General

  • Target

    b0e52d7e74bb3af7ae127e735fb4df7f6db72311d97a4cecc380c9cfad327b4a

  • Size

    403KB

  • Sample

    220521-n2matahfcl

  • MD5

    74feb1c267d6f4654e0b34da6712de7b

  • SHA1

    cb10ac7973c0ea7b5e295a927a24b95c3bba7e08

  • SHA256

    b0e52d7e74bb3af7ae127e735fb4df7f6db72311d97a4cecc380c9cfad327b4a

  • SHA512

    ebda5b132f4357492b9957b31b370bdb70f7f96887e931a8396ada5400685c9a0e2408a012bd03e64f9efc3bb901c62e5a4af5c99b20fa72076942e671561e6a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mmm777

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mmm777

Targets

    • Target

      DHL.exe

    • Size

      475KB

    • MD5

      6ee50ca2130c2b82000373150dcfb9fe

    • SHA1

      23569320d7658419009d7d3c078c8bfcf8596af0

    • SHA256

      f84199d9f7c49526677334431b530d77bd580c7fd961c960c2c51a34ce148566

    • SHA512

      2ce08906dfdcaa53a5e9a9cf35348f990e26db84541ef1e41c138850a5bba867dbd03ecba55da64a60344dcd0043593d7f36b3fdbcb7dba4481de21855917362

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks