Analysis

  • max time kernel
    19s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    23-04-2021 06:04

General

  • Target

    Inquiry #5883610.exe

  • Size

    315KB

  • MD5

    3923c07b5ff44973dbad4b1826427bdf

  • SHA1

    5949a54bf6d4c5faf611d95c924deef7d6729e64

  • SHA256

    9ca5bc3edad6054e4392f2bef41d4b10caa8acaca84dea4f4ab9bce5c4f25ff2

  • SHA512

    d0ddc97610987b2a3f05be69fb60e48ee0b4fab922e23ad029c9da78123666fe3269002c8db9e5ea2627bf49785b74a3be530b7cd555b5be7e03411077491bc8

Malware Config

Extracted

Family

azorult

C2

http://bengalcement.com.bd/AxPu/index.php

Signatures

  • Azorult

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

  • Loads dropped DLL 5 IoCs
  • Reads local data of messenger clients 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Inquiry #5883610.exe
    "C:\Users\Admin\AppData\Local\Temp\Inquiry #5883610.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\Inquiry #5883610.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2740

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\6E3C648E\mozglue.dll
    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • \Users\Admin\AppData\Local\Temp\6E3C648E\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \Users\Admin\AppData\Local\Temp\6E3C648E\nss3.dll
    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • \Users\Admin\AppData\Local\Temp\6E3C648E\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\nsf3AAF.tmp\m86h1mcc8b.dll
    MD5

    f708c50dbc2cccdb043e6c93dfea271a

    SHA1

    ee4a56b5ea8ec500c0efbf83d759a19a2c09f9cb

    SHA256

    8c099b6fe4c6eb347e1f6789508eaa766ca532957889623e9458c576fdbffbd8

    SHA512

    0c588e42c1ff8df18347bbc3bc16b147940500fd57233b5221e0f962503a0e1ab3ffaa708fd4f14c12023f6be1844b37599eb6d8ef95ed046873378d987a72b4

  • memory/2740-116-0x000000000041A684-mapping.dmp
  • memory/2740-117-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/4024-115-0x0000000002360000-0x0000000002362000-memory.dmp
    Filesize

    8KB