1

      5152df8dbcec444f42ed278bc57fe47cfdb735b7

    • SHA256

      e64c0a4f990a69ed7b395ed86eb27f0334bc48a4cae437db54f3e7625392eaa9

    • SHA512

      e97e2acfbb92ae3f6966873dec23a02a483442177c2447d3f58a64e1af21e974999174a4d39b73313f86e1ea8d5af3f00dd466d00c42aa37f9e6c1e89558fd24

    • AgentTesla

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

    • AgentTesla Payload

    • CustAttr .NET packer

      Detects CustAttr .NET packer in memory.

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks