General

  • Target

    5a6473afa5eb4f04eb5fa442198a90c27fbc9da2582e51bc070870cfeb3ba669

  • Size

    379KB

  • Sample

    220521-asemqadfer

  • MD5

    2768ae5cc4f5f0ca91c54c49dd69d75a

  • SHA1

    46161c3a9003d4c12d6066d4af74e0560a415433

  • SHA256

    5a6473afa5eb4f04eb5fa442198a90c27fbc9da2582e51bc070870cfeb3ba669

  • SHA512

    29693ec24935acacc80a491340ae3138398780d825d504cbb9dddaef501af8ce13565f5388667a85ec490c1b2fc22084e94325f35276d6296ab1b05ea0952864

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.greenslr.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    )HdurgF2

Targets

    • Target

      POOED20201366.exe

    • Size

      422KB

    • MD5

      fcbf7204db1e0beed9d269641d65f957

    • SHA1

      885ee8f82104912ab6392cbe397c88bb01f1d263

    • SHA256

      89832aeecfac3c9bd0c972fd727f0987054e2c501aaf40b61c4843e2923d2869

    • SHA512

      a407023bfbdc666361b1e71a8462b02644dc1fb47af5af87d7465c173286ab40c089b199cfa10d6401f8b8cea0d27dd96ee33570dde12418d70d3a20ccbfd7a0

    • 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

    • 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