Resubmissions

07-10-2024 05:31

241007-f76bwasdpf 8

07-10-2024 03:45

241007-ebh12axgna 8

07-10-2024 03:41

241007-d88ghsxflg 8

07-10-2024 03:38

241007-d7bfdstbkm 8

Analysis

  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-ja
  • resource tags

    arch:x64arch:x86image:win10-20240404-jalocale:ja-jpos:windows10-1703-x64systemwindows
  • submitted
    07-10-2024 03:41

General

  • Target

    vTHGfiwMDeoOH5a.exe

  • Size

    785KB

  • MD5

    3aa5992e9a518e4d1a7042a16b10e31d

  • SHA1

    5bce77192abbf2a71a2b19d6b00f08685f569b64

  • SHA256

    cfad352d8c9e907269c76b22b73f7a9fa47c3782c99ec48598a310a35d3bdaac

  • SHA512

    518b38137a320e3853e28496485c04c933b68ef34f4ef9b4da363711555ea70c11325d4e05d761d5a4aaa199e684e0da084e0226f319cfe3a29dc00d120fed95

  • SSDEEP

    24576:A0ixK9bqAGf89ojqUk6fT6xuBgptr6svn6v:9ixKp5NX6BBStr6svnu

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 47 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
    "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:968
    • 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\vTHGfiwMDeoOH5a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3852
    • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
      "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
      2⤵
        PID:3884
      • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
        "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2000
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 1724
        2⤵
        • Program crash
        PID:4124
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4920
      • C:\Windows\System32\IME\SHARED\imebroker.exe
        C:\Windows\System32\IME\SHARED\imebroker.exe -Embedding
        1⤵
          PID:1488
        • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
          "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
          1⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1404
          • 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\vTHGfiwMDeoOH5a.exe"
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:4100
          • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
            "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4256
        • C:\Windows\system32\mmc.exe
          "C:\Windows\system32\mmc.exe" "C:\Windows\system32\taskschd.msc" /s
          1⤵
          • Drops file in System32 directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          PID:1240
        • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
          "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
          1⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3000
          • 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\vTHGfiwMDeoOH5a.exe"
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:1172
          • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
            "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2112
        • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
          "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
          1⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4632
          • 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\vTHGfiwMDeoOH5a.exe"
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            PID:1052
          • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
            "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
            2⤵
              PID:1040
            • C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe
              "C:\Users\Admin\AppData\Local\Temp\vTHGfiwMDeoOH5a.exe"
              2⤵
                PID:4512

            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

              1c19c16e21c97ed42d5beabc93391fc5

              SHA1

              8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

              SHA256

              1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

              SHA512

              7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\vTHGfiwMDeoOH5a.exe.log

              Filesize

              2KB

              MD5

              c308175553db5f89d710dbea7527d365

              SHA1

              e5bc03f4aa2ebfaf61bcb506cd1ea212422b54e9

              SHA256

              1d0adbfebb59b1b9d8350db3a4c977b133cc8f433c52467e6ddb9aefb4fb64fb

              SHA512

              e98899f56c69a29143eb89bba887c439d6e04dd7710c9b2f0f68b747483e2a8a6ff4b10af350f7fde09c113af46970884d985287bc371f9cc571d4182ddcaf53

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

              Filesize

              18KB

              MD5

              23c5d474b11976f4f80abb1510f9270a

              SHA1

              c1cc46441882b6ae4f796ba48fe96dc8f0ac1aeb

              SHA256

              3c486a8c82d21b14b6d487a7b51fb5b8b6a529bd2dfd3ff3d066a9231b89a86b

              SHA512

              4c4f11760efb36999a507fdf03d0210d7983350ba69869436ea7a8e69ecfe66787e89d91e92cdd6fe676a684816d5e5608116935d72c2b08033187f136f0278e

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

              Filesize

              18KB

              MD5

              d5c231e924dd74d15945eb09dfb2a882

              SHA1

              4c5000a6b8f65827849d31735df241f0c6b2cbd0

              SHA256

              78a1a82bb0cb7ee1d865de9f04d87d45240106cd75b9936b1d192650b9ab6c5f

              SHA512

              b4607e33efe6bedba23e1c59ee2ddb3f08a525b5eaa290f02e2a11b832c04b5af8b0e330fb387b13da424854e08f3d9bd7225161d8b1485c28010918e5102f10

