Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/06/2023, 12:48

General

  • Target

    zxcvb.exe

  • Size

    2.0MB

  • MD5

    69773ff9cddbe895d0c1a7c381e15d81

  • SHA1

    15a2796b6b77bd1f03eb0a30cfeb7e3c2f0a0631

  • SHA256

    fc6ddb1f7644597b84d14e3efa4cd1a1d1ad0083141b3fa2a613cd3c092f6505

  • SHA512

    550f9e02a7f1a1dc3734ba0d86940c2b298cee5890801aeba4f738bb306cdc717a6ecad34e2ebd2c3ac1b0151f2acae7131388f999a30ab9b914c3707a35544e

  • SSDEEP

    49152:NZVlrVqLTyYBYTKiJHZ+guvLN09WIfw8eZrjwMmPK:7hIGKiJk7LN09WKOdMMmy

Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3176
      • C:\Users\Admin\AppData\Local\Temp\zxcvb.exe
        "C:\Users\Admin\AppData\Local\Temp\zxcvb.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:992
        • C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe
          "C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3048
          • C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe
            C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1772
        • C:\Users\Admin\AppData\Local\Temp\zxcvb.exe
          C:\Users\Admin\AppData\Local\Temp\zxcvb.exe
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4760
      • C:\Windows\system32\certreq.exe
        "C:\Windows\system32\certreq.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • outlook_office_path
        • outlook_win_path
        PID:2216
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAA==
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4044
    • C:\Users\Admin\AppData\Local\EventProvider\crctqful\CanReuseTransform.exe
      C:\Users\Admin\AppData\Local\EventProvider\crctqful\CanReuseTransform.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4312
      • C:\Users\Admin\AppData\Local\EventProvider\crctqful\CanReuseTransform.exe
        C:\Users\Admin\AppData\Local\EventProvider\crctqful\CanReuseTransform.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4556

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\EventProvider\crctqful\CanReuseTransform.exe

            Filesize

            1.2MB

            MD5

            fc6f64c6b52d80c505cc7d6f04d0952e

            SHA1

            1c472c2ceb83bfcd5adc6770e35594a5b0ec5390

            SHA256

            c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040

            SHA512

            cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c

          • C:\Users\Admin\AppData\Local\EventProvider\crctqful\CanReuseTransform.exe

            Filesize

            1.2MB

            MD5

            fc6f64c6b52d80c505cc7d6f04d0952e

            SHA1

            1c472c2ceb83bfcd5adc6770e35594a5b0ec5390

            SHA256

            c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040

            SHA512

            cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c

          • C:\Users\Admin\AppData\Local\EventProvider\crctqful\CanReuseTransform.exe

            Filesize

            1.2MB

            MD5

            fc6f64c6b52d80c505cc7d6f04d0952e

            SHA1

            1c472c2ceb83bfcd5adc6770e35594a5b0ec5390

            SHA256

            c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040

            SHA512

            cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c

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

            Filesize

            1016B

            MD5

            9150c8f2f2f60368a855cffc9a0fcbb9

            SHA1

            9853f7510a5cf97309ca7af5143b89524951f18b

            SHA256

            863bc8477754f103fb8917734952698cfd8c718c6286a4a093cda340e1248c57

            SHA512

            caf0399e9162372dbd6121ac312bdf532248be03fcf59cb798e61d1cbdc2468835f0ea68a56d81c95673713c503743cc1defbf3f06f4cee5e65a2f280aaa6228

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

            Filesize

            1016B

            MD5

            9150c8f2f2f60368a855cffc9a0fcbb9

            SHA1

            9853f7510a5cf97309ca7af5143b89524951f18b

            SHA256

            863bc8477754f103fb8917734952698cfd8c718c6286a4a093cda340e1248c57

            SHA512

            caf0399e9162372dbd6121ac312bdf532248be03fcf59cb798e61d1cbdc2468835f0ea68a56d81c95673713c503743cc1defbf3f06f4cee5e65a2f280aaa6228

