Analysis

  • max time kernel
    128s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    09-07-2020 14:52

General

  • Target

    023cb7d67ab73b5025b038b8aaca2e38.exe

  • Size

    837KB

  • MD5

    023cb7d67ab73b5025b038b8aaca2e38

  • SHA1

    2413cf5dea7556a174d55af552eb0da9b53348c0

  • SHA256

    bc26d6c58c878cead6d2a9597a81ad968b7f1112dcf2b1cb79b1f5d26e695e25

  • SHA512

    ec42af673774a4332e68a0ec1ddc311d6bcab7c8f7082b01b1397afa1766677833912832eeb7f77b7728671f64b1606239b2e72f240d23bc9376e73fc37548f5

Malware Config

Extracted

Family

azorult

C2

http://82.165.75.233/index.php

Signatures

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Checks for installed software on the system 1 TTPs 31 IoCs
  • Azorult

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

  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\023cb7d67ab73b5025b038b8aaca2e38.exe
    "C:\Users\Admin\AppData\Local\Temp\023cb7d67ab73b5025b038b8aaca2e38.exe"
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    PID:3216
    • C:\Users\Admin\AppData\Local\Temp\023cb7d67ab73b5025b038b8aaca2e38.exe
      "C:\Users\Admin\AppData\Local\Temp\023cb7d67ab73b5025b038b8aaca2e38.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Checks for installed software on the system
      • Suspicious behavior: EnumeratesProcesses
      PID:1208

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\2fda\mozglue.dll
  • \Users\Admin\AppData\Local\Temp\2fda\msvcp140.dll
  • \Users\Admin\AppData\Local\Temp\2fda\nss3.dll
  • \Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dll
  • memory/1208-0-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1208-1-0x000000000041A1F8-mapping.dmp
  • memory/1208-2-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB