Analysis

  • max time kernel
    145s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19/04/2022, 04:12

General

  • Target

    asdfg.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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\asdfg.exe
    "C:\Users\Admin\AppData\Local\Temp\asdfg.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1640
    • 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:1296
      • 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:1776
        • C:\Users\Admin\AppData\Roaming\azne.exe
          C:\Users\Admin\AppData\Roaming\azne.exe
          4⤵
          • Executes dropped EXE
          PID:1508
      • 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:832
        • 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:1416
        • 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:952
      • 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:1260
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          4⤵
          • Delays execution with timeout.exe
          PID:780

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/832-93-0x000000001BC20000-0x000000001BDEE000-memory.dmp

          Filesize

          1.8MB

        • memory/832-97-0x000000001AEF6000-0x000000001AF15000-memory.dmp

          Filesize

          124KB

        • memory/832-103-0x000000001AE50000-0x000000001AEEE000-memory.dmp

          Filesize

          632KB

        • memory/832-90-0x000000001AEF0000-0x000000001AEF2000-memory.dmp

          Filesize

          8KB

        • memory/832-89-0x0000000000DA0000-0x0000000000F86000-memory.dmp

          Filesize

          1.9MB

        • memory/952-125-0x0000000000550000-0x000000000059E000-memory.dmp

          Filesize

          312KB

        • memory/952-105-0x0000000140000000-0x000000014007A000-memory.dmp

          Filesize

          488KB

        • memory/952-106-0x0000000140000000-0x000000014007A000-memory.dmp

          Filesize

          488KB

        • memory/952-108-0x0000000140000000-0x000000014007A000-memory.dmp

          Filesize

          488KB

        • memory/952-110-0x0000000140000000-0x000000014007A000-memory.dmp

          Filesize

          488KB

        • memory/952-132-0x00000000021D0000-0x000000000221C000-memory.dmp

          Filesize

          304KB

        • memory/952-117-0x0000000002440000-0x00000000024E6000-memory.dmp

          Filesize

          664KB

        • memory/952-131-0x000000001B5F0000-0x000000001B5F2000-memory.dmp

          Filesize

          8KB

        • memory/952-133-0x000000001B5F6000-0x000000001B615000-memory.dmp

          Filesize

          124KB

        • memory/1296-60-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1296-69-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1296-57-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1296-58-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1296-70-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1296-66-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1296-62-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1296-71-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

          Filesize

          8KB

        • memory/1296-63-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1296-65-0x0000000000400000-0x000000000043D000-memory.dmp

          Filesize

          244KB

        • memory/1416-99-0x0000000002752000-0x0000000002754000-memory.dmp

          Filesize

          8KB

        • memory/1416-102-0x000000000275B000-0x000000000277A000-memory.dmp

          Filesize

          124KB

        • memory/1416-101-0x000000001B7D0000-0x000000001BACF000-memory.dmp

          Filesize

          3.0MB

        • memory/1416-96-0x000007FEEB370000-0x000007FEEBECD000-memory.dmp

          Filesize

          11.4MB

        • memory/1416-100-0x0000000002754000-0x0000000002757000-memory.dmp

          Filesize

          12KB

        • memory/1416-98-0x0000000002750000-0x0000000002752000-memory.dmp

          Filesize

          8KB

        • memory/1416-95-0x000007FEFC5C1000-0x000007FEFC5C3000-memory.dmp

          Filesize

          8KB

        • memory/1508-128-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1508-123-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1508-116-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1508-130-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1508-119-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1508-120-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1508-115-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1508-121-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1640-55-0x0000000008640000-0x00000000087A4000-memory.dmp

          Filesize

          1.4MB

        • memory/1640-54-0x00000000003F0000-0x000000000040E000-memory.dmp

          Filesize

          120KB

        • memory/1640-56-0x0000000005060000-0x00000000050A8000-memory.dmp

          Filesize

          288KB

        • memory/1776-113-0x0000000004DE0000-0x0000000004E18000-memory.dmp

          Filesize

          224KB

        • memory/1776-104-0x00000000067E0000-0x000000000697E000-memory.dmp

          Filesize

          1.6MB

        • memory/1776-81-0x0000000000FA0000-0x0000000000FBE000-memory.dmp

          Filesize

          120KB