Analysis

  • max time kernel
    95s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-07-2022 02:30

General

  • Target

    4272b1d0b38f1c3e9ef6b63582035c96bef09292be1224918cf4ea6cbfda3de8.exe

  • Size

    817KB

  • MD5

    b7b54500b995dcd5ac2e9f0b5bdd0c23

  • SHA1

    011ad6cf3d6c092d7892c3742647c38e157ab475

  • SHA256

    4272b1d0b38f1c3e9ef6b63582035c96bef09292be1224918cf4ea6cbfda3de8

  • SHA512

    85de68c3ed5e8c7e3ae4a766796296be20bdab153b4c56951af145272ff069264e99c0682042d846fbe10d31989ffcd13997dddada535e02bb66b2350c63f14c

Malware Config

Extracted

Family

hawkeye_reborn

Attributes
  • fields

  • name

Signatures

  • HawkEye Reborn

    HawkEye Reborn is an enhanced version of the HawkEye malware kit.

  • M00nd3v_Logger

    M00nd3v Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • M00nD3v Logger payload 4 IoCs

    Detects M00nD3v Logger payload in memory.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4272b1d0b38f1c3e9ef6b63582035c96bef09292be1224918cf4ea6cbfda3de8.exe
    "C:\Users\Admin\AppData\Local\Temp\4272b1d0b38f1c3e9ef6b63582035c96bef09292be1224918cf4ea6cbfda3de8.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\4272b1d0b38f1c3e9ef6b63582035c96bef09292be1224918cf4ea6cbfda3de8.exe" "C:\Users\Admin\AppData\Local\stable.exe"
      2⤵
        PID:1272
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Local\stable.exe"
        2⤵
          PID:1068
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Users\Admin\AppData\Local\stable.exe
          "C:\Users\Admin\AppData\Local\stable.exe"
          2⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:268
          • C:\Users\Admin\AppData\Local\stable.exe
            "C:\Users\Admin\AppData\Local\stable.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1468

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\stable.exe
        Filesize

        817KB

        MD5

        b7b54500b995dcd5ac2e9f0b5bdd0c23

        SHA1

        011ad6cf3d6c092d7892c3742647c38e157ab475

        SHA256

        4272b1d0b38f1c3e9ef6b63582035c96bef09292be1224918cf4ea6cbfda3de8

        SHA512

        85de68c3ed5e8c7e3ae4a766796296be20bdab153b4c56951af145272ff069264e99c0682042d846fbe10d31989ffcd13997dddada535e02bb66b2350c63f14c

      • C:\Users\Admin\AppData\Local\stable.exe
        Filesize

        817KB

        MD5

        b7b54500b995dcd5ac2e9f0b5bdd0c23

        SHA1

        011ad6cf3d6c092d7892c3742647c38e157ab475

        SHA256

        4272b1d0b38f1c3e9ef6b63582035c96bef09292be1224918cf4ea6cbfda3de8

        SHA512

        85de68c3ed5e8c7e3ae4a766796296be20bdab153b4c56951af145272ff069264e99c0682042d846fbe10d31989ffcd13997dddada535e02bb66b2350c63f14c

      • C:\Users\Admin\AppData\Local\stable.exe
        Filesize

        817KB

        MD5

        b7b54500b995dcd5ac2e9f0b5bdd0c23

        SHA1

        011ad6cf3d6c092d7892c3742647c38e157ab475

        SHA256

        4272b1d0b38f1c3e9ef6b63582035c96bef09292be1224918cf4ea6cbfda3de8

        SHA512

        85de68c3ed5e8c7e3ae4a766796296be20bdab153b4c56951af145272ff069264e99c0682042d846fbe10d31989ffcd13997dddada535e02bb66b2350c63f14c

      • memory/268-67-0x0000000001370000-0x0000000001446000-memory.dmp
        Filesize

        856KB

      • memory/268-65-0x0000000000000000-mapping.dmp
      • memory/320-63-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp
        Filesize

        8KB

      • memory/960-55-0x0000000006EC0000-0x0000000006FE0000-memory.dmp
        Filesize

        1.1MB

      • memory/960-54-0x0000000000D50000-0x0000000000E26000-memory.dmp
        Filesize

        856KB

      • memory/960-58-0x0000000076571000-0x0000000076573000-memory.dmp
        Filesize

        8KB

      • memory/960-57-0x0000000000420000-0x0000000000426000-memory.dmp
        Filesize

        24KB

      • memory/960-56-0x0000000000540000-0x0000000000578000-memory.dmp
        Filesize

        224KB

      • memory/1068-62-0x0000000070001000-0x0000000070003000-memory.dmp
        Filesize

        8KB

      • memory/1068-60-0x0000000000000000-mapping.dmp
      • memory/1272-59-0x0000000000000000-mapping.dmp
      • memory/1468-69-0x0000000000400000-0x0000000000490000-memory.dmp
        Filesize

        576KB

      • memory/1468-70-0x000000000048B1CE-mapping.dmp
      • memory/1468-73-0x0000000000400000-0x0000000000490000-memory.dmp
        Filesize

        576KB

      • memory/1468-75-0x0000000000400000-0x0000000000490000-memory.dmp
        Filesize

        576KB

      • memory/1468-76-0x0000000000DC0000-0x0000000000E36000-memory.dmp
        Filesize

        472KB