General

  • Target

    MACHINE SPECIFICATION.exe

  • Size

    760KB

  • Sample

    210727-f984r5wgtx

  • MD5

    0f4064452757c9830209d116580adc54

  • SHA1

    9fad72530e98734aa913b36a69b963a91eefac13

  • SHA256

    a1520040a9646ea2582d5b6ec7ddb720de8195473675a768a60659ec277101dc

  • SHA512

    adbe5414b8286c442b2707948231b8e1d620f4e38dfb985262ebe58c032c124f222b6032ca5912cddd6e98827fd5ec9870900b48e9bf1800dc20df6b4795db4f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.avonpharmacmachines.com/
  • Port:
    21
  • Username:
    admin@avonpharmacmachines.com
  • Password:
    ycULZlOO,T9=

Targets

    • Target

      MACHINE SPECIFICATION.exe

    • Size

      760KB

    • MD5

      0f4064452757c9830209d116580adc54

    • SHA1

      9fad72530e98734aa913b36a69b963a91eefac13

    • SHA256

      a1520040a9646ea2582d5b6ec7ddb720de8195473675a768a60659ec277101dc

    • SHA512

      adbe5414b8286c442b2707948231b8e1d620f4e38dfb985262ebe58c032c124f222b6032ca5912cddd6e98827fd5ec9870900b48e9bf1800dc20df6b4795db4f

    • 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

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