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

              Filesize

              18KB

              MD5

              12a8167ed2df148434b9020b985ceae2

              SHA1

              add094af9e3de06d718770805ba16c1b2c97bef9

              SHA256

              442018d0e7e0f27e9bea58592300be65fcf05b39c1417693710db45182c5174c

              SHA512

              9b25074c478d1202abb3d71a1df8a4a86ffbef0ccc6f54205b2fdee36b05853e03b0e4593779e7eded42ad6ae6706013489ad79029c26424cb9eae92a2871604

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2y1zbc2v.qck.ps1

              Filesize

              1B

              MD5

              c4ca4238a0b923820dcc509a6f75849b

              SHA1

              356a192b7913b04c54574d18c28d46e6395428ab

              SHA256

              6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

              SHA512

              4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

            • memory/968-10-0x0000000009B00000-0x0000000009B0A000-memory.dmp

              Filesize

              40KB

            • memory/968-5-0x00000000053B0000-0x00000000053C8000-memory.dmp

              Filesize

              96KB

            • memory/968-8-0x0000000006900000-0x000000000698E000-memory.dmp

              Filesize

              568KB

            • memory/968-9-0x00000000090C0000-0x000000000915C000-memory.dmp

              Filesize

              624KB

            • memory/968-6-0x0000000073CEE000-0x0000000073CEF000-memory.dmp

              Filesize

              4KB

            • memory/968-274-0x00000000053D0000-0x00000000053E0000-memory.dmp

              Filesize

              64KB

            • memory/968-16-0x0000000006830000-0x0000000006842000-memory.dmp

              Filesize

              72KB

            • memory/968-7-0x0000000073CE0000-0x00000000743CE000-memory.dmp

              Filesize

              6.9MB

            • memory/968-4-0x00000000052A0000-0x0000000005332000-memory.dmp

              Filesize

              584KB

            • memory/968-0-0x0000000073CEE000-0x0000000073CEF000-memory.dmp

              Filesize

              4KB

            • memory/968-18-0x00000000053D0000-0x00000000053E0000-memory.dmp

              Filesize

              64KB

            • memory/968-3-0x00000000058E0000-0x0000000005DDE000-memory.dmp

              Filesize

              5.0MB

            • memory/968-2-0x0000000073CE0000-0x00000000743CE000-memory.dmp

              Filesize

              6.9MB

            • memory/968-1-0x0000000000820000-0x00000000008EA000-memory.dmp

              Filesize

              808KB

            • memory/968-703-0x0000000073CE0000-0x00000000743CE000-memory.dmp

              Filesize

              6.9MB

            • memory/1052-947-0x0000000008A40000-0x0000000008A8B000-memory.dmp

              Filesize

              300KB

            • memory/1052-964-0x0000000070A80000-0x0000000070ACB000-memory.dmp

              Filesize

              300KB

            • memory/1052-945-0x00000000081F0000-0x0000000008540000-memory.dmp

              Filesize

              3.3MB

            • memory/1052-969-0x0000000009E90000-0x0000000009F35000-memory.dmp

              Filesize

              660KB

            • memory/1172-709-0x0000000007C00000-0x0000000007C4B000-memory.dmp

              Filesize

              300KB

            • memory/1172-731-0x0000000009040000-0x00000000090E5000-memory.dmp

              Filesize

              660KB

            • memory/1172-707-0x0000000007610000-0x0000000007960000-memory.dmp

              Filesize

              3.3MB

            • memory/1172-726-0x000000006DB70000-0x000000006DBBB000-memory.dmp

              Filesize

              300KB

            • memory/1240-292-0x000000001D6B0000-0x000000001D7BE000-memory.dmp

              Filesize

              1.1MB

            • memory/1240-325-0x000000001DAE0000-0x000000001DB02000-memory.dmp

              Filesize

              136KB

            • memory/1240-320-0x000000001DC40000-0x000000001DDE6000-memory.dmp

              Filesize

              1.6MB

