General

  • Target

    3b0c07c4_by_Libranalysis

  • Size

    181KB

  • Sample

    210511-lbejfrel1e

  • MD5

    3b0c07c41b797f2b0ffcae966cc9a82d

  • SHA1

    b672f397332baea3f71459132820c2d95af8d2b4

  • SHA256

    8ef2d30adee7c780cf545fa682c0b3d5fe6888b98aa44a672a6aee0ba177f550

  • SHA512

    f167070df4873bc3d090c11d9a7c3e392a3f2b10d7362496ec9104888f57662a5da7a8c7fdbf2e7f58aa344c46a2ab0c7dc1c3d919942c3c4b696af8cfd5d98b

Malware Config

Extracted

Family

azorult

C2

http://ahsanulalam.buet.ac.bd/bvyukiu/index.php

Targets

    • Target

      3b0c07c4_by_Libranalysis

    • Size

      181KB

    • MD5

      3b0c07c41b797f2b0ffcae966cc9a82d

    • SHA1

      b672f397332baea3f71459132820c2d95af8d2b4

    • SHA256

      8ef2d30adee7c780cf545fa682c0b3d5fe6888b98aa44a672a6aee0ba177f550

    • SHA512

      f167070df4873bc3d090c11d9a7c3e392a3f2b10d7362496ec9104888f57662a5da7a8c7fdbf2e7f58aa344c46a2ab0c7dc1c3d919942c3c4b696af8cfd5d98b

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

5
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

5
T1005

Tasks