General

  • Target

    272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1

  • Size

    286KB

  • Sample

    240328-gfvazaee8y

  • MD5

    da84940be266032678f66021f5e028ec

  • SHA1

    ac7ae700a7e1b5e5ab90b0a10f2001a5bfde0db2

  • SHA256

    272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1

  • SHA512

    13987ec104feac64b64f5c1b04b6f4bf45e798d938045a42091e82ff4acf4ce3fd1b557a228896f9cea8b0718ffcb7b5a765ffcf004596bb1746d54a4fe5c51f

  • SSDEEP

    3072:JKTN28++LlAwR+npdKg5rJya0nm6sTkIaIGUJgIs9XOwdA:40tWa5VgvIaUJ3s9X7

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.26

Attributes
  • url_path

    /f993692117a3fda2.php

Targets

    • Target

      272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1

    • Size

      286KB

    • MD5

      da84940be266032678f66021f5e028ec

    • SHA1

      ac7ae700a7e1b5e5ab90b0a10f2001a5bfde0db2

    • SHA256

      272233c4dd1c4d2455a7d6ac2c29f9c7b0af369d1ea516b4456ea757493e6df1

    • SHA512

      13987ec104feac64b64f5c1b04b6f4bf45e798d938045a42091e82ff4acf4ce3fd1b557a228896f9cea8b0718ffcb7b5a765ffcf004596bb1746d54a4fe5c51f

    • SSDEEP

      3072:JKTN28++LlAwR+npdKg5rJya0nm6sTkIaIGUJgIs9XOwdA:40tWa5VgvIaUJ3s9X7

    • Stealc

      Stealc is an infostealer written in C++.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

3
T1005

Tasks