General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.16545.13591.exe

  • Size

    662KB

  • Sample

    240429-spk97sea9y

  • MD5

    c6897fbd058549c3c2182697d175d406

  • SHA1

    b206b0a3917b860be47077baf30ea50ea71995f2

  • SHA256

    c6ef25196d351077b5f73d55948ca5209c9bc230222b150593ac949cad0ad4d0

  • SHA512

    e3c8cded974f35ea695f964ba1bcf444e2d7e18a1396b0bd25b478312d368cd8378fd6686b6e22619c92fa26ab1926e19939a38d5faa9a60930f5d4537e1206d

  • SSDEEP

    12288:JaSB778Q44tyqbsRD92pCRnmQ4G/0FDqz7F+cXbD6vECsnTe:sSBC48qgRD9WS/mDqz7ocXbDuECsT

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      SecuriteInfo.com.Win32.PWSX-gen.16545.13591.exe

    • Size

      662KB

    • MD5

      c6897fbd058549c3c2182697d175d406

    • SHA1

      b206b0a3917b860be47077baf30ea50ea71995f2

    • SHA256

      c6ef25196d351077b5f73d55948ca5209c9bc230222b150593ac949cad0ad4d0

    • SHA512

      e3c8cded974f35ea695f964ba1bcf444e2d7e18a1396b0bd25b478312d368cd8378fd6686b6e22619c92fa26ab1926e19939a38d5faa9a60930f5d4537e1206d

    • SSDEEP

      12288:JaSB778Q44tyqbsRD92pCRnmQ4G/0FDqz7F+cXbD6vECsnTe:sSBC48qgRD9WS/mDqz7ocXbDuECsT

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks