Overview

overview

10

Static

static

URLScan

urlscan

1

http://62.204.41.121...

windows7-x64

10

http://62.204.41.121...

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/01/2023, 09:38

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General

  • Target
    http://62.204.41.121/lend/buildppb.exe
  • Sample230118-ll9easeb79
Score
10/10
auroraspywarestealer

Malware Config

Extracted

Family

  • aurora

C2

  • 85.209.135.29:8081

Signatures

  • Aurora

    Aurora is a crypto wallet stealer written in Golang.

    stealeraurora
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://62.204.41.121/lend/buildppb.exe
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3836
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3836 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2456
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G3YCTSQY\buildppb.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G3YCTSQY\buildppb.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:404
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1788
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C "wmic path win32_VideoController get name"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:32
        • C:\Windows\SysWOW64\Wbem\WMIC.exe
          wmic path win32_VideoController get name
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3236
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C "wmic cpu get name"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2180
        • C:\Windows\SysWOW64\Wbem\WMIC.exe
          wmic cpu get name
          4⤵
            PID:2120
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\system32\resmon.exe
        "C:\Windows\system32\resmon.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3624
        • C:\Windows\System32\perfmon.exe
          "C:\Windows\System32\perfmon.exe" /res
          3⤵
          • Checks processor information in registry
          • Suspicious behavior: GetForegroundWindowSpam
          PID:2800

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          buildppb.exe
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G3YCTSQY\buildppb.exe
          • Size 5.3MB
          • SHA256 912f7d82ed878471ace2ca79a7e17ecad0b2bdf430570e646efaa940b01fc579
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          buildppb.exe.xx0gl3l.partial
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G3YCTSQY\buildppb.exe.xx0gl3l.partial
          • Size 5.3MB
          • SHA256 912f7d82ed878471ace2ca79a7e17ecad0b2bdf430570e646efaa940b01fc579
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download