            • memory/1240-307-0x000000001D500000-0x000000001D50E000-memory.dmp

              Filesize

              56KB

            • memory/1240-470-0x0000000005230000-0x0000000005240000-memory.dmp

              Filesize

              64KB

            • memory/2000-11-0x0000000000400000-0x0000000000447000-memory.dmp

              Filesize

              284KB

            • memory/2000-273-0x0000000000400000-0x0000000000447000-memory.dmp

              Filesize

              284KB

            • memory/2000-275-0x0000000000400000-0x0000000000447000-memory.dmp

              Filesize

              284KB

            • memory/2000-17-0x0000000000400000-0x0000000000447000-memory.dmp

              Filesize

              284KB

            • memory/3852-19-0x0000000073CEE000-0x0000000073CEF000-memory.dmp

              Filesize

              4KB

            • memory/3852-27-0x0000000007840000-0x0000000007B90000-memory.dmp

              Filesize

              3.3MB

            • memory/3852-256-0x00000000092D0000-0x00000000092D8000-memory.dmp

              Filesize

              32KB

            • memory/3852-251-0x0000000009330000-0x000000000934A000-memory.dmp

              Filesize

              104KB

            • memory/3852-58-0x00000000093D0000-0x0000000009464000-memory.dmp

              Filesize

              592KB

            • memory/3852-57-0x00000000092E0000-0x0000000009330000-memory.dmp

              Filesize

              320KB

            • memory/3852-56-0x0000000009170000-0x0000000009215000-memory.dmp

              Filesize

              660KB

            • memory/3852-51-0x0000000009060000-0x000000000907E000-memory.dmp

              Filesize

              120KB

            • memory/3852-49-0x00000000090A0000-0x00000000090D3000-memory.dmp

              Filesize

              204KB

            • memory/3852-50-0x000000006C0E0000-0x000000006C12B000-memory.dmp

              Filesize

              300KB

            • memory/3852-32-0x0000000007FD0000-0x0000000008046000-memory.dmp

              Filesize

              472KB

            • memory/3852-15-0x0000000000E50000-0x0000000000E86000-memory.dmp

              Filesize

              216KB

            • memory/3852-31-0x0000000007BD0000-0x0000000007C1B000-memory.dmp

              Filesize

              300KB

            • memory/3852-20-0x0000000007000000-0x0000000007628000-memory.dmp

              Filesize

              6.2MB

            • memory/3852-30-0x0000000006FC0000-0x0000000006FDC000-memory.dmp

              Filesize

              112KB

            • memory/3852-21-0x0000000073CE0000-0x00000000743CE000-memory.dmp

              Filesize

              6.9MB

            • memory/3852-22-0x0000000073CE0000-0x00000000743CE000-memory.dmp

              Filesize

              6.9MB

            • memory/3852-29-0x0000000007CA0000-0x0000000007DAE000-memory.dmp

              Filesize

              1.1MB

            • memory/3852-28-0x0000000006E20000-0x0000000006E30000-memory.dmp

              Filesize

              64KB

            • memory/3852-272-0x0000000073CE0000-0x00000000743CE000-memory.dmp

              Filesize

              6.9MB

            • memory/3852-26-0x0000000006EB0000-0x0000000006F16000-memory.dmp

              Filesize

              408KB

            • memory/3852-25-0x0000000006E40000-0x0000000006EA6000-memory.dmp

              Filesize

              408KB

            • memory/3852-24-0x0000000006DA0000-0x0000000006DC2000-memory.dmp

              Filesize

              136KB

            • memory/3852-23-0x0000000006B40000-0x0000000006BD2000-memory.dmp

              Filesize

              584KB

            • memory/4100-492-0x00000000099F0000-0x0000000009A95000-memory.dmp

              Filesize

              660KB

            • memory/4100-487-0x000000006C930000-0x000000006C97B000-memory.dmp

              Filesize

              300KB

            • memory/4100-445-0x0000000008530000-0x000000000857B000-memory.dmp

              Filesize

              300KB

            • memory/4100-443-0x0000000007D50000-0x00000000080A0000-memory.dmp

              Filesize

              3.3MB