Analysis

  • max time kernel
    150s
  • max time network
    80s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    10-05-2023 14:35

General

  • Target

    abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19.exe

  • Size

    667KB

  • MD5

    389c57aa4b5b8c0d95e6796d290f6777

  • SHA1

    14438e62e33f94128d5c5db261b31d9608c57ec0

  • SHA256

    abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19

  • SHA512

    9eeaec1376239284d75c096256c3183bb0951bf070905b58ac228da63f3a3c55c00d9fd496a07864691923ea8876ebe3cfa6438ab759d89b76a22abc090e9db8

  • SSDEEP

    12288:xHV8idMlURaewENwQYSE0DMIwyVcIz3jSXlT8nHX395J7ecUppB:x8lURpmShUkslT8noc+

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 11 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 15 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19.exe
    "C:\Users\Admin\AppData\Local\Temp\abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
        PID:1528
      • C:\Users\Admin\AppData\Local\Temp\abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19.exe
        "C:\Users\Admin\AppData\Local\Temp\abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1268
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1772
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe"
            4⤵
              PID:1972
            • C:\Users\Admin\AppData\Roaming\Windows Update.exe
              "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
              4⤵
              • Deletes itself
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:784
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
                5⤵
                • Accesses Microsoft Outlook accounts
                PID:1888
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
                5⤵
                  PID:1464

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scripting

        1
        T1064

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Scripting

        1
        T1064

        Modify Registry

        1
        T1112

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        System Information Discovery

        1
        T1082

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
          Filesize

          102B

          MD5

          5e442aabd04491ea2b631c6b2498380f

          SHA1

          d9c9eeb3262e216d6459c1037ef0f85e7cf47e81

          SHA256

          3e706fd0092722993bb24d389a96d7355fab5ee423b607ce4ce9b2234a12247a

          SHA512

          0535076b96fe247a204e0e0d8a00972b6e8b7be010517db5ff8072d5cd2f0f1cd132ed597b0b28d371fa002e1b341ae6991d21ab4d363102389216ec6160b305

        • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • C:\Users\Admin\AppData\Local\Temp\svhost.exe
          Filesize

          85KB

          MD5

          2e5f1cf69f92392f8829fc9c9263ae9b

          SHA1

          97b9ca766bbbdaa8c9ec960dc41b598f7fad82a5

          SHA256

          51985a57e085d8b17042f0cdc1f905380b792854733eb3275fd8fce4e3bb886b

          SHA512

          f7e096dd9d0fa3a3c04c01bf229c4b344798a4c8b7b848588c1d78cb9fadfa9b1d0fd53c1fe74d191d5561e9eb551a4a3fc918363f119ea60024dd3d67c83883

        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          Filesize

          667KB

          MD5

          389c57aa4b5b8c0d95e6796d290f6777

          SHA1

          14438e62e33f94128d5c5db261b31d9608c57ec0

          SHA256

          abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19

          SHA512

          9eeaec1376239284d75c096256c3183bb0951bf070905b58ac228da63f3a3c55c00d9fd496a07864691923ea8876ebe3cfa6438ab759d89b76a22abc090e9db8

        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          Filesize

          667KB

          MD5

          389c57aa4b5b8c0d95e6796d290f6777

          SHA1

          14438e62e33f94128d5c5db261b31d9608c57ec0

          SHA256

          abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19

          SHA512

          9eeaec1376239284d75c096256c3183bb0951bf070905b58ac228da63f3a3c55c00d9fd496a07864691923ea8876ebe3cfa6438ab759d89b76a22abc090e9db8

        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          Filesize

          667KB

          MD5

          389c57aa4b5b8c0d95e6796d290f6777

          SHA1

          14438e62e33f94128d5c5db261b31d9608c57ec0

          SHA256

          abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19

          SHA512

          9eeaec1376239284d75c096256c3183bb0951bf070905b58ac228da63f3a3c55c00d9fd496a07864691923ea8876ebe3cfa6438ab759d89b76a22abc090e9db8

