Resubmissions

04/10/2024, 09:12

241004-k6awsszfjg 10

02/10/2024, 16:19

241002-tshtxsyhrc 8

02/10/2024, 15:59

241002-te38psvdmk 8

Analysis

  • max time kernel
    90s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 16:19

General

  • Target

    見積依頼.exe

  • Size

    618KB

  • MD5

    d506d6578b57ed67971d049b10b8a2e2

  • SHA1

    a58908b4c28b42d1f028466bfc6709a759304904

  • SHA256

    89f6b4e8f4a3ec1fe146f806e4d4ba625a5d3e40d965018184a209d21721192a

  • SHA512

    fc668df4a11cdf5a37e2bbfb672948b8b78fbc57ddeb5dd51ce2034343a0f1d35958ea2e8fddfc4f4aa5591590eeff04d120cac038ee83a7b12c4a57e0bf1c28

  • SSDEEP

    12288:zLuWTG4mCjWA8oPPu8+FRgzYOivHm4o8b/wIVpGPEwkNB9Se:PNTChUu8AR1Q4Tb4IHNB9S

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\見積依頼.exe
    "C:\Users\Admin\AppData\Local\Temp\見積依頼.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\見積依頼.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1208
      2⤵
      • Program crash
      PID:3248
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4916 -ip 4916
      1⤵
        PID:1536
      • C:\Users\Admin\AppData\Local\Temp\見積依頼.exe
        "C:\Users\Admin\AppData\Local\Temp\見積依頼.exe"
        1⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3956
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\見積依頼.exe"
          2⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3956 -s 1208
          2⤵
          • Program crash
          PID:2868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3956 -ip 3956
        1⤵
          PID:4028

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

                Filesize

                2KB

                MD5

                3d086a433708053f9bf9523e1d87a4e8

                SHA1

                b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

                SHA256

                6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

                SHA512

                931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

              • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                Filesize

                18KB

                MD5

                be5009c80c7a8c9c8f4fab71780e62bf

                SHA1

                b7bc1d36121160f6a801b586c3ebb5fe6978d1ba

                SHA256

                4a2201446823e3b79c887c785ef0cde0e3309a8070b5b199364dae11f81652b3

                SHA512

                15fe6156658f4c74ca25f49e9de5da05c6e4862564917cd1ab1545661eb64cb0c31b973a8d61d72e0ea493cb90d61151d0a819fa62baf57a0a45aeddb0be25c9

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o1c3hgi0.rpq.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • memory/1072-84-0x00000000074C0000-0x00000000074D4000-memory.dmp

                Filesize

                80KB

              • memory/1072-83-0x0000000007480000-0x0000000007491000-memory.dmp

                Filesize

                68KB

              • memory/1072-73-0x000000006EC60000-0x000000006ECAC000-memory.dmp

                Filesize

                304KB

              • memory/1072-72-0x0000000005FE0000-0x000000000602C000-memory.dmp

                Filesize

                304KB

              • memory/1072-61-0x00000000058A0000-0x0000000005BF4000-memory.dmp

                Filesize

                3.3MB

              • memory/4276-44-0x0000000006B60000-0x0000000006B7E000-memory.dmp

                Filesize

                120KB

              • memory/4276-33-0x000000006EE10000-0x000000006EE5C000-memory.dmp

                Filesize

                304KB

              • memory/4276-59-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4276-11-0x0000000002CB0000-0x0000000002CE6000-memory.dmp

                Filesize

                216KB

              • memory/4276-12-0x0000000005890000-0x0000000005EB8000-memory.dmp

                Filesize

                6.2MB

              • memory/4276-13-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4276-14-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4276-15-0x0000000005720000-0x0000000005742000-memory.dmp

                Filesize

                136KB

              • memory/4276-16-0x00000000057C0000-0x0000000005826000-memory.dmp

                Filesize

                408KB

              • memory/4276-17-0x0000000005FB0000-0x0000000006016000-memory.dmp

                Filesize

                408KB

              • memory/4276-18-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4276-55-0x0000000007C50000-0x0000000007C6A000-memory.dmp

                Filesize

                104KB

              • memory/4276-28-0x0000000006020000-0x0000000006374000-memory.dmp

                Filesize

                3.3MB

              • memory/4276-29-0x00000000065F0000-0x000000000660E000-memory.dmp

                Filesize

                120KB

              • memory/4276-30-0x0000000006680000-0x00000000066CC000-memory.dmp

                Filesize

                304KB

              • memory/4276-56-0x0000000007C30000-0x0000000007C38000-memory.dmp

                Filesize

                32KB

              • memory/4276-54-0x0000000007B50000-0x0000000007B64000-memory.dmp

                Filesize

                80KB

              • memory/4276-45-0x00000000078A0000-0x0000000007943000-memory.dmp

                Filesize

                652KB

              • memory/4276-42-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4276-53-0x0000000007B40000-0x0000000007B4E000-memory.dmp

                Filesize

                56KB

              • memory/4276-46-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4276-32-0x0000000006B20000-0x0000000006B52000-memory.dmp

                Filesize

                200KB

              • memory/4276-47-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4276-49-0x0000000006CB0000-0x0000000006CCA000-memory.dmp

                Filesize

                104KB

              • memory/4276-48-0x0000000007FD0000-0x000000000864A000-memory.dmp

                Filesize

                6.5MB

              • memory/4276-50-0x0000000007980000-0x000000000798A000-memory.dmp

                Filesize

                40KB

              • memory/4276-51-0x0000000007B90000-0x0000000007C26000-memory.dmp

                Filesize

                600KB

              • memory/4276-52-0x0000000007B10000-0x0000000007B21000-memory.dmp

                Filesize

                68KB

              • memory/4916-9-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4916-0-0x000000007472E000-0x000000007472F000-memory.dmp

                Filesize

                4KB

              • memory/4916-31-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4916-8-0x000000007472E000-0x000000007472F000-memory.dmp

                Filesize

                4KB

              • memory/4916-10-0x00000000062D0000-0x0000000006338000-memory.dmp

                Filesize

                416KB

              • memory/4916-7-0x0000000006910000-0x000000000692A000-memory.dmp

                Filesize

                104KB

              • memory/4916-4-0x0000000005210000-0x000000000521A000-memory.dmp

                Filesize

                40KB

              • memory/4916-5-0x0000000074720000-0x0000000074ED0000-memory.dmp

                Filesize

                7.7MB

              • memory/4916-6-0x00000000052F0000-0x000000000538C000-memory.dmp

                Filesize

                624KB

              • memory/4916-3-0x0000000005070000-0x0000000005102000-memory.dmp

                Filesize

                584KB

              • memory/4916-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

                Filesize

                5.6MB

              • memory/4916-1-0x00000000005E0000-0x0000000000680000-memory.dmp

                Filesize

                640KB