Analysis

  • max time kernel
    93s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/04/2023, 04:37

General

  • Target
    84572342b63722bec9aa780e7290dd05.exe
  • Size 7.0MB
  • Sample230413-e8sxhahd39
  • SHA256 71b1e17a2aa5eb3f0c6b51671ad2a1bc705042152c4ab74db3e15d4e5a68d0d8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • azorult

C2
  • http://195.245.112.115/index.php

Signatures

  • Azorult

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84572342b63722bec9aa780e7290dd05.exe
    "C:\Users\Admin\AppData\Local\Temp\84572342b63722bec9aa780e7290dd05.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Users\Admin\AppData\Local\Temp\84572342b63722bec9aa780e7290dd05.exe
      C:\Users\Admin\AppData\Local\Temp\84572342b63722bec9aa780e7290dd05.exe
      2⤵
        PID:3684
      • C:\Users\Admin\AppData\Local\Temp\84572342b63722bec9aa780e7290dd05.exe
        C:\Users\Admin\AppData\Local\Temp\84572342b63722bec9aa780e7290dd05.exe
        2⤵
          PID:1572
        • C:\Users\Admin\AppData\Local\Temp\84572342b63722bec9aa780e7290dd05.exe
          C:\Users\Admin\AppData\Local\Temp\84572342b63722bec9aa780e7290dd05.exe
          2⤵
          • Checks computer location settings
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2352
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "84572342b63722bec9aa780e7290dd05.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4332
            • C:\Windows\SysWOW64\timeout.exe
              C:\Windows\system32\timeout.exe 3
              4⤵
              • Delays execution with timeout.exe
              PID:2348

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            mozglue.dll

            • Path C:\Users\Admin\AppData\Local\Temp\7E9BD929\mozglue.dll
            • Size 135KB
            • SHA256 830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
            • MD5 SHA1 SHA512 SSDEEP

            msvcp140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\7E9BD929\msvcp140.dll
            • Size 429KB
            • SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
            • MD5 SHA1 SHA512 SSDEEP

            nss3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\7E9BD929\nss3.dll
            • Size 1.2MB
            • SHA256 f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
            • MD5 SHA1 SHA512 SSDEEP

            vcruntime140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\7E9BD929\vcruntime140.dll
            • Size 81KB
            • SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
            • MD5 SHA1 SHA512 SSDEEP

            memory/2352-135-0x0000000000400000-0x0000000000420000-memory.dmp

            memory/2352-138-0x0000000000400000-0x0000000000420000-memory.dmp

            memory/2352-139-0x0000000000400000-0x0000000000420000-memory.dmp

            memory/2352-244-0x0000000000400000-0x0000000000420000-memory.dmp

            memory/4924-133-0x00000000002C0000-0x00000000009CC000-memory.dmp

            memory/4924-134-0x0000000005810000-0x0000000005832000-memory.dmp