        • C:\Users\Admin\AppData\Roaming\WindowsUpdate.exe
          Filesize

          667KB

          MD5

          389c57aa4b5b8c0d95e6796d290f6777

          SHA1

          14438e62e33f94128d5c5db261b31d9608c57ec0

          SHA256

          abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19

          SHA512

          9eeaec1376239284d75c096256c3183bb0951bf070905b58ac228da63f3a3c55c00d9fd496a07864691923ea8876ebe3cfa6438ab759d89b76a22abc090e9db8

        • \Users\Admin\AppData\Roaming\Windows Update.exe
          Filesize

          667KB

          MD5

          389c57aa4b5b8c0d95e6796d290f6777

          SHA1

          14438e62e33f94128d5c5db261b31d9608c57ec0

          SHA256

          abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19

          SHA512

          9eeaec1376239284d75c096256c3183bb0951bf070905b58ac228da63f3a3c55c00d9fd496a07864691923ea8876ebe3cfa6438ab759d89b76a22abc090e9db8

        • \Users\Admin\AppData\Roaming\Windows Update.exe
          Filesize

          667KB

          MD5

          389c57aa4b5b8c0d95e6796d290f6777

          SHA1

          14438e62e33f94128d5c5db261b31d9608c57ec0

          SHA256

          abbaee140815099a2d6b0d4edbc24c39f18bb451a32e67a18c511c7a164b7e19

          SHA512

          9eeaec1376239284d75c096256c3183bb0951bf070905b58ac228da63f3a3c55c00d9fd496a07864691923ea8876ebe3cfa6438ab759d89b76a22abc090e9db8

        • memory/784-100-0x0000000000B70000-0x0000000000BB0000-memory.dmp
          Filesize

          256KB

        • memory/784-88-0x0000000000B70000-0x0000000000BB0000-memory.dmp
          Filesize

          256KB

        • memory/784-93-0x0000000000B70000-0x0000000000BB0000-memory.dmp
          Filesize

          256KB

        • memory/784-96-0x0000000000B70000-0x0000000000BB0000-memory.dmp
          Filesize

          256KB

        • memory/784-81-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
          Filesize

          4KB

        • memory/784-111-0x0000000000B70000-0x0000000000BB0000-memory.dmp
          Filesize

          256KB

        • memory/1268-65-0x0000000000400000-0x0000000000484000-memory.dmp
          Filesize

          528KB

        • memory/1268-56-0x0000000000400000-0x0000000000484000-memory.dmp
          Filesize

          528KB

        • memory/1268-63-0x0000000000400000-0x0000000000484000-memory.dmp
          Filesize

          528KB

        • memory/1268-61-0x0000000000400000-0x0000000000484000-memory.dmp
          Filesize

          528KB

        • memory/1268-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
          Filesize

          4KB

        • memory/1268-59-0x0000000000400000-0x0000000000484000-memory.dmp
          Filesize

          528KB

        • memory/1268-66-0x0000000000130000-0x0000000000170000-memory.dmp
          Filesize

          256KB

        • memory/1268-58-0x0000000000400000-0x0000000000484000-memory.dmp
          Filesize

          528KB

        • memory/1268-57-0x0000000000400000-0x0000000000484000-memory.dmp
          Filesize

          528KB

        • memory/1464-104-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/1464-109-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/1464-106-0x0000000000400000-0x0000000000458000-memory.dmp
          Filesize

          352KB

        • memory/1772-89-0x0000000000A60000-0x0000000000AA0000-memory.dmp
          Filesize

          256KB

        • memory/1888-99-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1888-103-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1888-102-0x0000000000420000-0x0000000000487000-memory.dmp
          Filesize

          412KB

        • memory/1888-101-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1888-97-0x0000000000400000-0x000000000041B000-memory.dmp
          Filesize

          108KB

        • memory/1952-54-0x00000000005F0000-0x0000000000630000-memory.dmp
          Filesize

          256KB