General

  • Target

    QUOTATION.xls

  • Size

    306KB

  • Sample

    201120-2yghh2v9da

  • MD5

    9e5339226f3a7c08d746a03e49e915b6

  • SHA1

    2668f3ff55d791a3536d8600d15304cf72af577f

  • SHA256

    beab92180973ed4b3e39181dba1d6af56358c373520bc789bd6ba91284a043bb

  • SHA512

    9cd694bab5cff37fbc4704859fc22621d2902edb255451db214221db002e86d898839e75445a7db7ca387a469cceb3d3beb4539d242c304a6016f90c5331132c

Malware Config

Extracted

Family

azorult

C2

http://185.222.57.246/key/index.php

Targets

    • Target

      QUOTATION.xls

    • Size

      306KB

    • MD5

      9e5339226f3a7c08d746a03e49e915b6

    • SHA1

      2668f3ff55d791a3536d8600d15304cf72af577f

    • SHA256

      beab92180973ed4b3e39181dba1d6af56358c373520bc789bd6ba91284a043bb

    • SHA512

      9cd694bab5cff37fbc4704859fc22621d2902edb255451db214221db002e86d898839e75445a7db7ca387a469cceb3d3beb4539d242c304a6016f90c5331132c

    • Azorult

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

    • 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 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.

    • JavaScript code in executable

    • Modifies service

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks