Analysis

  • max time kernel
    152s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 09:44

General

  • Target

    f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17.exe

  • Size

    552KB

  • MD5

    72e2760bbb11ff9a84fe8a20bf7744e7

  • SHA1

    7ca4427aa83f2edc11c015d9e57638b90752d5c4

  • SHA256

    f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17

  • SHA512

    9c303d9a5fce18cbb6369182807cdee0d7c639e376368cdd5bdef4445ae703145c7c10f3bdadc36e1fc34f4feea26a6f421c090be98cb398ebeaff95fe516954

  • SSDEEP

    12288:SLffrhDZGejICryEyZn0KF6HBCrCROICFxpF8/afv0DNzp1kIktZakN:qT1I30KF6HBCOOnxpF8Cfv09p1kIktZJ

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 13 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17.exe
    "C:\Users\Admin\AppData\Local\Temp\f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17.exe
      "C:\Users\Admin\AppData\Local\Temp\f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1524
      • 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:944
      • 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"
        3⤵
          PID:1312
      • C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1948
        • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:432
          • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe"
            4⤵
            • Executes dropped EXE
            PID:672

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe

      Filesize

      552KB

      MD5

      72e2760bbb11ff9a84fe8a20bf7744e7

      SHA1

      7ca4427aa83f2edc11c015d9e57638b90752d5c4

      SHA256

      f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17

      SHA512

      9c303d9a5fce18cbb6369182807cdee0d7c639e376368cdd5bdef4445ae703145c7c10f3bdadc36e1fc34f4feea26a6f421c090be98cb398ebeaff95fe516954

    • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe

      Filesize

      552KB

      MD5

      72e2760bbb11ff9a84fe8a20bf7744e7

      SHA1

      7ca4427aa83f2edc11c015d9e57638b90752d5c4

      SHA256

      f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17

      SHA512

      9c303d9a5fce18cbb6369182807cdee0d7c639e376368cdd5bdef4445ae703145c7c10f3bdadc36e1fc34f4feea26a6f421c090be98cb398ebeaff95fe516954

    • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe

      Filesize

      552KB

      MD5

      72e2760bbb11ff9a84fe8a20bf7744e7

      SHA1

      7ca4427aa83f2edc11c015d9e57638b90752d5c4

      SHA256

      f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17

      SHA512

      9c303d9a5fce18cbb6369182807cdee0d7c639e376368cdd5bdef4445ae703145c7c10f3bdadc36e1fc34f4feea26a6f421c090be98cb398ebeaff95fe516954

    • C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe

      Filesize

      12KB

      MD5

      44142d1a1edc973dd0142a910a120380

      SHA1

      dc6cd08cb56b4b500d718418f5ba2d68c10890a2

      SHA256

      645b339f8e74b96c421aa876d3d7a56419051024e9ac29c378679b387e6204a8

      SHA512

      89af39ba1e0f4ce67921259e48ac6e1e410f49d8cd4523a40964f1d14f3a3093bb86890c6ad2a172f35029cdba33b420e46197da37a6e5c464f1c004abeb0d08

    • C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe

      Filesize

      12KB

      MD5

      44142d1a1edc973dd0142a910a120380

      SHA1

      dc6cd08cb56b4b500d718418f5ba2d68c10890a2

      SHA256

      645b339f8e74b96c421aa876d3d7a56419051024e9ac29c378679b387e6204a8

      SHA512

      89af39ba1e0f4ce67921259e48ac6e1e410f49d8cd4523a40964f1d14f3a3093bb86890c6ad2a172f35029cdba33b420e46197da37a6e5c464f1c004abeb0d08

    • \Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe

      Filesize

      552KB

      MD5

      72e2760bbb11ff9a84fe8a20bf7744e7

      SHA1

      7ca4427aa83f2edc11c015d9e57638b90752d5c4

      SHA256

      f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17

      SHA512

      9c303d9a5fce18cbb6369182807cdee0d7c639e376368cdd5bdef4445ae703145c7c10f3bdadc36e1fc34f4feea26a6f421c090be98cb398ebeaff95fe516954

    • \Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe

      Filesize

      552KB

      MD5

      72e2760bbb11ff9a84fe8a20bf7744e7

      SHA1

      7ca4427aa83f2edc11c015d9e57638b90752d5c4

      SHA256

      f6a425454fa9c668f5bfabc52d505b267a0efbd36149e92dab8d9b4ae1035e17

      SHA512

      9c303d9a5fce18cbb6369182807cdee0d7c639e376368cdd5bdef4445ae703145c7c10f3bdadc36e1fc34f4feea26a6f421c090be98cb398ebeaff95fe516954

    • \Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe

      Filesize

      12KB

      MD5

      44142d1a1edc973dd0142a910a120380

      SHA1

      dc6cd08cb56b4b500d718418f5ba2d68c10890a2

      SHA256

      645b339f8e74b96c421aa876d3d7a56419051024e9ac29c378679b387e6204a8

      SHA512

      89af39ba1e0f4ce67921259e48ac6e1e410f49d8cd4523a40964f1d14f3a3093bb86890c6ad2a172f35029cdba33b420e46197da37a6e5c464f1c004abeb0d08

    • memory/432-82-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/432-77-0x0000000000000000-mapping.dmp

    • memory/432-107-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/672-90-0x000000000047EA6E-mapping.dmp

    • memory/672-108-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/672-97-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/944-103-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/944-105-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/944-99-0x0000000000411654-mapping.dmp

    • memory/944-98-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/944-115-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1312-110-0x0000000000442628-mapping.dmp

    • memory/1312-109-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1312-113-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1312-114-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1312-117-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1312-119-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1524-69-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/1524-65-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1524-57-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1524-100-0x0000000000BE5000-0x0000000000BF6000-memory.dmp

      Filesize

      68KB

    • memory/1524-116-0x0000000000BE5000-0x0000000000BF6000-memory.dmp

      Filesize

      68KB

    • memory/1524-104-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/1524-58-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1524-60-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1524-67-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1524-61-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1524-63-0x000000000047EA6E-mapping.dmp

    • memory/1524-62-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/1948-81-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/1948-106-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/1948-71-0x0000000000000000-mapping.dmp

    • memory/1968-54-0x0000000075521000-0x0000000075523000-memory.dmp

      Filesize

      8KB

    • memory/1968-80-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/1968-56-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB

    • memory/1968-55-0x00000000745A0000-0x0000000074B4B000-memory.dmp

      Filesize

      5.7MB