General

  • Target

    revised original documents.exe

  • Size

    891KB

  • Sample

    221002-t3ng6agcgk

  • MD5

    c35a519815166dfe0d90f8274ac95df9

  • SHA1

    4fe865ed94e02c84a980101964faaacbf9f7f8f6

  • SHA256

    ee2436800abe2f3e0142fbd6f6d5a2212d16f807658988a0a178139abe6fd4c3

  • SHA512

    b305f3acd764afa454f365a8c6af5d0f6f401545fc4cf87710203f14200b9681dbae8e967cbcb0722380e4062e652349846ba424df638bfb21ca23e883da0475

  • SSDEEP

    12288:oVP42iNRAygLObOH8FpyBef5udSLAhMk3qjJ5nXhrp3/nKVInyfgx:OP41ULOqH8KtSLAhMk6jrX

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sseximclearing.com
  • Port:
    587
  • Username:
    saurav.roy@sseximclearing.com
  • Password:
    Ssxm@9854

Targets

    • Target

      revised original documents.exe

    • Size

      891KB

    • MD5

      c35a519815166dfe0d90f8274ac95df9

    • SHA1

      4fe865ed94e02c84a980101964faaacbf9f7f8f6

    • SHA256

      ee2436800abe2f3e0142fbd6f6d5a2212d16f807658988a0a178139abe6fd4c3

    • SHA512

      b305f3acd764afa454f365a8c6af5d0f6f401545fc4cf87710203f14200b9681dbae8e967cbcb0722380e4062e652349846ba424df638bfb21ca23e883da0475

    • SSDEEP

      12288:oVP42iNRAygLObOH8FpyBef5udSLAhMk3qjJ5nXhrp3/nKVInyfgx:OP41ULOqH8KtSLAhMk6jrX

    • 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

    • 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