Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15/04/2022, 07:15

General

  • Target
    c7a310982da68b10360854f9cd78e718.exe
  • Size 100KB
  • Sample220415-h29s8abbgr
  • SHA256 df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • arkei

Botnet
  • Default

Extracted

Family
  • azorult

C2
  • http://195.245.112.115/index.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Azorult

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

  • suricata: ET MALWARE Base64 Encoded Stealer Config from Server - %APPDATA% M4

    suricata: ET MALWARE Base64 Encoded Stealer Config from Server - %APPDATA% M4

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M6

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M6

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Loads dropped DLL 26 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 3 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 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7a310982da68b10360854f9cd78e718.exe
    "C:\Users\Admin\AppData\Local\Temp\c7a310982da68b10360854f9cd78e718.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Users\Admin\AppData\Roaming\azne.exe
        "C:\Users\Admin\AppData\Roaming\azne.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Users\Admin\AppData\Roaming\azne.exe
          C:\Users\Admin\AppData\Roaming\azne.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:964
      • C:\Users\Admin\AppData\Roaming\pm.exe
        "C:\Users\Admin\AppData\Roaming\pm.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1548
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACcAQwA6AFwAJwAsACcAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAFIAbwBhAG0AaQBuAGcAXABYAGUAZwBuAHIAZgBiAGwAXABIAGoAYgBqAG0ALgBlAHgAZQAnAA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1544
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1252
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1336
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          4⤵
          • Delays execution with timeout.exe
          PID:1340

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        azne.exe

        • Path C:\Users\Admin\AppData\Roaming\azne.exe
        • Size 100KB
        • SHA256 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29
        • MD5 SHA1 SHA512 SSDEEP

        azne.exe

        • Path C:\Users\Admin\AppData\Roaming\azne.exe
        • Size 100KB
        • SHA256 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29
        • MD5 SHA1 SHA512 SSDEEP

        azne.exe

        • Path C:\Users\Admin\AppData\Roaming\azne.exe
        • Size 100KB
        • SHA256 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29
        • MD5 SHA1 SHA512 SSDEEP

        pm.exe

        • Path C:\Users\Admin\AppData\Roaming\pm.exe
        • Size 1.9MB
        • SHA256 dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33
        • MD5 SHA1 SHA512 SSDEEP

        pm.exe

        • Path C:\Users\Admin\AppData\Roaming\pm.exe
        • Size 1.9MB
        • SHA256 dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33
        • MD5 SHA1 SHA512 SSDEEP

        mozglue.dll

        • Path \ProgramData\mozglue.dll
        • Size 133KB
        • SHA256 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path \ProgramData\nss3.dll
        • Size 1.2MB
        • SHA256 e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-convert-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-convert-l1-1-0.dll
        • Size 21KB
        • SHA256 3cc1377d495260c380e8d225e5ee889cbb2ed22e79862d4278cfa898e58e44d1
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-environment-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-environment-l1-1-0.dll
        • Size 18KB
        • SHA256 c0d75d1887c32a1b1006b3cffc29df84a0d73c435cdcb404b6964be176a61382
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-filesystem-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-filesystem-l1-1-0.dll
        • Size 19KB
        • SHA256 7633774effe7c0add6752ffe90104d633fc8262c87871d096c2fc07c20018ed2
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-heap-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-heap-l1-1-0.dll
        • Size 18KB
        • SHA256 f5cf623ba14b017af4aec6c15eee446c647ab6d2a5dee9d6975adc69994a113d
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-locale-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-locale-l1-1-0.dll
        • Size 18KB
        • SHA256 565a2eec5449eeeed68b430f2e9b92507f979174f9c9a71d0c36d58b96051c33
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-math-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-math-l1-1-0.dll
        • Size 28KB
        • SHA256 bece7bab83a5d0ec5c35f0841cbbf413e01ac878550fbdb34816ed55185dcfed
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-multibyte-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-multibyte-l1-1-0.dll
        • Size 25KB
        • SHA256 66abf3a1147751c95689f5bc6a259e55281ec3d06d3332dd0ba464effa716735
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-runtime-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-runtime-l1-1-0.dll
        • Size 22KB
        • SHA256 c9bbc07a033bab6a828ecc30648b501121586f6f53346b1cd0649d7b648ea60b
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-stdio-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-stdio-l1-1-0.dll
        • Size 23KB
        • SHA256 b1e702b840aebe2e9244cd41512d158a43e6e9516cd2015a84eb962fa3ff0df7
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-string-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-string-l1-1-0.dll
        • Size 22KB
        • SHA256 73cc56f20268bfb329ccd891822e2e70dd70fe21fc7101deb3fa30c34a08450c
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-time-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-time-l1-1-0.dll
        • Size 20KB
        • SHA256 69885fd581641b4a680846f93c2dd21e5dd8e3ba37409783bc5b3160a919cb5d
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-utility-l1-1-0.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\api-ms-win-crt-utility-l1-1-0.dll
        • Size 18KB
        • SHA256 a1d1d6b0cb0a8421d7c0d1297c4c389c95514493cd0a386b49dc517ac1b9a2b0
        • MD5 SHA1 SHA512 SSDEEP

