General

  • Target

    0927ab46092b483d9ff5546e54de2b907d36287fd2ca1c7450eae9f77f680069

  • Size

    708KB

  • Sample

    221206-hfsyksce82

  • MD5

    3973d65313ddda73d13f1d170e7a42af

  • SHA1

    c5afa670719fcf48dfd5552925e184a3ba227d4b

  • SHA256

    0927ab46092b483d9ff5546e54de2b907d36287fd2ca1c7450eae9f77f680069

  • SHA512

    cae564d0703e49b2613dbeff0ec1be1a796e092283b2e4db3663e53a66a71d3247a09b8424af5d1173262992a09b744ac475e50d3ceb7546917d83f4645e21dd

  • SSDEEP

    12288:wBXa5k7Tu3XDG2KtsL+qqE1fB6KMebd7O5gwdezYJHTyU6rs47sdiGlmJb:Ma5S4G2KtA+uNMWdiawMkzXus47sIGlg

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.personaltrade.by
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Leto!Leto1

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.personaltrade.by
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Leto!Leto1

Targets

    • Target

      0927ab46092b483d9ff5546e54de2b907d36287fd2ca1c7450eae9f77f680069

    • Size

      708KB

    • MD5

      3973d65313ddda73d13f1d170e7a42af

    • SHA1

      c5afa670719fcf48dfd5552925e184a3ba227d4b

    • SHA256

      0927ab46092b483d9ff5546e54de2b907d36287fd2ca1c7450eae9f77f680069

    • SHA512

      cae564d0703e49b2613dbeff0ec1be1a796e092283b2e4db3663e53a66a71d3247a09b8424af5d1173262992a09b744ac475e50d3ceb7546917d83f4645e21dd

    • SSDEEP

      12288:wBXa5k7Tu3XDG2KtsL+qqE1fB6KMebd7O5gwdezYJHTyU6rs47sdiGlmJb:Ma5S4G2KtA+uNMWdiawMkzXus47sIGlg

    • AgentTesla

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

    • 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

    • Adds Run key to start application

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks