General

  • Target

    4c414b473bccbbce2c7cde00248ea1a1

  • Size

    523KB

  • Sample

    220504-scqddsghbj

  • MD5

    4c414b473bccbbce2c7cde00248ea1a1

  • SHA1

    77bf848d5a1d4d0fdc252aa170e7b8af19bcc012

  • SHA256

    7bb212946fdeb406c7aa8f691405d185065514d5dc1f269f8e409762ff9f6915

  • SHA512

    0fa66c53045e9e74d294420d66deadcad7ee56d13e33dd90e73b0de1e6958cd3b5c347e13e85797895bbac5f23b3cc3926d6b9a75f242ef2379d93230c7b0f9b

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    Az@gcmce.com
  • Password:
    DANIEL3116

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    Az@gcmce.com
  • Password:
    DANIEL3116

Targets

    • Target

      4c414b473bccbbce2c7cde00248ea1a1

    • Size

      523KB

    • MD5

      4c414b473bccbbce2c7cde00248ea1a1

    • SHA1

      77bf848d5a1d4d0fdc252aa170e7b8af19bcc012

    • SHA256

      7bb212946fdeb406c7aa8f691405d185065514d5dc1f269f8e409762ff9f6915

    • SHA512

      0fa66c53045e9e74d294420d66deadcad7ee56d13e33dd90e73b0de1e6958cd3b5c347e13e85797895bbac5f23b3cc3926d6b9a75f242ef2379d93230c7b0f9b

    • 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 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