General

  • Target

    f0cc1f9ae35526e82f7e450365cc6bdf1e8c11d1d75540b228932d527428be1d

  • Size

    1.2MB

  • Sample

    220520-3k3zkahah4

  • MD5

    b183485a5cccefd740941092579c51a9

  • SHA1

    1a528f0bca6d5420fd527cbc1ff479ca43cdf803

  • SHA256

    f0cc1f9ae35526e82f7e450365cc6bdf1e8c11d1d75540b228932d527428be1d

  • SHA512

    4c87683589f89ca1d81bed48cf49149686cdfb7a9120396961657ed619aefa9d6b8d95bb7a3043f68ee0f8ba61656d2b1d7e70e9888e68436db1d176644e7f63

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.northwestpowdercoating.co.uk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    C^0z.^LxykTW

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.northwestpowdercoating.co.uk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    C^0z.^LxykTW

Targets

    • Target

      TRANSFER.SCR

    • Size

      708KB

    • MD5

      fc6d14669988bc5bad68feacabe0c48e

    • SHA1

      33ca62fd01994e697dd2aa639c630fc13e04fc8b

    • SHA256

      fce01fb0c77c4ef7fe37e5bb920e7098a11f4569a8cd3b3056de57ead5667881

    • SHA512

      c719555bf75928681b1f39c17c730473eaa6ead1c302876e0e15ae9f201a98f79e5d5e0ea7adb38d23e061a3496bc000ee5a9c007f51c3b7c13865c0cc74b749

    • AgentTesla

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

    • AgentTesla Payload

    • 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