General

  • Target

    Remittance of $76,000.00-pdf.gz

  • Size

    3KB

  • Sample

    230602-mnl78abd4t

  • MD5

    356d46d40500336b4957b9afee5d8efa

  • SHA1

    1176da001c195199b05d3df07f14b2a6f6346fbb

  • SHA256

    777530c2f0d12654c4f47b987f2c8bf18b3afd040d4c9057ea37b2d52e423ff5

  • SHA512

    53255bed3c17acce701b8444db8a7c5e941d03e97119b4f2cd9a4a54b98e7bd01e3abee10682e1fe15a424c268d2c68a8927943fff34f4fea9873ce10b7ce9ae

Malware Config

Extracted

Family

purecrypter

C2

http://85.31.45.42/Hmumry.png

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.keefort.com.ec
  • Port:
    587
  • Username:
    ssg@keefort.com.ec
  • Password:
    u=Wa6eChU3nj
  • Email To:
    kaka@kingsamodin.com

Targets

    • Target

      Remittance of $76,000.00.exe

    • Size

      7KB

    • MD5

      35004f2270d99d582de6c138614e602c

    • SHA1

      726df09a779ac8d2cb23e0ff3e5aca32b5a7874e

    • SHA256

      b828fabbbc217d50542d19c8f8fb2b49c924f7a0cc6cbbc404e4439063febe51

    • SHA512

      4eb17d42c3c2b9a4299153784690dd2030a5a7572bc5f34e3038392ea5dc881f2f962777f0dea28a1cef59c8012a670c547d4dbcbc1a98c37ba785f984fcd9f8

    • SSDEEP

      192:li64f60lNCQEeL+57HNCx0L0Lyfzn5G9:L4f9oveL+5rNCqL0LyfzE

    • AgentTesla

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

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

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