Analysis

  • max time kernel
    175s
  • max time network
    206s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-07-2022 04:26

General

  • Target

    480f3b78f4b7673d5c20fa9f1a7a85fd6a982bada97f9a79f92885b313b5c5fe.exe

  • Size

    995KB

  • MD5

    3d937c27883d24e31fc90cde09fab6ab

  • SHA1

    ca793a183989f3efbf1e45d84799024b97193660

  • SHA256

    480f3b78f4b7673d5c20fa9f1a7a85fd6a982bada97f9a79f92885b313b5c5fe

  • SHA512

    3c96714ba1fc004acba679d6bca87d2c32504a052cff55450999f5f793e4890cc113d7e41d8efe2a7722eadd88fd2d34d0f879c92f4f4dad19e5e7c3bcaad377

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 1 IoCs

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

  • Suspicious use of SetThreadContext 3 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\480f3b78f4b7673d5c20fa9f1a7a85fd6a982bada97f9a79f92885b313b5c5fe.exe
    "C:\Users\Admin\AppData\Local\Temp\480f3b78f4b7673d5c20fa9f1a7a85fd6a982bada97f9a79f92885b313b5c5fe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\480f3b78f4b7673d5c20fa9f1a7a85fd6a982bada97f9a79f92885b313b5c5fe.exe" "C:\Users\Admin\Desktop\project3319.exe"
      2⤵
        PID:3868
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\Desktop\project3319.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2708
        • C:\Users\Admin\Desktop\project3319.exe
          "C:\Users\Admin\Desktop\project3319.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:320
          • C:\Users\Admin\Desktop\project3319.exe
            "C:\Users\Admin\Desktop\project3319.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1888
            • 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:4412
            • 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⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4804

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • C:\Users\Admin\Desktop\project3319.exe

      Filesize

      995KB

      MD5

      3d937c27883d24e31fc90cde09fab6ab

      SHA1

      ca793a183989f3efbf1e45d84799024b97193660

      SHA256

      480f3b78f4b7673d5c20fa9f1a7a85fd6a982bada97f9a79f92885b313b5c5fe

      SHA512

      3c96714ba1fc004acba679d6bca87d2c32504a052cff55450999f5f793e4890cc113d7e41d8efe2a7722eadd88fd2d34d0f879c92f4f4dad19e5e7c3bcaad377

    • C:\Users\Admin\Desktop\project3319.exe

      Filesize

      995KB

      MD5

      3d937c27883d24e31fc90cde09fab6ab

      SHA1

      ca793a183989f3efbf1e45d84799024b97193660

      SHA256

      480f3b78f4b7673d5c20fa9f1a7a85fd6a982bada97f9a79f92885b313b5c5fe

      SHA512

      3c96714ba1fc004acba679d6bca87d2c32504a052cff55450999f5f793e4890cc113d7e41d8efe2a7722eadd88fd2d34d0f879c92f4f4dad19e5e7c3bcaad377

    • C:\Users\Admin\Desktop\project3319.exe

      Filesize

      995KB

      MD5

      3d937c27883d24e31fc90cde09fab6ab

      SHA1

      ca793a183989f3efbf1e45d84799024b97193660

      SHA256

      480f3b78f4b7673d5c20fa9f1a7a85fd6a982bada97f9a79f92885b313b5c5fe

      SHA512

      3c96714ba1fc004acba679d6bca87d2c32504a052cff55450999f5f793e4890cc113d7e41d8efe2a7722eadd88fd2d34d0f879c92f4f4dad19e5e7c3bcaad377

    • memory/320-139-0x0000000005930000-0x00000000059CC000-memory.dmp

      Filesize

      624KB

    • memory/1888-143-0x0000000000770000-0x00000000007F4000-memory.dmp

      Filesize

      528KB

    • memory/1888-144-0x0000000004FB0000-0x0000000005006000-memory.dmp

      Filesize

      344KB

    • memory/1888-145-0x0000000000A00000-0x0000000000A66000-memory.dmp

      Filesize

      408KB

    • memory/4228-131-0x0000000005960000-0x0000000005F04000-memory.dmp

      Filesize

      5.6MB

    • memory/4228-133-0x0000000005920000-0x000000000592A000-memory.dmp

      Filesize

      40KB

    • memory/4228-132-0x00000000053B0000-0x0000000005442000-memory.dmp

      Filesize

      584KB

    • memory/4228-130-0x0000000000860000-0x0000000000962000-memory.dmp

      Filesize

      1.0MB

    • memory/4412-149-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4412-150-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4412-147-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4804-152-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4804-154-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4804-155-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4804-157-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB