Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 05:02

General

  • Target

    0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe

  • Size

    540KB

  • MD5

    367543714fedbca9ecef7c320bc68a34

  • SHA1

    8b0db5188606c474343a3cf72039a32d4a813ac7

  • SHA256

    0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8

  • SHA512

    80f7954c0e1ca402bd77029e186808b2ac60a50e62b1c76e9c580284db5f4ba846931250aff15427cf8fb45467a45356fc95e67b1fa620e5491eecb3e2cdd3eb

  • SSDEEP

    6144:kumGBBbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9UDH:/QtqB5urTIoYWBQk1E+VF9mOx9U1V

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 13 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 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
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe
    "C:\Users\Admin\AppData\Local\Temp\0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1936
      • 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:900
      • 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:1616

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      102B

      MD5

      449eda2e2efb565a1f5d97a677e269a4

      SHA1

      d3e4852a68926b79573c03702d4f7331182e66ba

      SHA256

      54e077ab8fa6dead86eb025581fc601d42671e2a4acac4d47069a7076c80743d

      SHA512

      a0adfebb17ece0bc2505baece6896e3bc53e0dbb6737371fb18547baf7e9bbd480f42e1b180db7025262a8bf7499609bb106c03b726aff2a39ace5f3211d5be8

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

      Filesize

      540KB

      MD5

      367543714fedbca9ecef7c320bc68a34

      SHA1

      8b0db5188606c474343a3cf72039a32d4a813ac7

      SHA256

      0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8

      SHA512

      80f7954c0e1ca402bd77029e186808b2ac60a50e62b1c76e9c580284db5f4ba846931250aff15427cf8fb45467a45356fc95e67b1fa620e5491eecb3e2cdd3eb

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

      Filesize

      540KB

      MD5

      367543714fedbca9ecef7c320bc68a34

      SHA1

      8b0db5188606c474343a3cf72039a32d4a813ac7

      SHA256

      0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8

      SHA512

      80f7954c0e1ca402bd77029e186808b2ac60a50e62b1c76e9c580284db5f4ba846931250aff15427cf8fb45467a45356fc95e67b1fa620e5491eecb3e2cdd3eb

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

      Filesize

      540KB

      MD5

      367543714fedbca9ecef7c320bc68a34

      SHA1

      8b0db5188606c474343a3cf72039a32d4a813ac7

      SHA256

      0d06dfdabb34c5d9fb8b453fc2f549af18688f025e5c719c388e234726912fd8

      SHA512

      80f7954c0e1ca402bd77029e186808b2ac60a50e62b1c76e9c580284db5f4ba846931250aff15427cf8fb45467a45356fc95e67b1fa620e5491eecb3e2cdd3eb

    • memory/900-67-0x0000000000411654-mapping.dmp

    • memory/900-66-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/900-73-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/900-72-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/900-70-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1504-56-0x0000000074C70000-0x000000007521B000-memory.dmp

      Filesize

      5.7MB

    • memory/1504-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

      Filesize

      8KB

    • memory/1504-55-0x0000000074C70000-0x000000007521B000-memory.dmp

      Filesize

      5.7MB

    • memory/1504-62-0x0000000074C70000-0x000000007521B000-memory.dmp

      Filesize

      5.7MB

    • memory/1616-80-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1616-78-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1616-79-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1616-74-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1616-75-0x0000000000442628-mapping.dmp

    • memory/1936-65-0x0000000074C70000-0x000000007521B000-memory.dmp

      Filesize

      5.7MB

    • memory/1936-71-0x0000000002055000-0x0000000002066000-memory.dmp

      Filesize

      68KB

    • memory/1936-58-0x0000000000000000-mapping.dmp

    • memory/1936-63-0x0000000074C70000-0x000000007521B000-memory.dmp

      Filesize

      5.7MB

    • memory/1936-82-0x0000000002055000-0x0000000002066000-memory.dmp

      Filesize

      68KB