Analysis

  • max time kernel
    143s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07/05/2022, 04:34

General

  • Target

    zxcvb.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 M6

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

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\zxcvb.exe
    "C:\Users\Admin\AppData\Local\Temp\zxcvb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1892
    • 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:1236
      • 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:560
        • C:\Users\Admin\AppData\Roaming\azne.exe
          C:\Users\Admin\AppData\Roaming\azne.exe
          4⤵
          • Executes dropped EXE
          PID:1064
      • 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:1884
        • 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:1720
        • 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:1996
      • 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:1332
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          4⤵
          • Delays execution with timeout.exe
          PID:1728

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/560-101-0x0000000000AF0000-0x0000000000B0E000-memory.dmp

    Filesize

    120KB

  • memory/560-134-0x0000000006A10000-0x0000000006BAE000-memory.dmp

    Filesize

    1.6MB

  • memory/560-135-0x0000000002120000-0x0000000002158000-memory.dmp

    Filesize

    224KB

  • memory/1064-141-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1064-143-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1064-149-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1064-136-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1064-139-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1064-137-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1064-140-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1064-147-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1236-64-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-59-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-58-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-63-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-73-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/1236-66-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-71-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-70-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-61-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-67-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1720-120-0x000000000284B000-0x000000000286A000-memory.dmp

    Filesize

    124KB

  • memory/1720-118-0x0000000002844000-0x0000000002847000-memory.dmp

    Filesize

    12KB

  • memory/1720-115-0x000007FEEB370000-0x000007FEEBECD000-memory.dmp

    Filesize

    11.4MB

  • memory/1884-110-0x0000000000FC0000-0x00000000011A6000-memory.dmp

    Filesize

    1.9MB

  • memory/1884-121-0x000000001B2A0000-0x000000001B33E000-memory.dmp

    Filesize

    632KB

  • memory/1884-111-0x000007FEFC5C1000-0x000007FEFC5C3000-memory.dmp

    Filesize

    8KB

  • memory/1884-112-0x000000001B8A0000-0x000000001BA6E000-memory.dmp

    Filesize

    1.8MB

  • memory/1884-117-0x000000001B346000-0x000000001B365000-memory.dmp

    Filesize

    124KB

  • memory/1892-54-0x0000000000180000-0x000000000019E000-memory.dmp

    Filesize

    120KB

  • memory/1892-57-0x0000000005020000-0x0000000005068000-memory.dmp

    Filesize

    288KB

  • memory/1892-56-0x0000000008550000-0x00000000086B4000-memory.dmp

    Filesize

    1.4MB

  • memory/1892-55-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

    Filesize

    8KB

  • memory/1996-123-0x0000000140000000-0x000000014007A000-memory.dmp

    Filesize

    488KB

  • memory/1996-122-0x0000000140000000-0x000000014007A000-memory.dmp

    Filesize

    488KB

  • memory/1996-125-0x0000000140000000-0x000000014007A000-memory.dmp

    Filesize

    488KB

  • memory/1996-133-0x00000000009E0000-0x0000000000A2C000-memory.dmp

    Filesize

    304KB

  • memory/1996-132-0x0000000000790000-0x00000000007DE000-memory.dmp

    Filesize

    312KB

  • memory/1996-131-0x000000001AE40000-0x000000001AEE6000-memory.dmp

    Filesize

    664KB

  • memory/1996-127-0x0000000140000000-0x000000014007A000-memory.dmp

    Filesize

    488KB

  • memory/1996-150-0x0000000002486000-0x00000000024A5000-memory.dmp

    Filesize

    124KB