Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/08/2023, 15:08

General

  • Target

    QUOTATION#6789034AUG23-INQUIRY_THANH PHUONG_INDUSTRIAL_TRADING_COMPANYs.exe

  • Size

    533KB

  • MD5

    09816ab9ac411e6d4932b1edf9c14f78

  • SHA1

    bb17be2b8445741cc59f1dc1cf15c59af9a658d3

  • SHA256

    e606474bf045b4c8133f5eb2d4b7eb15fa142a9b40fdf76a4dd72b68fa45e386

  • SHA512

    b60726a9b3b999967ed3cb9a03faca3a62776ac358f25b906fa71c7507e69d478936fe0c5c7313978feb01733d2486d072d2aa8acf0071ea1c84cee768f3d58a

  • SSDEEP

    6144:6mOPluIv5WdShVkjR9rN/8IS+PAcxsZX777jKsU4k7vzvDlMh/BlU+qqlWog/:ChBvkzNkIdPAisZvvzTkn5Mh7woQ

Score
10/10

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION#6789034AUG23-INQUIRY_THANH PHUONG_INDUSTRIAL_TRADING_COMPANYs.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION#6789034AUG23-INQUIRY_THANH PHUONG_INDUSTRIAL_TRADING_COMPANYs.exe"
    1⤵
    • Loads dropped DLL
    PID:3892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1076
      2⤵
      • Program crash
      PID:2656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 1096
      2⤵
      • Program crash
      PID:760
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3892 -ip 3892
    1⤵
      PID:4848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3892 -ip 3892
      1⤵
        PID:2936

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\nsr8BB6.tmp\System.dll

              Filesize

              11KB

              MD5

              9625d5b1754bc4ff29281d415d27a0fd

              SHA1

              80e85afc5cccd4c0a3775edbb90595a1a59f5ce0

              SHA256

              c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448

              SHA512

              dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b

            • C:\Users\Admin\AppData\Local\Temp\nsr8BB6.tmp\System.dll

              Filesize

              11KB

              MD5

              9625d5b1754bc4ff29281d415d27a0fd

              SHA1

              80e85afc5cccd4c0a3775edbb90595a1a59f5ce0

              SHA256

              c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448

              SHA512

              dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b

            • C:\Users\Admin\AppData\Local\Temp\nsr8BB6.tmp\System.dll

              Filesize

              11KB

              MD5

              9625d5b1754bc4ff29281d415d27a0fd

              SHA1

              80e85afc5cccd4c0a3775edbb90595a1a59f5ce0

              SHA256

              c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448

              SHA512

              dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b

            • memory/3892-145-0x0000000003AD0000-0x0000000006769000-memory.dmp

              Filesize

              44.6MB

            • memory/3892-146-0x0000000003AD0000-0x0000000006769000-memory.dmp

              Filesize

              44.6MB