Analysis

  • max time kernel
    138s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19-05-2022 02:29

General

  • Target

    zxcv.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 3 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\zxcv.exe
    "C:\Users\Admin\AppData\Local\Temp\zxcv.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
        PID:1020
      • 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:1168
        • 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:1496
          • C:\Users\Admin\AppData\Roaming\azne.exe
            C:\Users\Admin\AppData\Roaming\azne.exe
            4⤵
            • Executes dropped EXE
            PID:1896
        • 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:2040
          • 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:2024
          • 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:1420
        • 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:1812
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            4⤵
            • Delays execution with timeout.exe
            PID:1200

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    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\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/1168-66-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1168-63-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1168-71-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1168-70-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1168-67-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1168-58-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1168-73-0x0000000060900000-0x0000000060992000-memory.dmp

      Filesize

      584KB

    • memory/1168-64-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1168-59-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1168-61-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1360-54-0x0000000000D40000-0x0000000000D5E000-memory.dmp

      Filesize

      120KB

    • memory/1360-57-0x0000000005DA0000-0x0000000005DE8000-memory.dmp

      Filesize

      288KB

    • memory/1360-56-0x0000000008BF0000-0x0000000008D54000-memory.dmp

      Filesize

      1.4MB

    • memory/1360-55-0x0000000076011000-0x0000000076013000-memory.dmp

      Filesize

      8KB

    • memory/1420-131-0x0000000002410000-0x00000000024B6000-memory.dmp

      Filesize

      664KB

    • memory/1420-127-0x0000000140000000-0x000000014007A000-memory.dmp

      Filesize

      488KB

    • memory/1420-123-0x0000000140000000-0x000000014007A000-memory.dmp

      Filesize

      488KB

    • memory/1420-150-0x000000001BE96000-0x000000001BEB5000-memory.dmp

      Filesize

      124KB

    • memory/1420-122-0x0000000140000000-0x000000014007A000-memory.dmp

      Filesize

      488KB

    • memory/1420-125-0x0000000140000000-0x000000014007A000-memory.dmp

      Filesize

      488KB

    • memory/1420-133-0x000000001ADA0000-0x000000001ADEC000-memory.dmp

      Filesize

      304KB

    • memory/1420-132-0x000000001AD50000-0x000000001AD9E000-memory.dmp

      Filesize

      312KB

    • memory/1496-101-0x0000000000830000-0x000000000084E000-memory.dmp

      Filesize

      120KB

    • memory/1496-134-0x0000000006870000-0x0000000006A0E000-memory.dmp

      Filesize

      1.6MB

    • memory/1496-135-0x0000000004740000-0x0000000004778000-memory.dmp

      Filesize

      224KB

    • memory/1896-143-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/1896-147-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/1896-149-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/1896-137-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/1896-140-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/1896-139-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/1896-141-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/1896-136-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/2024-119-0x0000000002564000-0x0000000002567000-memory.dmp

      Filesize

      12KB

    • memory/2024-117-0x000007FEEB590000-0x000007FEEC0ED000-memory.dmp

      Filesize

      11.4MB

    • memory/2024-120-0x000000000256B000-0x000000000258A000-memory.dmp

      Filesize

      124KB

    • memory/2040-114-0x000000001B940000-0x000000001BB0E000-memory.dmp

      Filesize

      1.8MB

    • memory/2040-110-0x0000000000970000-0x0000000000B56000-memory.dmp

      Filesize

      1.9MB

    • memory/2040-118-0x000000001B4D6000-0x000000001B4F5000-memory.dmp

      Filesize

      124KB

    • memory/2040-121-0x000000001A870000-0x000000001A90E000-memory.dmp

      Filesize

      632KB

    • memory/2040-113-0x000007FEFC461000-0x000007FEFC463000-memory.dmp

      Filesize

      8KB