Analysis

  • max time kernel
    150s
  • max time network
    168s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 13:25

General

  • Target

    ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be.exe

  • Size

    678KB

  • MD5

    19f021dafe19fecaa33c20ead99b69fe

  • SHA1

    09065b86b5f3066abc66de863950f1711108f067

  • SHA256

    ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be

  • SHA512

    85ca1b2484991872c1f4c9d0f3ed8dca0f5019331057ba15063f06be3e91af553bacbac3525bfa21ce7188a92d8d69c6104d44a892bea65888e3cabfb56a1f52

  • SSDEEP

    12288:uu49EY7AmXkI10zsbyt5x+LE0QzaaGvm2V82FQpzBhSD8sBfZ0X3:uN2YwIsx+LFauV8TzBhSQsBmX

Malware Config

Extracted

Credentials

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

Signatures

  • HawkEye

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

  • NirSoft MailPassView 12 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 11 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 16 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 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 3 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be.exe
    "C:\Users\Admin\AppData\Local\Temp\ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Users\Admin\AppData\Local\Temp\ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be.exe
      "C:\Users\Admin\AppData\Local\Temp\ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be.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:1376
      • 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:1528
      • 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:832
      • 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:1680
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1060
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe"
            4⤵
            • Executes dropped EXE
            PID:1692
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\WUDHost.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            PID:1560

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    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

      678KB

      MD5

      19f021dafe19fecaa33c20ead99b69fe

      SHA1

      09065b86b5f3066abc66de863950f1711108f067

      SHA256

      ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be

      SHA512

      85ca1b2484991872c1f4c9d0f3ed8dca0f5019331057ba15063f06be3e91af553bacbac3525bfa21ce7188a92d8d69c6104d44a892bea65888e3cabfb56a1f52

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

      Filesize

      678KB

      MD5

      19f021dafe19fecaa33c20ead99b69fe

      SHA1

      09065b86b5f3066abc66de863950f1711108f067

      SHA256

      ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be

      SHA512

      85ca1b2484991872c1f4c9d0f3ed8dca0f5019331057ba15063f06be3e91af553bacbac3525bfa21ce7188a92d8d69c6104d44a892bea65888e3cabfb56a1f52

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

      Filesize

      678KB

      MD5

      19f021dafe19fecaa33c20ead99b69fe

      SHA1

      09065b86b5f3066abc66de863950f1711108f067

      SHA256

      ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be

      SHA512

      85ca1b2484991872c1f4c9d0f3ed8dca0f5019331057ba15063f06be3e91af553bacbac3525bfa21ce7188a92d8d69c6104d44a892bea65888e3cabfb56a1f52

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

      Filesize

      6KB

      MD5

      0a471b54b2bb86b2a7bc0a2bc9008231

      SHA1

      4f5e60a7cc6d0b79bf1d238ce5af0670736fc67e

      SHA256

      040b2bba6e326169c3f236004fd8367e3e92b875fa79fc619ea7af747d90a235

      SHA512

      efe9db2dfbad40a66e78c6982a75a007ca3be573b912dab8b76af229f97a4620157cec2dbf527d87dbc79de7e020f30f9384cba48a3871a266f9fc016e20a9ac

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

      Filesize

      6KB

      MD5

      0a471b54b2bb86b2a7bc0a2bc9008231

      SHA1

      4f5e60a7cc6d0b79bf1d238ce5af0670736fc67e

      SHA256

      040b2bba6e326169c3f236004fd8367e3e92b875fa79fc619ea7af747d90a235

      SHA512

      efe9db2dfbad40a66e78c6982a75a007ca3be573b912dab8b76af229f97a4620157cec2dbf527d87dbc79de7e020f30f9384cba48a3871a266f9fc016e20a9ac

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

      Filesize

      6KB

      MD5

      0a471b54b2bb86b2a7bc0a2bc9008231

      SHA1

      4f5e60a7cc6d0b79bf1d238ce5af0670736fc67e

      SHA256

      040b2bba6e326169c3f236004fd8367e3e92b875fa79fc619ea7af747d90a235

      SHA512

      efe9db2dfbad40a66e78c6982a75a007ca3be573b912dab8b76af229f97a4620157cec2dbf527d87dbc79de7e020f30f9384cba48a3871a266f9fc016e20a9ac

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

      Filesize

      6KB

      MD5

      0a471b54b2bb86b2a7bc0a2bc9008231

      SHA1

      4f5e60a7cc6d0b79bf1d238ce5af0670736fc67e

      SHA256

      040b2bba6e326169c3f236004fd8367e3e92b875fa79fc619ea7af747d90a235

      SHA512

      efe9db2dfbad40a66e78c6982a75a007ca3be573b912dab8b76af229f97a4620157cec2dbf527d87dbc79de7e020f30f9384cba48a3871a266f9fc016e20a9ac

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

      Filesize

      678KB

      MD5

      19f021dafe19fecaa33c20ead99b69fe

      SHA1

      09065b86b5f3066abc66de863950f1711108f067

      SHA256

      ac264beeee7dacdfbf13d69e27aa28dd80a788631691c15701627fe065de58be

      SHA512

      85ca1b2484991872c1f4c9d0f3ed8dca0f5019331057ba15063f06be3e91af553bacbac3525bfa21ce7188a92d8d69c6104d44a892bea65888e3cabfb56a1f52

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

      Filesize

      6KB

      MD5

      0a471b54b2bb86b2a7bc0a2bc9008231

      SHA1

      4f5e60a7cc6d0b79bf1d238ce5af0670736fc67e

      SHA256

      040b2bba6e326169c3f236004fd8367e3e92b875fa79fc619ea7af747d90a235

      SHA512

      efe9db2dfbad40a66e78c6982a75a007ca3be573b912dab8b76af229f97a4620157cec2dbf527d87dbc79de7e020f30f9384cba48a3871a266f9fc016e20a9ac

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

      Filesize

      6KB

      MD5

      0a471b54b2bb86b2a7bc0a2bc9008231

      SHA1

      4f5e60a7cc6d0b79bf1d238ce5af0670736fc67e

      SHA256

      040b2bba6e326169c3f236004fd8367e3e92b875fa79fc619ea7af747d90a235

      SHA512

      efe9db2dfbad40a66e78c6982a75a007ca3be573b912dab8b76af229f97a4620157cec2dbf527d87dbc79de7e020f30f9384cba48a3871a266f9fc016e20a9ac

    • memory/832-121-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/832-119-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/832-116-0x0000000000442628-mapping.dmp

    • memory/832-115-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1060-80-0x0000000000000000-mapping.dmp

    • memory/1060-84-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1060-83-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1376-62-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1376-74-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1376-61-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1376-65-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1376-60-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1376-76-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1376-63-0x000000000047EAAE-mapping.dmp

    • memory/1376-67-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1376-57-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1376-58-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1528-109-0x0000000000411654-mapping.dmp

    • memory/1528-114-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1528-108-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1528-112-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1528-113-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1560-97-0x0000000000000000-mapping.dmp

    • memory/1560-106-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1560-107-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1632-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

      Filesize

      8KB

    • memory/1632-55-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1632-56-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1632-85-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1680-75-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1680-70-0x0000000000000000-mapping.dmp

    • memory/1680-77-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1680-86-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1692-105-0x00000000748F0000-0x0000000074E9B000-memory.dmp

      Filesize

      5.7MB

    • memory/1692-93-0x000000000047EAAE-mapping.dmp