Analysis

  • max time kernel
    171s
  • max time network
    186s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 21:27

General

  • Target

    asdf.exe

  • Size

    100KB

  • MD5

    c7a310982da68b10360854f9cd78e718

  • SHA1

    60140c28e0b7db797a771c2dee081fa3812246db

  • SHA256

    df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731

  • SHA512

    6747fa3f7637922eeaa0feeb25d430dc6ab66fd9f3d22e7e5fd16bad9b75528a8174c34a8baf681950b64e8cdaa6a14e37633592e843c363e75468622ebd2ec3

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 or USERPROFILE Environment Variable M4

    suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable 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 M5

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M5

  • suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

    suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Loads dropped DLL 10 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\asdf.exe
    "C:\Users\Admin\AppData\Local\Temp\asdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
        PID:1040
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        2⤵
          PID:1832
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          2⤵
            PID:528
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            2⤵
              PID:1712
            • 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:472
              • 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:1656
                • C:\Users\Admin\AppData\Roaming\azne.exe
                  C:\Users\Admin\AppData\Roaming\azne.exe
                  4⤵
                  • Executes dropped EXE
                  PID:1572
                • C:\Users\Admin\AppData\Roaming\azne.exe
                  C:\Users\Admin\AppData\Roaming\azne.exe
                  4⤵
                  • Executes dropped EXE
                  PID:1892
                • C:\Users\Admin\AppData\Roaming\azne.exe
                  C:\Users\Admin\AppData\Roaming\azne.exe
                  4⤵
                  • Executes dropped EXE
                  PID:1632
              • 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:1060
                • 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:332
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
                  4⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1776
              • 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:1620
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 5
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1372

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Roaming\azne.exe

            Filesize

            100KB

            MD5

            683600b61a32d3eb2cd44cb34fdf7ab3

            SHA1

            e8bdd864c2610495850bf525cd1529c66c0b0b53

            SHA256

            26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29

            SHA512

            5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389

          • C:\Users\Admin\AppData\Roaming\azne.exe

            Filesize

            100KB

            MD5

            683600b61a32d3eb2cd44cb34fdf7ab3

            SHA1

            e8bdd864c2610495850bf525cd1529c66c0b0b53

            SHA256

            26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29

            SHA512

            5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389

          • C:\Users\Admin\AppData\Roaming\azne.exe

            Filesize

            100KB

            MD5

            683600b61a32d3eb2cd44cb34fdf7ab3

            SHA1

            e8bdd864c2610495850bf525cd1529c66c0b0b53

            SHA256

            26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29

            SHA512

            5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389

          • C:\Users\Admin\AppData\Roaming\azne.exe

            Filesize

            100KB

            MD5

            683600b61a32d3eb2cd44cb34fdf7ab3

            SHA1

            e8bdd864c2610495850bf525cd1529c66c0b0b53

            SHA256

            26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29

            SHA512

            5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389

          • C:\Users\Admin\AppData\Roaming\azne.exe

            Filesize

            100KB

            MD5

            683600b61a32d3eb2cd44cb34fdf7ab3

            SHA1

            e8bdd864c2610495850bf525cd1529c66c0b0b53

            SHA256

            26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29

            SHA512

            5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389

          • C:\Users\Admin\AppData\Roaming\pm.exe

            Filesize

            1.9MB

            MD5

            22e6d862d6f51b6283b60badf02b6f81

            SHA1

            11920f1bf418f67cdbef320aa1afee596ef27537

            SHA256

            dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33

            SHA512

            ed639b7111810e76d5f0b737165e57a306e948ad05ade8687af9575f38968d238f0e2056ead7d7f2ab545ace3ca58b13baf0c5dcb8a2ed9428b3e06b6a42016a

          • C:\Users\Admin\AppData\Roaming\pm.exe

            Filesize

            1.9MB

            MD5

            22e6d862d6f51b6283b60badf02b6f81

            SHA1

            11920f1bf418f67cdbef320aa1afee596ef27537

            SHA256

            dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33

            SHA512

            ed639b7111810e76d5f0b737165e57a306e948ad05ade8687af9575f38968d238f0e2056ead7d7f2ab545ace3ca58b13baf0c5dcb8a2ed9428b3e06b6a42016a

          • \ProgramData\mozglue.dll

            Filesize

            133KB

            MD5

            8f73c08a9660691143661bf7332c3c27

            SHA1

            37fa65dd737c50fda710fdbde89e51374d0c204a

            SHA256

            3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

            SHA512

            0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

          • \ProgramData\nss3.dll

            Filesize

            1.2MB

            MD5

            bfac4e3c5908856ba17d41edcd455a51

            SHA1

            8eec7e888767aa9e4cca8ff246eb2aacb9170428

            SHA256

            e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

            SHA512

            2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

          • \Users\Admin\AppData\Roaming\azne.exe

            Filesize

            100KB

            MD5

            683600b61a32d3eb2cd44cb34fdf7ab3

            SHA1

            e8bdd864c2610495850bf525cd1529c66c0b0b53

            SHA256

            26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29

            SHA512

            5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389

          • \Users\Admin\AppData\Roaming\azne.exe

            Filesize

            100KB

            MD5

            683600b61a32d3eb2cd44cb34fdf7ab3

            SHA1

            e8bdd864c2610495850bf525cd1529c66c0b0b53

            SHA256

            26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29

            SHA512

            5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389

          • \Users\Admin\AppData\Roaming\azne.exe

            Filesize

            100KB

            MD5

            683600b61a32d3eb2cd44cb34fdf7ab3

            SHA1

            e8bdd864c2610495850bf525cd1529c66c0b0b53

            SHA256

            26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29

            SHA512

            5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389

          • \Users\Admin\AppData\Roaming\azne.exe

            Filesize

            100KB

            MD5

            683600b61a32d3eb2cd44cb34fdf7ab3

            SHA1

            e8bdd864c2610495850bf525cd1529c66c0b0b53

            SHA256

            26f35270f714065705474f3a330a9b7676c2d7e30b9cb9de57d726930768fe29

            SHA512

            5e85802a49875fadfff9bd2d1e4f04bb3e391709813757e14364b99f674e3e7fea757f861c2d811e9882035737d122ebfd4aa17039fdc08dc16f73028159e389

