Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2022 20:12

General

  • Target

    53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b.exe

  • Size

    689KB

  • MD5

    f146c3e256a3e0b7e875c74f706390fd

  • SHA1

    7bd9d13f55f5d1222efbb156a9a8a1b7d6a33c0d

  • SHA256

    53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b

  • SHA512

    9c926035f9b216bb351543e0f7a1b385f61d1d1434a98e376716eea11315776b2cff7f4d0305a7930ce2f45c99d8e0200687631fd930aa9114131c84da3493f8

  • SSDEEP

    12288:hw7yiW1QapxyRxVZMNA8/ewLVvmstH2wIaoGCCozpPsJs0F/XdVRDu:h6C1tzyRxVGN7/tVvzFhFaT0F/XdVR

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    noohkxueuadadesg

Signatures

  • HawkEye

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

  • NirSoft MailPassView 13 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 12 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 17 IoCs
  • Executes dropped EXE 3 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 2 IoCs
  • Looks up external IP address via web service 3 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b.exe
    "C:\Users\Admin\AppData\Local\Temp\53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b.exe
      "C:\Users\Admin\AppData\Local\Temp\53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2016
      • 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"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1092
      • 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"
        3⤵
          PID:1244
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1600
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1180
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe"
            4⤵
            • Executes dropped EXE
            PID:1552

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      689KB

      MD5

      f146c3e256a3e0b7e875c74f706390fd

      SHA1

      7bd9d13f55f5d1222efbb156a9a8a1b7d6a33c0d

      SHA256

      53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b

      SHA512

      9c926035f9b216bb351543e0f7a1b385f61d1d1434a98e376716eea11315776b2cff7f4d0305a7930ce2f45c99d8e0200687631fd930aa9114131c84da3493f8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      689KB

      MD5

      f146c3e256a3e0b7e875c74f706390fd

      SHA1

      7bd9d13f55f5d1222efbb156a9a8a1b7d6a33c0d

      SHA256

      53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b

      SHA512

      9c926035f9b216bb351543e0f7a1b385f61d1d1434a98e376716eea11315776b2cff7f4d0305a7930ce2f45c99d8e0200687631fd930aa9114131c84da3493f8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      689KB

      MD5

      f146c3e256a3e0b7e875c74f706390fd

      SHA1

      7bd9d13f55f5d1222efbb156a9a8a1b7d6a33c0d

      SHA256

      53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b

      SHA512

      9c926035f9b216bb351543e0f7a1b385f61d1d1434a98e376716eea11315776b2cff7f4d0305a7930ce2f45c99d8e0200687631fd930aa9114131c84da3493f8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe

      Filesize

      7KB

      MD5

      5b6409234f46215e3b133d5a52ec9845

      SHA1

      4c1d2a919016a16450d130f1553928ae7041da9b

      SHA256

      a07f6befe0fdf5d7cbbc25a3666a70700fd7faa78ba301b899cb5f20c95a7f75

      SHA512

      09b0412c7133f4af86e5f069f2cbd3c2f62371cb566e7beda1de6e300b02b6add2332b4c42e5b85c5456d9ee1e06094395ea147d48badf81676a474e3736bc09

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe

      Filesize

      7KB

      MD5

      5b6409234f46215e3b133d5a52ec9845

      SHA1

      4c1d2a919016a16450d130f1553928ae7041da9b

      SHA256

      a07f6befe0fdf5d7cbbc25a3666a70700fd7faa78ba301b899cb5f20c95a7f75

      SHA512

      09b0412c7133f4af86e5f069f2cbd3c2f62371cb566e7beda1de6e300b02b6add2332b4c42e5b85c5456d9ee1e06094395ea147d48badf81676a474e3736bc09

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      689KB

      MD5

      f146c3e256a3e0b7e875c74f706390fd

      SHA1

      7bd9d13f55f5d1222efbb156a9a8a1b7d6a33c0d

      SHA256

      53fcfc9974779e077e8c8701d052d58389eaca6897c71e328007dfd8fcd8701b

      SHA512

      9c926035f9b216bb351543e0f7a1b385f61d1d1434a98e376716eea11315776b2cff7f4d0305a7930ce2f45c99d8e0200687631fd930aa9114131c84da3493f8

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe

      Filesize

      7KB

      MD5

      5b6409234f46215e3b133d5a52ec9845

      SHA1

      4c1d2a919016a16450d130f1553928ae7041da9b

      SHA256

      a07f6befe0fdf5d7cbbc25a3666a70700fd7faa78ba301b899cb5f20c95a7f75

      SHA512

      09b0412c7133f4af86e5f069f2cbd3c2f62371cb566e7beda1de6e300b02b6add2332b4c42e5b85c5456d9ee1e06094395ea147d48badf81676a474e3736bc09

    • memory/1092-89-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1092-86-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1092-85-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1092-81-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1092-82-0x0000000000411654-mapping.dmp

    • memory/1180-92-0x0000000000000000-mapping.dmp

    • memory/1180-95-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1180-103-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1244-96-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1244-97-0x0000000000442628-mapping.dmp

    • memory/1244-102-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1244-100-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1552-124-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1552-123-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1552-111-0x000000000047EAAE-mapping.dmp

    • memory/1600-75-0x0000000000000000-mapping.dmp

    • memory/1600-80-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1600-88-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1932-56-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1932-104-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1932-55-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/1932-54-0x0000000076831000-0x0000000076833000-memory.dmp

      Filesize

      8KB

    • memory/2016-58-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/2016-63-0x000000000047EAAE-mapping.dmp

    • memory/2016-64-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/2016-57-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/2016-65-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/2016-87-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2016-60-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/2016-69-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/2016-61-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/2016-72-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/2016-79-0x0000000075000000-0x00000000755AB000-memory.dmp

      Filesize

      5.7MB