Analysis

  • max time kernel
    147s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19/04/2022, 04:49

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 Environment Variable M4

    suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA 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 M6

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

  • Downloads MZ/PE file
  • Executes dropped EXE 2 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 47 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:904
    • 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:104
      • 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:1596
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
            PID:1080
        • 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:1092
          • 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:1584
          • 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:1960
        • 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:1528
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            4⤵
            • Delays execution with timeout.exe
            PID:1484

    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\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/104-69-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/104-57-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/104-63-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/104-71-0x00000000751C1000-0x00000000751C3000-memory.dmp

            Filesize

            8KB

          • memory/104-70-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/104-62-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/104-58-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/104-60-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/104-65-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/104-66-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/904-55-0x0000000008830000-0x0000000008994000-memory.dmp

            Filesize

            1.4MB

          • memory/904-56-0x0000000001350000-0x0000000001398000-memory.dmp

            Filesize

            288KB

          • memory/904-54-0x00000000013A0000-0x00000000013BE000-memory.dmp

            Filesize

            120KB

          • memory/1080-88-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1080-89-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1080-91-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1080-87-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1080-94-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1080-95-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1080-85-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1080-84-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1092-118-0x000000001B1F0000-0x000000001B28E000-memory.dmp

            Filesize

            632KB

          • memory/1092-107-0x000000001B2D6000-0x000000001B2F5000-memory.dmp

            Filesize

            124KB

          • memory/1092-104-0x0000000001140000-0x0000000001326000-memory.dmp

            Filesize

            1.9MB

          • memory/1092-105-0x000000001B2D0000-0x000000001B2D2000-memory.dmp

            Filesize

            8KB

          • memory/1092-106-0x000000001B900000-0x000000001BACE000-memory.dmp

            Filesize

            1.8MB

          • memory/1584-109-0x000007FEFB871000-0x000007FEFB873000-memory.dmp

            Filesize

            8KB

          • memory/1584-115-0x00000000020D4000-0x00000000020D7000-memory.dmp

            Filesize

            12KB

          • memory/1584-117-0x00000000020DB000-0x00000000020FA000-memory.dmp

            Filesize

            124KB

          • memory/1584-116-0x000000001B760000-0x000000001BA5F000-memory.dmp

            Filesize

            3.0MB

          • memory/1584-110-0x000007FEEB750000-0x000007FEEC2AD000-memory.dmp

            Filesize

            11.4MB

          • memory/1584-113-0x00000000020D0000-0x00000000020D2000-memory.dmp

            Filesize

            8KB

          • memory/1584-114-0x00000000020D2000-0x00000000020D4000-memory.dmp

            Filesize

            8KB

          • memory/1596-83-0x0000000000EF0000-0x0000000000F28000-memory.dmp

            Filesize

            224KB

          • memory/1596-82-0x0000000006A10000-0x0000000006BAE000-memory.dmp

            Filesize

            1.6MB

          • memory/1596-81-0x0000000000F30000-0x0000000000F4E000-memory.dmp

            Filesize

            120KB

          • memory/1960-124-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/1960-120-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/1960-122-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/1960-119-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/1960-128-0x000000001B400000-0x000000001B4A6000-memory.dmp

            Filesize

            664KB

          • memory/1960-129-0x00000000007A0000-0x00000000007EE000-memory.dmp

            Filesize

            312KB

          • memory/1960-130-0x000000001BA10000-0x000000001BA12000-memory.dmp

            Filesize

            8KB

          • memory/1960-131-0x0000000000A80000-0x0000000000ACC000-memory.dmp

            Filesize

            304KB

          • memory/1960-132-0x000000001BA16000-0x000000001BA35000-memory.dmp

            Filesize

            124KB