          • \Users\Admin\AppData\Roaming\pm.exe

            Filesize

            1.9MB

            MD5

            22e6d862d6f51b6283b60badf02b6f81

            SHA1

            11920f1bf418f67cdbef320aa1afee596ef27537

            SHA256

            dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33

            SHA512

            ed639b7111810e76d5f0b737165e57a306e948ad05ade8687af9575f38968d238f0e2056ead7d7f2ab545ace3ca58b13baf0c5dcb8a2ed9428b3e06b6a42016a

          • \Users\Admin\AppData\Roaming\pm.exe

            Filesize

            1.9MB

            MD5

            22e6d862d6f51b6283b60badf02b6f81

            SHA1

            11920f1bf418f67cdbef320aa1afee596ef27537

            SHA256

            dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33

            SHA512

            ed639b7111810e76d5f0b737165e57a306e948ad05ade8687af9575f38968d238f0e2056ead7d7f2ab545ace3ca58b13baf0c5dcb8a2ed9428b3e06b6a42016a

          • \Users\Admin\AppData\Roaming\pm.exe

            Filesize

            1.9MB

            MD5

            22e6d862d6f51b6283b60badf02b6f81

            SHA1

            11920f1bf418f67cdbef320aa1afee596ef27537

            SHA256

            dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33

            SHA512

            ed639b7111810e76d5f0b737165e57a306e948ad05ade8687af9575f38968d238f0e2056ead7d7f2ab545ace3ca58b13baf0c5dcb8a2ed9428b3e06b6a42016a

          • \Users\Admin\AppData\Roaming\pm.exe

            Filesize

            1.9MB

            MD5

            22e6d862d6f51b6283b60badf02b6f81

            SHA1

            11920f1bf418f67cdbef320aa1afee596ef27537

            SHA256

            dac5f2e7bcabc924576254aed4a53b112bb19ca9869dfbc7b427765746374d33

            SHA512

            ed639b7111810e76d5f0b737165e57a306e948ad05ade8687af9575f38968d238f0e2056ead7d7f2ab545ace3ca58b13baf0c5dcb8a2ed9428b3e06b6a42016a

          • memory/332-120-0x000000001B7C0000-0x000000001BABF000-memory.dmp

            Filesize

            3.0MB

          • memory/332-117-0x000007FEEBBB0000-0x000007FEEC70D000-memory.dmp

            Filesize

            11.4MB

          • memory/332-119-0x0000000002414000-0x0000000002417000-memory.dmp

            Filesize

            12KB

          • memory/332-121-0x000000000241B000-0x000000000243A000-memory.dmp

            Filesize

            124KB

          • memory/472-67-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/472-73-0x0000000060900000-0x0000000060992000-memory.dmp

            Filesize

            584KB

          • memory/472-66-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/472-64-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/472-63-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/472-61-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/472-59-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/472-70-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/472-58-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/472-71-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1060-110-0x0000000000D80000-0x0000000000F66000-memory.dmp

            Filesize

            1.9MB

          • memory/1060-113-0x000000001B910000-0x000000001BADE000-memory.dmp

            Filesize

            1.8MB

          • memory/1060-111-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

            Filesize

            8KB

          • memory/1060-122-0x000000001B0C0000-0x000000001B15E000-memory.dmp

            Filesize

            632KB

          • memory/1060-118-0x000000001B1A6000-0x000000001B1C5000-memory.dmp

            Filesize

            124KB

          • memory/1632-150-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1632-149-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1632-138-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1632-145-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1632-143-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1632-142-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1632-141-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1632-139-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1656-134-0x0000000006920000-0x0000000006ABE000-memory.dmp

            Filesize

            1.6MB

          • memory/1656-135-0x0000000004D70000-0x0000000004DA8000-memory.dmp

            Filesize

            224KB

          • memory/1656-101-0x0000000000E30000-0x0000000000E4E000-memory.dmp

            Filesize

            120KB

          • memory/1776-133-0x0000000000610000-0x000000000065E000-memory.dmp

            Filesize

            312KB

          • memory/1776-56-0x00000000084F0000-0x0000000008654000-memory.dmp

            Filesize

            1.4MB

          • memory/1776-132-0x0000000002430000-0x00000000024D6000-memory.dmp

            Filesize

            664KB

          • memory/1776-128-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/1776-126-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/1776-124-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/1776-123-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/1776-55-0x00000000761F1000-0x00000000761F3000-memory.dmp

            Filesize

            8KB

          • memory/1776-57-0x0000000004F90000-0x0000000004FD8000-memory.dmp

            Filesize

            288KB

          • memory/1776-54-0x00000000013D0000-0x00000000013EE000-memory.dmp

            Filesize

            120KB

          • memory/1776-152-0x0000000002660000-0x00000000026AC000-memory.dmp

            Filesize

            304KB

          • memory/1776-153-0x000000001BC56000-0x000000001BC75000-memory.dmp

            Filesize

            124KB