Analysis

  • max time kernel
    92s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2024 11:43

General

  • Target

    f3aba98cd53c71d4d5e917e9e1fd43e3db61b46c59610eefba45b8c81f3e68ff.exe

  • Size

    3.0MB

  • MD5

    f91db36135a994d00b92ec2b1be0fca9

  • SHA1

    4219943320a7f291a4da37aed89bce5a4a09e250

  • SHA256

    f3aba98cd53c71d4d5e917e9e1fd43e3db61b46c59610eefba45b8c81f3e68ff

  • SHA512

    48ffd9c8af8019e9e3ae2a5bd479d5eb7ff815e7b9b8bf3887d8528a6e796af7d0ab17f300afadaf24cc24a2fdffd2dff73ba2062903a7f8df40c5e5521f0db9

  • SSDEEP

    49152:mwOiIXJQSGd77+om1nVr6AZxPbxlhqhMKucCuTOgVrp7vRo6JE3CGiiFlENhh4xM:mT5af+tF6UxPFlQ+KdnESGNFe4xLafv

Malware Config

Signatures

  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3aba98cd53c71d4d5e917e9e1fd43e3db61b46c59610eefba45b8c81f3e68ff.exe
    "C:\Users\Admin\AppData\Local\Temp\f3aba98cd53c71d4d5e917e9e1fd43e3db61b46c59610eefba45b8c81f3e68ff.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4124
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell set-mppreference -exclusionpath C:\
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4820
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell set-mppreference -exclusionpath C:\
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1372
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:1096
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        2⤵
          PID:3720
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          2⤵
            PID:2184
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            2⤵
              PID:2148
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              2⤵
                PID:844
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                2⤵
                  PID:880
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  2⤵
                    PID:3008
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    2⤵
                      PID:4956
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                      2⤵
                        PID:2260
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                        2⤵
                          PID:3084

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2sjoqb5q.ktr.ps1

                        Filesize

                        60B

                        MD5

                        d17fe0a3f47be24a6453e9ef58c94641

                        SHA1

                        6ab83620379fc69f80c0242105ddffd7d98d5d9d

                        SHA256

                        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                        SHA512

                        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                      • memory/1372-1119-0x00000000062F0000-0x000000000630E000-memory.dmp

                        Filesize

                        120KB

                      • memory/1372-1088-0x0000000074BA0000-0x0000000075350000-memory.dmp

                        Filesize

                        7.7MB

                      • memory/1372-1128-0x0000000007380000-0x000000000739A000-memory.dmp

                        Filesize

                        104KB

                      • memory/1372-1127-0x0000000007280000-0x0000000007294000-memory.dmp

                        Filesize

                        80KB

                      • memory/1372-1126-0x0000000007270000-0x000000000727E000-memory.dmp

                        Filesize

                        56KB

                      • memory/1372-1125-0x0000000007240000-0x0000000007251000-memory.dmp

                        Filesize

                        68KB

                      • memory/1372-1124-0x00000000072C0000-0x0000000007356000-memory.dmp

                        Filesize

                        600KB

                      • memory/1372-1123-0x00000000070B0000-0x00000000070BA000-memory.dmp

                        Filesize

                        40KB

                      • memory/1372-1122-0x0000000007040000-0x000000000705A000-memory.dmp

                        Filesize

                        104KB

                      • memory/1372-1121-0x0000000007690000-0x0000000007D0A000-memory.dmp

                        Filesize

                        6.5MB

                      • memory/1372-1089-0x0000000004F00000-0x0000000005528000-memory.dmp

                        Filesize

                        6.2MB

                      • memory/1372-1129-0x0000000007360000-0x0000000007368000-memory.dmp

                        Filesize

                        32KB

                      • memory/1372-1107-0x0000000005D50000-0x0000000005D9C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1372-1108-0x0000000006CD0000-0x0000000006D02000-memory.dmp

                        Filesize

                        200KB

                      • memory/1372-1109-0x0000000075450000-0x000000007549C000-memory.dmp

                        Filesize

                        304KB

                      • memory/1372-1106-0x0000000005D10000-0x0000000005D2E000-memory.dmp

                        Filesize

                        120KB

                      • memory/1372-1132-0x0000000074BA0000-0x0000000075350000-memory.dmp

                        Filesize

                        7.7MB

                      • memory/1372-1105-0x0000000005730000-0x0000000005A84000-memory.dmp

                        Filesize

                        3.3MB

                      • memory/1372-1092-0x0000000004C50000-0x0000000004C72000-memory.dmp

                        Filesize

                        136KB

                      • memory/1372-1094-0x0000000004DD0000-0x0000000004E36000-memory.dmp

                        Filesize

                        408KB

                      • memory/1372-1093-0x0000000004CF0000-0x0000000004D56000-memory.dmp

                        Filesize

                        408KB

                      • memory/1372-1087-0x0000000002380000-0x00000000023B6000-memory.dmp

                        Filesize

                        216KB

                      • memory/1372-1090-0x0000000074BA0000-0x0000000075350000-memory.dmp

                        Filesize

                        7.7MB

                      • memory/1372-1120-0x0000000006F10000-0x0000000006FB3000-memory.dmp

                        Filesize

                        652KB

                      • memory/4124-28-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-12-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-50-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-58-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-66-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-71-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-64-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-62-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-60-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-68-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-56-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-55-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-48-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-46-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-44-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-1083-0x0000000074BA0000-0x0000000075350000-memory.dmp

                        Filesize

                        7.7MB

                      • memory/4124-1084-0x00000000096D0000-0x000000000993E000-memory.dmp

                        Filesize

                        2.4MB

                      • memory/4124-1085-0x0000000006A30000-0x0000000006A7C000-memory.dmp

                        Filesize

                        304KB

                      • memory/4124-7-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-8-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-10-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-52-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-14-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-20-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-1095-0x0000000074BA0000-0x0000000075350000-memory.dmp

                        Filesize

                        7.7MB

                      • memory/4124-22-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-24-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-0-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

                        Filesize

                        4KB

                      • memory/4124-30-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-26-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-32-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-34-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-36-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-38-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-40-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-42-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-19-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-16-0x0000000008230000-0x000000000851D000-memory.dmp

                        Filesize

                        2.9MB

                      • memory/4124-6-0x0000000008230000-0x0000000008524000-memory.dmp

                        Filesize

                        3.0MB

                      • memory/4124-5-0x0000000005800000-0x000000000580A000-memory.dmp

                        Filesize

                        40KB

                      • memory/4124-4-0x0000000074BA0000-0x0000000075350000-memory.dmp

                        Filesize

                        7.7MB

                      • memory/4124-3-0x0000000005750000-0x00000000057E2000-memory.dmp

                        Filesize

                        584KB

                      • memory/4124-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

                        Filesize

                        5.6MB

                      • memory/4124-1-0x0000000000B90000-0x0000000000E9E000-memory.dmp

                        Filesize

                        3.1MB