Overview

overview

10

Static

static

A4C57DF59F...43.exe

windows7_x64

10

A4C57DF59F...43.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    161s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    07/06/2021, 05:42

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General

  • Target
    A4C57DF59F0C85EEBCB7B40263D8C3DE037F41B7D2D43.exe
  • Size 2.5MB
  • Sample210607-scy54el73j
  • SHA256 a4c57df59f0c85eebcb7b40263d8c3de037f41b7d2d43b6d34e7baf72a2e1448
  • MD5 SHA1 SHA512
Score
10/10
azorultdiscoveryinfostealertrojan

Malware Config

Extracted

Family

  • azorult

C2

  • http://185.212.128.68/newpan/index.php

Signatures

  • Azorult

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

    trojaninfostealerazorult
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Runs .reg file with regedit 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\A4C57DF59F0C85EEBCB7B40263D8C3DE037F41B7D2D43.exe
    "C:\Users\Admin\AppData\Local\Temp\A4C57DF59F0C85EEBCB7B40263D8C3DE037F41B7D2D43.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3952
    • C:\Users\Admin\AppData\Roaming\RamExpert\rlib.exe
      "C:\Users\Admin\AppData\Roaming\RamExpert\rlib.exe" -pXXF7SFDxwq92XSQQ -s1
      2⤵
      • Executes dropped EXE
      PID:1820
    • C:\Windows\SysWOW64\regedit.exe
      "C:\Windows\System32\regedit.exe" /s C:\Users\Admin\AppData\Roaming\RamExpert\rama.reg
      2⤵
      • Runs .reg file with regedit
      PID:4016
    • C:\Windows\SysWOW64\regedit.exe
      "C:\Windows\System32\regedit.exe" /s C:\Users\Admin\AppData\Roaming\RamExpert\ram.reg
      2⤵
      • Runs .reg file with regedit
      PID:4052
    • C:\Windows\SysWOW64\regedit.exe
      "C:\Windows\System32\regedit.exe" /s C:\Users\Admin\AppData\Roaming\RamExpert\ram3.reg
      2⤵
      • Runs .reg file with regedit
      PID:1548
    • C:\Windows\SysWOW64\regedit.exe
      "C:\Windows\System32\regedit.exe" /s C:\Users\Admin\AppData\Roaming\RamExpert\ram2.reg
      2⤵
      • Runs .reg file with regedit
      PID:184
    • C:\Users\Admin\AppData\Roaming\RamExpert\RAMExpert.exe
      "C:\Users\Admin\AppData\Roaming\RamExpert\RAMExpert.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2284
    • C:\Users\Admin\AppData\Roaming\RamExpert\livc.exe
      "C:\Users\Admin\AppData\Roaming\RamExpert\livc.exe"
      2⤵
      • Executes dropped EXE
      PID:932
    • C:\Windows\SysWOW64\regedit.exe
      "C:\Windows\System32\regedit.exe" /s C:\Users\Admin\AppData\Roaming\RamExpert\ramm.reg
      2⤵
      • Runs .reg file with regedit
      PID:1468
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3532
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:1832
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:416
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:4104
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:4508
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    PID:5112
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    PID:4240

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/932-161-0x0000000000400000-0x0000000000485000-memory.dmp
        Download

        memory/932-138-0x00000000025B0000-0x00000000025B1000-memory.dmp
        Download

        memory/932-137-0x0000000002590000-0x0000000002597000-memory.dmp
        Download

        memory/2284-135-0x0000000000730000-0x0000000000731000-memory.dmp
        Download