General

  • Target

    44ef5a62b6a9c014ef9e13bb699b162ad599033040f0e59c89abb119da0c10b0

  • Size

    415KB

  • Sample

    220521-pl9lvaagdk

  • MD5

    9395d233d9c3387acdce89239696e962

  • SHA1

    37383b1b046cddc654d030e39b4c43518f4fb177

  • SHA256

    44ef5a62b6a9c014ef9e13bb699b162ad599033040f0e59c89abb119da0c10b0

  • SHA512

    e41796a228256ed09d214a58583da1f17524eb14b93b036bd6c46fb422acce55edbbb36c748828f0993fd2f11ca1bc52382e3be59b59885c7cb606be332502e4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.almushrefcoop.com
  • Port:
    587
  • Username:
    zainab@almushrefcoop.com
  • Password:
    zainab123

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.almushrefcoop.com
  • Port:
    587
  • Username:
    zainab@almushrefcoop.com
  • Password:
    zainab123

Targets

    • Target

      Product_vershold_offersheet__sample_v1.exe

    • Size

      598KB

    • MD5

      80abf4b48ea624d88abb12c5057ac894

    • SHA1

      374f6135d41b33ae95c8ec8ed1e364f819d928da

    • SHA256

      5fd1a8e20efd63b0f47c74d6d85d280bce0fdf2e9843ffdf3461fc29ad26d9a7

    • SHA512

      1ed3966c79259e6563f2066086a2506bf539554b59a2bf4674f3e5ec96292c0a664e209c2c03c869b2be0bb328efe893f82cb1271f20d28868b9da5923de9223

    • AgentTesla

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

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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