Analysis

  • max time kernel
    13s
  • max time network
    117s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-04-2021 07:04

General

  • Target

    Payment Advice.exe

  • Size

    311KB

  • MD5

    050fe32dbac2a40f18acdc43a8f6a31a

  • SHA1

    25fcbceb5ada19e7637544ec5b6e2cd943bf169e

  • SHA256

    eb7c92906b19491e5e670801cbcf189cf105f8e46a0e20c2bc8c7ab14cc1b9c7

  • SHA512

    e97d1640a2ae33b585eae3079e95ea9c09cee2a57a338433a811986cbbe88cf2c14e04b9e4fff40ad98e7442b1dec9b940e590ca333cc3ed49a0a58cce0ae9a4

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 6 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 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
      2⤵
        PID:3076
      • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3284
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
          3⤵
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:4252

    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

    • C:\Users\Admin\AppData\Local\Temp\2dohv3f6imt9e9aa
      MD5

      fef3571bfb2ed76259994702f7b2ed1b

      SHA1

      ab4be182bc0f7622f07e90aa01ed564f1a22d3b8

      SHA256

      6c59f16ca783257fcaafb669a03033a41fbfc151bdf17b3c79169b2e3a5717a7

      SHA512

      9626af98062331a3d22005d1a9254dfa8a14f4ac08a7d723c0e7157b3855ce840660f95d7ee098d0e4e7a3757780ccb15d011b2417c32988c4893f529f8155e3

    • C:\Users\Admin\AppData\Local\Temp\49kiyzglz0
      MD5

      058cba7b41eaea13c042aeeb74a225d6

      SHA1

      1afcac4d57c5e0cbd947f8402f1dc53cfff4f813

      SHA256

      c150b1fafc1da444a53a3b94e61e4fdbd7196481797037aa773f693bceaf6298

      SHA512

      aee453856a8dbd29ed0213153db86a2496104c2753f375919f749915138d3b1471f47cd6682a6026299476a7ce338f8fa323d25c238ebc706467ff53e442374d

    • \Users\Admin\AppData\Local\Temp\CE87CE80\mozglue.dll
      MD5

      9e682f1eb98a9d41468fc3e50f907635

      SHA1

      85e0ceca36f657ddf6547aa0744f0855a27527ee

      SHA256

      830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

      SHA512

      230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

    • \Users\Admin\AppData\Local\Temp\CE87CE80\msvcp140.dll
      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • \Users\Admin\AppData\Local\Temp\CE87CE80\nss3.dll
      MD5

      556ea09421a0f74d31c4c0a89a70dc23

      SHA1

      f739ba9b548ee64b13eb434a3130406d23f836e3

      SHA256

      f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

      SHA512

      2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

    • \Users\Admin\AppData\Local\Temp\CE87CE80\vcruntime140.dll
      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • \Users\Admin\AppData\Local\Temp\nsf6160.tmp\ioweb.dll
      MD5

      c431f1164020943ab9b0949347c72bc1

      SHA1

      f770ee8edeb0a213b57e97da32901f9c7618324b

      SHA256

      c166fdb1b030c4d76d838ed4bf13303012f9b102ada0d5b573572ebe428a4692

      SHA512

      86802b4efd6d08947fbb75bbf5bba7f7b97304cedd83f6b0348615102a05f44a714d57e4e9f33faf7c8a707edb738bda263e4cd48ed06a162d1bb84929298069

    • \Users\Admin\AppData\Local\Temp\nsp52CA.tmp\ioweb.dll
      MD5

      c431f1164020943ab9b0949347c72bc1

      SHA1

      f770ee8edeb0a213b57e97da32901f9c7618324b

      SHA256

      c166fdb1b030c4d76d838ed4bf13303012f9b102ada0d5b573572ebe428a4692

      SHA512

      86802b4efd6d08947fbb75bbf5bba7f7b97304cedd83f6b0348615102a05f44a714d57e4e9f33faf7c8a707edb738bda263e4cd48ed06a162d1bb84929298069

    • memory/3284-4-0x0000000000000000-mapping.dmp
    • memory/4252-8-0x000000000041A684-mapping.dmp
    • memory/4252-10-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/4720-3-0x0000000002660000-0x0000000002662000-memory.dmp
      Filesize

      8KB