General

  • Target

    revised original documents.zip

  • Size

    831KB

  • Sample

    221002-pql2cafae5

  • MD5

    99992ca6681872fa3ae9ea82a006d50e

  • SHA1

    11ffd10747a7d1b4ff88b16b2694a0a6c89664f6

  • SHA256

    c22c6f9d19638ea1551aacfbcaff86e9b6426eb38eed5826c6b6c11053081c56

  • SHA512

    e3211c30671f58a3301a2d811e30ac15244b55bae85e8d5291d80b00fac3aaff0de17482e0c4dc408054dd2a6aa47a6d8b236e8638213f059267854afda9a582

  • SSDEEP

    24576:tuKePaHyKnyZAGgDUB/TaQ4d3+H0ZnnxHUFN+y:wksZeU5Ahx0iy

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

      1.1MB

    • MD5

      cc98bc7f6a37ab1e9ec3e3257e15c854

    • SHA1

      bc7a13f6051b7ffb0d4f969ba24614f88cea0035

    • SHA256

      c30e355a92bee2c46c8e7cb9dea3532e99579e68b3a147d566dd8929a99d5893

    • SHA512

      dbed212a92f976384034deec7f8a773d90db42c33ef5e5751b35227a5abf1fe634c688f35bbe50931f2963a8e09cba7a81e07d825d862869c7d862d9b5d9f5bf

    • SSDEEP

      24576:q1Uv6ZAkgpwBVTKQMj3WH0DBnrsFFjrX:qTZ0wru9rsFFP

    • 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