General

  • Target

    61c6a3b0c90460d5e37a7dfa24219cb05d6064c9d92233f5e7e0b538573538c6

  • Size

    468KB

  • Sample

    240329-b6ltmaec4v

  • MD5

    cbb684a5d6cb446749ad1585c4561203

  • SHA1

    15690fa1f2115bf79d7cc4eab2bd684607a54849

  • SHA256

    61c6a3b0c90460d5e37a7dfa24219cb05d6064c9d92233f5e7e0b538573538c6

  • SHA512

    850d3eecba2fc2d315302f1ea08cc836942c92268bf44135e262fe1aa5970399b17b79efa4c6f0bc1b93fa3d0015a9307999f7b35d125fbe5d2c0de64b6e6eed

  • SSDEEP

    12288:Dt8G/id/vRWNipUvfzSYz8ggrhmdrFfn+Ry:Dt8G/Gnki+nH4ggrorFh

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      61c6a3b0c90460d5e37a7dfa24219cb05d6064c9d92233f5e7e0b538573538c6

    • Size

      468KB

    • MD5

      cbb684a5d6cb446749ad1585c4561203

    • SHA1

      15690fa1f2115bf79d7cc4eab2bd684607a54849

    • SHA256

      61c6a3b0c90460d5e37a7dfa24219cb05d6064c9d92233f5e7e0b538573538c6

    • SHA512

      850d3eecba2fc2d315302f1ea08cc836942c92268bf44135e262fe1aa5970399b17b79efa4c6f0bc1b93fa3d0015a9307999f7b35d125fbe5d2c0de64b6e6eed

    • SSDEEP

      12288:Dt8G/id/vRWNipUvfzSYz8ggrhmdrFfn+Ry:Dt8G/Gnki+nH4ggrorFh

    • AgentTesla

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

    • Detect ZGRat V1

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Tasks