Analysis

  • max time kernel
    17s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    14-04-2021 06:04

General

  • Target

    8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe

  • Size

    153KB

  • MD5

    84416741172c64875fd3a5bf65ad0d33

  • SHA1

    38a182bf622da5a8ba495d4c6abf57733e49520a

  • SHA256

    8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc

  • SHA512

    b45408a0b02510f19442e938197870648e72ae373b2054c626e5a2a3257c24f736b4b8e90466b411e5f0d5ce4e49c3b36b6ba65f4ba217de4f1af5c39222b2cd

Malware Config

Extracted

Family

azorult

C2

http://cupazo.co.in/TyBmo/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.

  • 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\8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe
    "C:\Users\Admin\AppData\Local\Temp\8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1816

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\8093A008\mozglue.dll
    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • \Users\Admin\AppData\Local\Temp\8093A008\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \Users\Admin\AppData\Local\Temp\8093A008\nss3.dll
    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • \Users\Admin\AppData\Local\Temp\8093A008\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\nsa15B1.tmp\ge3yctd6.dll
    MD5

    f1cedde91ebe056abd69f67183c804d8

    SHA1

    f6e712668a232edcc23bd51ca19ea182a9bcefe4

    SHA256

    23aa7b116a2bc8aec8537a35348f049bea4d75ca4aaa8b2f1cbba0774b8f7a7b

    SHA512

    c2fa199294dc5193f5bdfb048e494057f13b3211e79b0542bf5e41a707cf2c1486a432bec755c6818016c5153bbec657c1e5e926be0ef829d7322b23dcafc66f

  • memory/1816-117-0x000000000041A684-mapping.dmp
  • memory/1816-118-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/3196-116-0x0000000002D81000-0x0000000002D83000-memory.dmp
    Filesize

    8KB

  • memory/3196-115-0x0000000002D80000-0x0000000002D81000-memory.dmp
    Filesize

    4KB