Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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.

  • 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 12 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:632
    • 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:1660
      • 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:1964
        • C:\Users\Admin\AppData\Roaming\azne.exe
          C:\Users\Admin\AppData\Roaming\azne.exe
          4⤵
          • Executes dropped EXE
          PID:1400
      • 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:1588
        • 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:1324
        • 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:1668
      • 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:1580
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          4⤵
          • Delays execution with timeout.exe
          PID:1744

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\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/632-54-0x0000000000800000-0x000000000081E000-memory.dmp

          Filesize

          120KB

        • memory/632-57-0x0000000004670000-0x00000000046B8000-memory.dmp

          Filesize

          288KB

        • memory/632-56-0x0000000008910000-0x0000000008A74000-memory.dmp

          Filesize

          1.4MB

        • memory/632-55-0x0000000075391000-0x0000000075393000-memory.dmp

          Filesize

          8KB

        • memory/1324-119-0x00000000024D4000-0x00000000024D7000-memory.dmp

          Filesize

          12KB

        • memory/1324-117-0x000007FEEB510000-0x000007FEEC06D000-memory.dmp

          Filesize

          11.4MB

        • memory/1324-120-0x000000001B820000-0x000000001BB1F000-memory.dmp

          Filesize

          3.0MB

        • memory/1324-121-0x00000000024DB000-0x00000000024FA000-memory.dmp

          Filesize

          124KB

        • memory/1400-139-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1400-141-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1400-142-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1400-143-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1400-145-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1400-149-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1400-151-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1400-138-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1588-110-0x00000000001D0000-0x00000000003B6000-memory.dmp

          Filesize

          1.9MB

        • memory/1588-118-0x000000001B126000-0x000000001B145000-memory.dmp

          Filesize

          124KB

        • memory/1588-114-0x000000001B9E0000-0x000000001BBAE000-memory.dmp

          Filesize

          1.8MB

        • memory/1588-111-0x000007FEFC151000-0x000007FEFC153000-memory.dmp

          Filesize

          8KB

        • memory/1588-122-0x000000001B600000-0x000000001B69E000-memory.dmp

          Filesize

          632KB

        • memory/1660-70-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1660-71-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1660-73-0x0000000060900000-0x0000000060992000-memory.dmp

          Filesize

          584KB

        • memory/1660-58-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1660-59-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1660-61-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1660-63-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1660-64-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1660-66-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1660-67-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1668-128-0x0000000140000000-0x000000014007A000-memory.dmp

          Filesize

          488KB

        • memory/1668-132-0x000000001B820000-0x000000001B8C6000-memory.dmp

          Filesize

          664KB

        • memory/1668-123-0x0000000140000000-0x000000014007A000-memory.dmp

          Filesize

          488KB

        • memory/1668-124-0x0000000140000000-0x000000014007A000-memory.dmp

          Filesize

          488KB

        • memory/1668-134-0x000000001B920000-0x000000001B96C000-memory.dmp

          Filesize

          304KB

        • memory/1668-126-0x0000000140000000-0x000000014007A000-memory.dmp

          Filesize

          488KB

        • memory/1668-133-0x000000001B8D0000-0x000000001B91E000-memory.dmp

          Filesize

          312KB

        • memory/1668-135-0x000000001B9B6000-0x000000001B9D5000-memory.dmp

          Filesize

          124KB

        • memory/1964-137-0x0000000004880000-0x00000000048B8000-memory.dmp

          Filesize

          224KB

        • memory/1964-136-0x00000000069B0000-0x0000000006B4E000-memory.dmp

          Filesize

          1.6MB

        • memory/1964-101-0x0000000001190000-0x00000000011AE000-memory.dmp

          Filesize

          120KB