Analysis

  • max time kernel
    121s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2024, 09:27

General

  • Target

    ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe

  • Size

    1.4MB

  • MD5

    83e7ad8161455e90c7c32051be5dd529

  • SHA1

    443ffb5d55631689b0d5c43d2bd5426f2ce24e59

  • SHA256

    ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d

  • SHA512

    916a2c9e3f26b9fd6f338adee5eed101c9cb874f952c51fafbe9084ebbccb9ed84faa73d23af4afeeb41861f24553dce7f8cc8c2c19028b5a496ddf455fb3b82

  • SSDEEP

    24576:/qDEvCTbMWu7rQYlBQcBiT6rprG8aaf/49lT9X1U0da2vejCBDToJ:/TvC/MTQYxsWR7aafoe6DejCBvo

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Accesses Microsoft Outlook profiles 1 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe
    "C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Okeghem\Esher.exe
      "C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe"
        3⤵
          PID:1080
        • C:\Users\Admin\AppData\Local\Okeghem\Esher.exe
          "C:\Users\Admin\AppData\Local\Okeghem\Esher.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:3064
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Users\Admin\AppData\Local\Okeghem\Esher.exe"
            4⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:2736
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 324
            4⤵
            • Loads dropped DLL
            • Program crash
            PID:2916

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Okeghem\Esher.exe

            Filesize

            1.4MB

            MD5

            83e7ad8161455e90c7c32051be5dd529

            SHA1

            443ffb5d55631689b0d5c43d2bd5426f2ce24e59

            SHA256

            ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d

            SHA512

            916a2c9e3f26b9fd6f338adee5eed101c9cb874f952c51fafbe9084ebbccb9ed84faa73d23af4afeeb41861f24553dce7f8cc8c2c19028b5a496ddf455fb3b82

          • memory/2708-2-0x0000000001100000-0x0000000001500000-memory.dmp

            Filesize

            4.0MB

          • memory/2736-21-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/2736-27-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

            Filesize

            4KB

          • memory/2736-29-0x0000000000A70000-0x0000000000AA0000-memory.dmp

            Filesize

            192KB

          • memory/2736-31-0x0000000000B10000-0x0000000000B3E000-memory.dmp

            Filesize

            184KB

          • memory/2736-32-0x0000000073F60000-0x000000007464E000-memory.dmp

            Filesize

            6.9MB

          • memory/2736-89-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-87-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-482-0x0000000073F60000-0x000000007464E000-memory.dmp

            Filesize

            6.9MB

          • memory/2736-85-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-83-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-81-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-75-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-71-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-67-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-63-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-61-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-58-0x0000000073F60000-0x000000007464E000-memory.dmp

            Filesize

            6.9MB

          • memory/2736-56-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-52-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-40-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-38-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-36-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-34-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-33-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-93-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-91-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-80-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-77-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-73-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-69-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-65-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-59-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-54-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-50-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-48-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-46-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-44-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-42-0x0000000000B10000-0x0000000000B38000-memory.dmp

            Filesize

            160KB

          • memory/2736-30-0x0000000073F60000-0x000000007464E000-memory.dmp

            Filesize

            6.9MB

          • memory/2736-22-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/2736-19-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/2736-483-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/2736-484-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

            Filesize

            4KB

          • memory/2736-485-0x0000000073F60000-0x000000007464E000-memory.dmp

            Filesize

            6.9MB

          • memory/2736-486-0x0000000073F60000-0x000000007464E000-memory.dmp

            Filesize

            6.9MB

          • memory/2836-12-0x00000000006B0000-0x0000000000AB0000-memory.dmp

            Filesize

            4.0MB

          • memory/3064-18-0x00000000005E0000-0x00000000009E0000-memory.dmp

            Filesize

            4.0MB