          • C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe

            Filesize

            1.2MB

            MD5

            fc6f64c6b52d80c505cc7d6f04d0952e

            SHA1

            1c472c2ceb83bfcd5adc6770e35594a5b0ec5390

            SHA256

            c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040

            SHA512

            cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c

          • C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe

            Filesize

            1.2MB

            MD5

            fc6f64c6b52d80c505cc7d6f04d0952e

            SHA1

            1c472c2ceb83bfcd5adc6770e35594a5b0ec5390

            SHA256

            c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040

            SHA512

            cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c

          • C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe

            Filesize

            1.2MB

            MD5

            fc6f64c6b52d80c505cc7d6f04d0952e

            SHA1

            1c472c2ceb83bfcd5adc6770e35594a5b0ec5390

            SHA256

            c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040

            SHA512

            cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c

          • C:\Users\Admin\AppData\Local\Temp\BLIrlccnw.exe

            Filesize

            1.2MB

            MD5

            fc6f64c6b52d80c505cc7d6f04d0952e

            SHA1

            1c472c2ceb83bfcd5adc6770e35594a5b0ec5390

            SHA256

            c2061f2b7856cda556570a83ba325c684a2a72fed77eb322ae661714a77c9040

            SHA512

            cc0a6d32eeafd0238510cf327d8f71cc94f4ee5997389071c7431ee06446f88ecfe9fe8f7c5adbe88ea3c889d066dd7a862bd4eda2301dc129f8f4c4174f9e9c

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rdjjav3h.c4r.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/992-184-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-194-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-144-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-146-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-148-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-150-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-152-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-154-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-156-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-158-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-160-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-162-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-164-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-168-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-166-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-170-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-172-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-174-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-176-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-178-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-180-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-182-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-140-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-186-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-188-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-190-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-192-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-142-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-196-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-198-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-200-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-1059-0x0000000005150000-0x0000000005151000-memory.dmp

            Filesize

            4KB

          • memory/992-133-0x0000000000340000-0x000000000054A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-134-0x0000000004E20000-0x0000000004E30000-memory.dmp

            Filesize

            64KB

          • memory/992-135-0x0000000005660000-0x0000000005C04000-memory.dmp

            Filesize

            5.6MB

          • memory/992-138-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/992-136-0x00000000051B0000-0x0000000005242000-memory.dmp

            Filesize

            584KB

          • memory/992-137-0x0000000004EA0000-0x000000000509A000-memory.dmp

            Filesize

            2.0MB

          • memory/1772-2008-0x0000000000400000-0x000000000049A000-memory.dmp

            Filesize

            616KB

          • memory/1772-3459-0x00000000053A0000-0x00000000053B0000-memory.dmp

            Filesize

            64KB

          • memory/1772-4199-0x0000000005780000-0x00000000057E6000-memory.dmp

            Filesize

            408KB

          • memory/1772-2086-0x00000000053A0000-0x00000000053B0000-memory.dmp

            Filesize

            64KB

          • memory/3048-2003-0x0000000005AA0000-0x0000000005AA1000-memory.dmp

            Filesize

            4KB

          • memory/3048-1071-0x0000000000F70000-0x00000000010B0000-memory.dmp

            Filesize

            1.2MB

          • memory/3048-1072-0x0000000005900000-0x0000000005910000-memory.dmp

            Filesize

            64KB

          • memory/4044-4227-0x000002180DC40000-0x000002180DC50000-memory.dmp

            Filesize

            64KB

          • memory/4044-4215-0x000002180DD20000-0x000002180DD42000-memory.dmp

            Filesize

            136KB

          • memory/4044-4225-0x000002180DC40000-0x000002180DC50000-memory.dmp

            Filesize

            64KB

          • memory/4044-4214-0x000002180DC40000-0x000002180DC50000-memory.dmp

            Filesize

            64KB

          • memory/4044-4213-0x000002180DC40000-0x000002180DC50000-memory.dmp

            Filesize

            64KB

          • memory/4312-4232-0x0000000004D00000-0x0000000004D10000-memory.dmp

            Filesize

            64KB

          • memory/4556-5159-0x00000000057A0000-0x00000000057B0000-memory.dmp

            Filesize

            64KB

          • memory/4556-6862-0x00000000057A0000-0x00000000057B0000-memory.dmp

            Filesize

            64KB

          • memory/4760-2242-0x0000000000400000-0x0000000000471000-memory.dmp

            Filesize

            452KB

          • memory/4760-1170-0x0000000000400000-0x0000000000471000-memory.dmp

            Filesize

            452KB

          • memory/4760-3331-0x0000000000400000-0x0000000000471000-memory.dmp

            Filesize

            452KB