        mozglue.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\mozglue.dll
        • Size 135KB
        • SHA256 830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
        • MD5 SHA1 SHA512 SSDEEP

        msvcp140.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\msvcp140.dll
        • Size 429KB
        • SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
        • MD5 SHA1 SHA512 SSDEEP

        nss3.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\nss3.dll
        • Size 1.2MB
        • SHA256 f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
        • MD5 SHA1 SHA512 SSDEEP

        vcruntime140.dll

        • Path \Users\Admin\AppData\Local\Temp\E7FB6EA4\vcruntime140.dll
        • Size 81KB
        • SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
        • MD5 SHA1 SHA512 SSDEEP

        azne.exe

        • Path \Users\Admin\AppData\Roaming\azne.exe
        • Size 100KB
        • SHA256 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29
        • MD5 SHA1 SHA512 SSDEEP

        azne.exe

        • Path \Users\Admin\AppData\Roaming\azne.exe
        • Size 100KB
        • SHA256 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29
        • MD5 SHA1 SHA512 SSDEEP

        azne.exe

        • Path \Users\Admin\AppData\Roaming\azne.exe
        • Size 100KB
        • SHA256 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29
        • MD5 SHA1 SHA512 SSDEEP

        azne.exe

        • Path \Users\Admin\AppData\Roaming\azne.exe
        • Size 100KB
        • SHA256 26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29
        • MD5 SHA1 SHA512 SSDEEP

        pm.exe

        • Path \Users\Admin\AppData\Roaming\pm.exe
        • Size 1.9MB
        • SHA256 dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33
        • MD5 SHA1 SHA512 SSDEEP

        pm.exe

        • Path \Users\Admin\AppData\Roaming\pm.exe
        • Size 1.9MB
        • SHA256 dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33
        • MD5 SHA1 SHA512 SSDEEP

        pm.exe

        • Path \Users\Admin\AppData\Roaming\pm.exe
        • Size 1.9MB
        • SHA256 dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33
        • MD5 SHA1 SHA512 SSDEEP

        pm.exe

        • Path \Users\Admin\AppData\Roaming\pm.exe
        • Size 1.9MB
        • SHA256 dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33
        • MD5 SHA1 SHA512 SSDEEP

        memory/964-142-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/964-137-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/964-138-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/964-140-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/964-151-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/964-141-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/964-148-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/964-144-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1252-150-0x00000000024E0000-0x000000000252C000-memory.dmp

        memory/1252-132-0x000000001B910000-0x000000001B9B6000-memory.dmp

        memory/1252-168-0x000000001BA96000-0x000000001BAB5000-memory.dmp

        memory/1252-133-0x000000001BA90000-0x000000001BA92000-memory.dmp

        memory/1252-134-0x0000000000870000-0x00000000008BE000-memory.dmp

        memory/1252-123-0x0000000140000000-0x000000014007A000-memory.dmp

        memory/1252-124-0x0000000140000000-0x000000014007A000-memory.dmp

        memory/1252-126-0x0000000140000000-0x000000014007A000-memory.dmp

        memory/1252-128-0x0000000140000000-0x000000014007A000-memory.dmp

        memory/1544-121-0x00000000029AB000-0x00000000029CA000-memory.dmp

        memory/1544-116-0x000007FEEB480000-0x000007FEEBFDD000-memory.dmp

        memory/1544-114-0x000007FEFBE51000-0x000007FEFBE53000-memory.dmp

        memory/1544-117-0x00000000029A0000-0x00000000029A2000-memory.dmp

        memory/1544-120-0x000000001B6E0000-0x000000001B9DF000-memory.dmp

        memory/1544-119-0x00000000029A4000-0x00000000029A7000-memory.dmp

        memory/1544-118-0x00000000029A2000-0x00000000029A4000-memory.dmp

        memory/1548-122-0x000000001AED0000-0x000000001AF6E000-memory.dmp

        memory/1548-115-0x000000001B406000-0x000000001B425000-memory.dmp

        memory/1548-111-0x000000001B400000-0x000000001B402000-memory.dmp

        memory/1548-108-0x00000000009C0000-0x0000000000BA6000-memory.dmp

        memory/1548-112-0x000000001BBE0000-0x000000001BDAE000-memory.dmp

        memory/1708-55-0x0000000008690000-0x00000000087F4000-memory.dmp

        memory/1708-54-0x0000000001030000-0x000000000104E000-memory.dmp

        memory/1708-56-0x0000000004D90000-0x0000000004DD8000-memory.dmp

        memory/1996-63-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/1996-65-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/1996-71-0x00000000758D1000-0x00000000758D3000-memory.dmp

        memory/1996-70-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/1996-69-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/1996-66-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/1996-72-0x0000000060900000-0x0000000060992000-memory.dmp

        memory/1996-57-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/1996-62-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/1996-60-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/1996-58-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/2036-100-0x0000000000DA0000-0x0000000000DBE000-memory.dmp

        memory/2036-136-0x0000000004D70000-0x0000000004DA8000-memory.dmp

        memory/2036-135-0x00000000069A0000-0x0000000006B3E000-memory.dmp