Analysis

  • max time kernel
    169s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19/04/2022, 04:20

General

  • Target

    ghjkl.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 M5

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

  • 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\ghjkl.exe
    "C:\Users\Admin\AppData\Local\Temp\ghjkl.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1920
    • 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:940
      • 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:1512
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
            PID:1228
        • 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:1448
          • 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:1000
          • 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:812
        • 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:1956
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            4⤵
            • Delays execution with timeout.exe
            PID:1884

    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/812-146-0x000000001B840000-0x000000001B8E6000-memory.dmp

            Filesize

            664KB

          • memory/812-137-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/812-138-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/812-140-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/812-142-0x0000000140000000-0x000000014007A000-memory.dmp

            Filesize

            488KB

          • memory/812-147-0x000000001B280000-0x000000001B2CE000-memory.dmp

            Filesize

            312KB

          • memory/812-148-0x000000001B200000-0x000000001B202000-memory.dmp

            Filesize

            8KB

          • memory/812-150-0x000000001B206000-0x000000001B225000-memory.dmp

            Filesize

            124KB

          • memory/812-149-0x000000001BBD0000-0x000000001BC1C000-memory.dmp

            Filesize

            304KB

          • memory/940-65-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/940-60-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/940-62-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/940-71-0x00000000765C1000-0x00000000765C3000-memory.dmp

            Filesize

            8KB

          • memory/940-57-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/940-72-0x0000000060900000-0x0000000060992000-memory.dmp

            Filesize

            584KB

          • memory/940-58-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/940-63-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/940-66-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/940-69-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/940-70-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1000-130-0x00000000025E0000-0x00000000025E2000-memory.dmp

            Filesize

            8KB

          • memory/1000-133-0x00000000025EB000-0x000000000260A000-memory.dmp

            Filesize

            124KB

          • memory/1000-128-0x000007FEEBBC0000-0x000007FEEC71D000-memory.dmp

            Filesize

            11.4MB

          • memory/1000-132-0x00000000025E4000-0x00000000025E7000-memory.dmp

            Filesize

            12KB

          • memory/1000-131-0x00000000025E2000-0x00000000025E4000-memory.dmp

            Filesize

            8KB

          • memory/1000-127-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

            Filesize

            8KB

          • memory/1228-111-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1228-116-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1228-125-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1228-122-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1228-114-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1228-112-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1228-115-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1228-118-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/1448-129-0x000000001B4A6000-0x000000001B4C5000-memory.dmp

            Filesize

            124KB

          • memory/1448-124-0x000000001B880000-0x000000001BA4E000-memory.dmp

            Filesize

            1.8MB

          • memory/1448-136-0x000000001B520000-0x000000001B5BE000-memory.dmp

            Filesize

            632KB

          • memory/1448-121-0x000000001B4A0000-0x000000001B4A2000-memory.dmp

            Filesize

            8KB

          • memory/1448-109-0x0000000001220000-0x0000000001406000-memory.dmp

            Filesize

            1.9MB

          • memory/1512-100-0x0000000000870000-0x000000000088E000-memory.dmp

            Filesize

            120KB

          • memory/1512-110-0x0000000004C30000-0x0000000004C68000-memory.dmp

            Filesize

            224KB

          • memory/1512-108-0x0000000006AB0000-0x0000000006C4E000-memory.dmp

            Filesize

            1.6MB

          • memory/1920-54-0x00000000002A0000-0x00000000002BE000-memory.dmp

            Filesize

            120KB

          • memory/1920-56-0x0000000005A70000-0x0000000005AB8000-memory.dmp

            Filesize

            288KB

          • memory/1920-55-0x00000000088C0000-0x0000000008A24000-memory.dmp

            Filesize

            1.4MB