General

  • Target

    b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba

  • Size

    347KB

  • Sample

    240406-j5l21aeh49

  • MD5

    935b3a19c6be5d0347fba2f24d770cc6

  • SHA1

    2dd2bcdc8c4a0f1ecbac1fe7190a8ee9b72e3bb0

  • SHA256

    b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba

  • SHA512

    ff8a512bbc0becdb2147f64f1093911556bf093840b0b95d2ce4461ebc266c738b52fed2b6800b3d60a188bb662ebc9fcdd2caeac18c361b2934ca7e2fae54fa

  • SSDEEP

    6144:cCnUqAIgawzMsiaKYHRJPX4wE89oZ9wea/GIY3jnn/a1CVUDU1f:zUqAIgrzMsi2XSUozwdI3j/iCcSf

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba

    • Size

      347KB

    • MD5

      935b3a19c6be5d0347fba2f24d770cc6

    • SHA1

      2dd2bcdc8c4a0f1ecbac1fe7190a8ee9b72e3bb0

    • SHA256

      b0174c2a0822dca72e78e258d93686c4193d588c2c3dcd3b7e2753a6df528dba

    • SHA512

      ff8a512bbc0becdb2147f64f1093911556bf093840b0b95d2ce4461ebc266c738b52fed2b6800b3d60a188bb662ebc9fcdd2caeac18c361b2934ca7e2fae54fa

    • SSDEEP

      6144:cCnUqAIgawzMsiaKYHRJPX4wE89oZ9wea/GIY3jnn/a1CVUDU1f:zUqAIgrzMsi2XSUozwdI3j/iCcSf

    • Buer

      Buer is a new modular loader first seen in August 2019.

    • Detect ZGRat V1

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan 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

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

3
T1005

Tasks