Analysis

  • max time kernel
    58s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2022 19:38

General

  • Target

    231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1.exe

  • Size

    440KB

  • MD5

    c1fda49e1bd80bd2a0578b70612d20b6

  • SHA1

    4d8aabdd3e077fac524e47d4d51d6a355dcc643e

  • SHA256

    231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

  • SHA512

    d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

  • SSDEEP

    12288:ZqCPKZMtxP0olMB3aC53GvNuovRF9w46:ZbPiaN0oSlT53GFbRF

Malware Config

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 5 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1.exe
    "C:\Users\Admin\AppData\Local\Temp\231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1.exe
      "C:\Users\Admin\AppData\Local\Temp\231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1.exe"
      2⤵
        PID:952
      • C:\Users\Admin\AppData\Local\Temp\231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1.exe
        "C:\Users\Admin\AppData\Local\Temp\231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:328
        • 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:1164
          • C:\Users\Admin\AppData\Roaming\Windows Update.exe
            "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
            4⤵
            • Executes dropped EXE
            PID:916
          • C:\Users\Admin\AppData\Roaming\Windows Update.exe
            "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
            4⤵
            • Executes dropped EXE
            PID:1828
          • C:\Users\Admin\AppData\Roaming\Windows Update.exe
            "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
            4⤵
            • Executes dropped EXE
            PID:1940
          • C:\Users\Admin\AppData\Roaming\Windows Update.exe
            "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
            4⤵
            • Executes dropped EXE
            • Deletes itself
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1104
            • 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:1716
            • 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:868

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        102B

        MD5

        6fb44d97a1b79ad1c15df4891995b0e5

        SHA1

        92ef769e24a846a116d6dbffb74a23ffb30a7a1a

        SHA256

        0744fafb27858c73155642cc01681f15cdda4bb9456ac727ec426f99e3227465

        SHA512

        aecaf00dc70bf871307cac9abbff4c0b187ae5d2ae74444d1b5baf0761f7458c138cc2d3b06db0ce45ded3db9ff65fddfe3cfc231564f6f9e02f5de476fc903b

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

        Filesize

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

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

        Filesize

        440KB

        MD5

        c1fda49e1bd80bd2a0578b70612d20b6

        SHA1

        4d8aabdd3e077fac524e47d4d51d6a355dcc643e

        SHA256

        231f5a17a817ee3ae8bbd40f380a2acaf858da5cb829702d21c152146da8c9d1

        SHA512

        d9428687eb60d86f9fb902581528ffed0f37f87ebd44396def4b1e69af4730d07409509472dec2df0de186eecf98cd741e7e5293f5168513d5e333110d3bb85e

      • memory/328-60-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/328-67-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/328-76-0x0000000074610000-0x0000000074BBB000-memory.dmp

        Filesize

        5.7MB

      • memory/328-65-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/328-63-0x000000000047EACE-mapping.dmp

      • memory/328-62-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/328-61-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/328-58-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/328-57-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/868-116-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/868-113-0x0000000000442628-mapping.dmp

      • memory/868-118-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/868-112-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1104-92-0x000000000047EACE-mapping.dmp

      • memory/1104-108-0x0000000000915000-0x0000000000926000-memory.dmp

        Filesize

        68KB

      • memory/1104-101-0x0000000074610000-0x0000000074BBB000-memory.dmp

        Filesize

        5.7MB

      • memory/1104-119-0x0000000000915000-0x0000000000926000-memory.dmp

        Filesize

        68KB

      • memory/1104-110-0x0000000074610000-0x0000000074BBB000-memory.dmp

        Filesize

        5.7MB

      • memory/1164-78-0x0000000074610000-0x0000000074BBB000-memory.dmp

        Filesize

        5.7MB

      • memory/1164-98-0x0000000000675000-0x0000000000686000-memory.dmp

        Filesize

        68KB

      • memory/1164-99-0x0000000074610000-0x0000000074BBB000-memory.dmp

        Filesize

        5.7MB

      • memory/1164-77-0x0000000000675000-0x0000000000686000-memory.dmp

        Filesize

        68KB

      • memory/1164-72-0x0000000000000000-mapping.dmp

      • memory/1208-69-0x0000000074610000-0x0000000074BBB000-memory.dmp

        Filesize

        5.7MB

      • memory/1208-70-0x0000000000C85000-0x0000000000C96000-memory.dmp

        Filesize

        68KB

      • memory/1208-54-0x0000000075591000-0x0000000075593000-memory.dmp

        Filesize

        8KB

      • memory/1208-56-0x0000000000C85000-0x0000000000C96000-memory.dmp

        Filesize

        68KB

      • memory/1208-55-0x0000000074610000-0x0000000074BBB000-memory.dmp

        Filesize

        5.7MB

      • memory/1716-109-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1716-107-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1716-111-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1716-103-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1716-104-0x0000000000411654-mapping.dmp