General

  • Target

    7180c696cd1ba7b42913cbbcdbdb52631e568308d94cf7b36da1fed6c00b9278

  • Size

    527KB

  • Sample

    220521-nbwrkagedp

  • MD5

    32bb42e3fc22a36b1ea958e0601fe076

  • SHA1

    7dc76aceb65fb8c400521b09b0a3e2dcf4fc7d63

  • SHA256

    7180c696cd1ba7b42913cbbcdbdb52631e568308d94cf7b36da1fed6c00b9278

  • SHA512

    0fab905844915f7820bc3518befa0f5a80df36868dbe2fc12b79d56e31bfae51940ebd590b6dc867efcd904d54d64c4962a8a4521369d689412599c50d1be378

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ritac-eg.com
  • Port:
    587
  • Username:
    ugoblaq@ritac-eg.com
  • Password:
    YM%dNtj2

Targets

    • Target

      QUOTATION.exe

    • Size

      579KB

    • MD5

      604108d0607c37fef45d876d0f4d834c

    • SHA1

      680b0c8b2f76e0b47f4d37c75f9b7cc1797f9cce

    • SHA256

      b7a6f698d55b81c17148ab01aa383457174788d2448d6a6df8e0d9db3c77dd12

    • SHA512

      1eb51f42346da4d49e20edc0446c7783838600901489ebe98aecfe1020a0d773d2b8f089852e47f9c4212728fcc5cee4ee1ab08341dcc4bfa02a072d81565fcb

    • AgentTesla

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

    • AgentTesla Payload

    • 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

2
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