General

  • Target

    33781d32bd85d61f542cb3167631fb39.exe

  • Size

    973KB

  • Sample

    210120-px9wyx8p3n

  • MD5

    33781d32bd85d61f542cb3167631fb39

  • SHA1

    4b6acb5995cdef60998ce98d1b1a65dff3152327

  • SHA256

    eaff959136dcb8dbb2db3429ac0ed3efe5263d99abacd5bbb05ba0f36495683c

  • SHA512

    c7c4727a64ba2a1f85fff4801278301c0346727d312b3b29461d96c84c12dcc9f4d9bab2a93118c576ebcbd00718ad514d2321f47a71a72851378869ccdef6e8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.naijajob.net
  • Port:
    587
  • Username:
    info@naijajob.net
  • Password:
    r]n~Q6,I5hnQ

Targets

    • Target

      33781d32bd85d61f542cb3167631fb39.exe

    • Size

      973KB

    • MD5

      33781d32bd85d61f542cb3167631fb39

    • SHA1

      4b6acb5995cdef60998ce98d1b1a65dff3152327

    • SHA256

      eaff959136dcb8dbb2db3429ac0ed3efe5263d99abacd5bbb05ba0f36495683c

    • SHA512

      c7c4727a64ba2a1f85fff4801278301c0346727d312b3b29461d96c84c12dcc9f4d9bab2a93118c576ebcbd00718ad514d2321f47a71a72851378869ccdef6e8

    • AgentTesla

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

    • AgentTesla Payload

    • 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

    • 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 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