Analysis

  • max time kernel
    90s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28-05-2022 14:21

General

  • Target

    c3f533c47a2f995cd4b5d16653698609.exe

  • Size

    1.1MB

  • MD5

    c3f533c47a2f995cd4b5d16653698609

  • SHA1

    223cfb523ff8b64b339a34db3808dc6a386752a4

  • SHA256

    672fea64c92edc4d937d3132577b65813738bfddeab6a6b3ef35e6fa4b987009

  • SHA512

    6f6635c7864f675f0f9dfe315c5a7aeef93da7ca91b6016eed8506b7e1c809de8031f9659f87339f58e807a6d59b83214896af5ba71659b0b9e50511a1c91761

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 Win32/AZORult V3.3 Client Checkin M15

    suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M15

  • 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 5 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3f533c47a2f995cd4b5d16653698609.exe
    "C:\Users\Admin\AppData\Local\Temp\c3f533c47a2f995cd4b5d16653698609.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe
      "C:\Users\Admin\AppData\Local\Temp\dhgerme.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe
        "C:\Users\Admin\AppData\Local\Temp\dhgerme.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:4952
        • C:\Users\Admin\AppData\Roaming\azne.exe
          "C:\Users\Admin\AppData\Roaming\azne.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1900
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c timeout /t 20
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3612
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 20
              6⤵
              • Delays execution with timeout.exe
              PID:1988
          • C:\Users\Admin\AppData\Roaming\azne.exe
            C:\Users\Admin\AppData\Roaming\azne.exe
            5⤵
            • Executes dropped EXE
            PID:2996
          • C:\Users\Admin\AppData\Roaming\azne.exe
            C:\Users\Admin\AppData\Roaming\azne.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:3108
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\dhgerme.exe" & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2268
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            5⤵
            • Delays execution with timeout.exe
            PID:984
    • C:\Users\Admin\AppData\Local\Temp\c3f533c47a2f995cd4b5d16653698609.exe
      "C:\Users\Admin\AppData\Local\Temp\c3f533c47a2f995cd4b5d16653698609.exe"
      2⤵
        PID:3484

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\ProgramData\mozglue.dll

      Filesize

      133KB

      MD5

      8f73c08a9660691143661bf7332c3c27

      SHA1

      37fa65dd737c50fda710fdbde89e51374d0c204a

      SHA256

      3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

      SHA512

      0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

    • C:\ProgramData\nss3.dll

      Filesize

      1.2MB

      MD5

      bfac4e3c5908856ba17d41edcd455a51

      SHA1

      8eec7e888767aa9e4cca8ff246eb2aacb9170428

      SHA256

      e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

      SHA512

      2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

    • C:\Users\Admin\AppData\Local\Temp\6F622E64\mozglue.dll

      Filesize

      135KB

      MD5

      9e682f1eb98a9d41468fc3e50f907635

      SHA1

      85e0ceca36f657ddf6547aa0744f0855a27527ee

      SHA256

      830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

      SHA512

      230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

    • C:\Users\Admin\AppData\Local\Temp\6F622E64\msvcp140.dll

      Filesize

      429KB

      MD5

      109f0f02fd37c84bfc7508d4227d7ed5

      SHA1

      ef7420141bb15ac334d3964082361a460bfdb975

      SHA256

      334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

      SHA512

      46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

    • C:\Users\Admin\AppData\Local\Temp\6F622E64\nss3.dll

      Filesize

      1.2MB

      MD5

      556ea09421a0f74d31c4c0a89a70dc23

      SHA1

      f739ba9b548ee64b13eb434a3130406d23f836e3

      SHA256

      f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

      SHA512

      2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

    • C:\Users\Admin\AppData\Local\Temp\6F622E64\vcruntime140.dll

      Filesize

      81KB

      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • C:\Users\Admin\AppData\Local\Temp\6F622E64\vcruntime140.dll

      Filesize

      81KB

      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • C:\Users\Admin\AppData\Local\Temp\6F622E64\vcruntime140.dll

      Filesize

      81KB

      MD5

      7587bf9cb4147022cd5681b015183046

      SHA1

      f2106306a8f6f0da5afb7fc765cfa0757ad5a628

      SHA256

      c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

      SHA512

      0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

    • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe

      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe

      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • C:\Users\Admin\AppData\Local\Temp\dhgerme.exe

      Filesize

      636KB

      MD5

      3db09f87da90c69511e1e8b27adac692

      SHA1

      f07109e4e9e46467022d45cf12c79f4ead85e0b6

      SHA256

      e7d98b927978c0b948f863f504a1a0e950c7261e895edb0332aedcdcf40b7132

      SHA512

      d301617a3f4c54e4698714243f8701ae462d5178c607f2550e03eb8f50be749c6c74a43037fb29a58e9b5853154c558f0884d74176f999bbe22518156055040a

    • C:\Users\Admin\AppData\Roaming\azne.exe

      Filesize

      18KB

      MD5

      7e3ee77a4368b038f62d18f7db71c722

      SHA1

      2f3e78bf162ed48d0be9a7141aaf77df0a21706a

      SHA256

      4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

      SHA512

      0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

    • C:\Users\Admin\AppData\Roaming\azne.exe

      Filesize

      18KB

      MD5

      7e3ee77a4368b038f62d18f7db71c722

      SHA1

      2f3e78bf162ed48d0be9a7141aaf77df0a21706a

      SHA256

      4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

      SHA512

      0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

    • C:\Users\Admin\AppData\Roaming\azne.exe

      Filesize

      18KB

      MD5

      7e3ee77a4368b038f62d18f7db71c722

      SHA1

      2f3e78bf162ed48d0be9a7141aaf77df0a21706a

      SHA256

      4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

      SHA512

      0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

    • C:\Users\Admin\AppData\Roaming\azne.exe

      Filesize

      18KB

      MD5

      7e3ee77a4368b038f62d18f7db71c722

      SHA1

      2f3e78bf162ed48d0be9a7141aaf77df0a21706a

      SHA256

      4a0121e211740d5c35f1576d01bcf46ab4dda9d44a8031795bc6015bb3627079

      SHA512

      0eb6aaf62d31c3f32f837255b81061c96e7ae30c8485c8a0cfc6e52ee67b81b0160a5e75ddb559a3f28e8b91738e7602b85b4a5afcffa72249b118923dd30d18

    • memory/984-170-0x0000000000000000-mapping.dmp

    • memory/1900-165-0x0000000000000000-mapping.dmp

    • memory/1900-171-0x0000000000190000-0x000000000019A000-memory.dmp

      Filesize

      40KB

    • memory/1988-173-0x0000000000000000-mapping.dmp

    • memory/2268-168-0x0000000000000000-mapping.dmp

    • memory/2996-174-0x0000000000000000-mapping.dmp

    • memory/3108-180-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/3108-188-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/3108-176-0x0000000000000000-mapping.dmp

    • memory/3108-177-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/3108-181-0x0000000000400000-0x0000000000420000-memory.dmp

      Filesize

      128KB

    • memory/3484-137-0x0000000000000000-mapping.dmp

    • memory/3484-143-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/3484-141-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/3612-172-0x0000000000000000-mapping.dmp

    • memory/3636-132-0x0000000000000000-mapping.dmp

    • memory/3984-140-0x0000000003620000-0x0000000003627000-memory.dmp

      Filesize

      28KB

    • memory/4952-142-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4952-138-0x0000000000000000-mapping.dmp

    • memory/4952-144-0x0000000060900000-0x0000000060992000-memory.dmp

      Filesize

      584KB

    • memory/4952-169-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB