Analysis

  • max time kernel
    89s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 15:43

General

  • Target

    798723de8795b8cae4ee2286ebb9e1b4c7916ae46fda8a63c691bb23debdba7f.exe

  • Size

    1.4MB

  • MD5

    4257b2dbf6dce34b6cc71497db99212a

  • SHA1

    e5361540379475f036d706de5b91de3d9c56f1fa

  • SHA256

    798723de8795b8cae4ee2286ebb9e1b4c7916ae46fda8a63c691bb23debdba7f

  • SHA512

    610591a9444662d30ff2356bf35a9068577fb87b70485ee20947dc222c0540026935c64801ac95219660ddd491b49d8feec6cbf48e68aabfc1d628042b84bcce

  • SSDEEP

    24576:uQOWlP6XjrM7ah6ia/xertxa++7dqwaUrYkf8OnOL7CZb2cSmq:bVlP2jh6irrtxD+vxrr2Lxmq

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 10 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 15 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 3 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\798723de8795b8cae4ee2286ebb9e1b4c7916ae46fda8a63c691bb23debdba7f.exe
    "C:\Users\Admin\AppData\Local\Temp\798723de8795b8cae4ee2286ebb9e1b4c7916ae46fda8a63c691bb23debdba7f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Users\Admin\AppData\Local\Temp\notepad .exe
      "C:\Users\Admin\AppData\Local\Temp\notepad .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 SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1728
      • 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:1516
      • 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⤵
          PID:980

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Local\Temp\notepad .exe

      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • C:\Users\Admin\AppData\Local\Temp\notepad .exe

      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • \Users\Admin\AppData\Local\Temp\notepad .exe

      Filesize

      52KB

      MD5

      278edbd499374bf73621f8c1f969d894

      SHA1

      a81170af14747781c5f5f51bb1215893136f0bc0

      SHA256

      c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

      SHA512

      93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

    • memory/580-54-0x0000000075931000-0x0000000075933000-memory.dmp

      Filesize

      8KB

    • memory/580-71-0x0000000074770000-0x0000000074D1B000-memory.dmp

      Filesize

      5.7MB

    • memory/980-87-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/980-83-0x0000000000442628-mapping.dmp

    • memory/980-82-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/980-86-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1516-81-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1516-80-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1516-74-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1516-78-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1516-75-0x0000000000411654-mapping.dmp

    • memory/1728-62-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB

    • memory/1728-73-0x0000000074770000-0x0000000074D1B000-memory.dmp

      Filesize

      5.7MB

    • memory/1728-72-0x0000000074770000-0x0000000074D1B000-memory.dmp

      Filesize

      5.7MB

    • memory/1728-79-0x00000000003A5000-0x00000000003B6000-memory.dmp

      Filesize

      68KB

    • memory/1728-68-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB

    • memory/1728-66-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB

    • memory/1728-63-0x00000000004859AE-mapping.dmp

    • memory/1728-61-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB

    • memory/1728-59-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB

    • memory/1728-57-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB

    • memory/1728-56-0x0000000000400000-0x000000000048C000-memory.dmp

      Filesize

      560KB

    • memory/1728-89-0x00000000003A5000-0x00000000003B6000-memory.dmp

      Filesize

      68KB