Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/06/2026, 18:12

General

  • Target
    support.client.exe
  • Size 81KB
  • Sample260620-wtfr3ahx2t
  • SHA256 aadc96fe85cb6f7089b51457c2bd30ff443262ccd53fbb3ca4529289c70a595f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 6 IoCs
  • Manipulates Digital Signatures 1 TTPs 2 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • Signed with revoked ConnectWise certificate 4 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • Executes dropped EXE 1 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

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

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

  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\support.client.exe
    "C:\Users\Admin\AppData\Local\Temp\support.client.exe"
    1⤵
    • Manipulates Digital Signatures
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
      2⤵
      • Downloads MZ/PE file
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\ScreenConnect.WindowsClient.exe
        "C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\ScreenConnect.WindowsClient.exe"
        3⤵
        • Executes dropped EXE
        • Modifies registry class
        PID:4608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 908
      2⤵
      • Program crash
      PID:5600
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 1896 -ip 1896
    1⤵
      PID:5616

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          scre...exe_25b0fbb6ef7eb094_0018.0003_none_97cb907042c6ab92.cdf-ms

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\manifests\scre...exe_25b0fbb6ef7eb094_0018.0003_none_97cb907042c6ab92.cdf-ms
          • Size 24KB
          • SHA256 b1ce83edd7ee7712c47940c4de8837ddc9ed40413b145fb2e004b92c7ab4e04d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          scre..core_4b14c015c87c1ad8_0018.0003_none_5334f1fbfe91ad06.cdf-ms

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\manifests\scre..core_4b14c015c87c1ad8_0018.0003_none_5334f1fbfe91ad06.cdf-ms
          • Size 3KB
          • SHA256 e19ae278cf2d2b3a9249aff0f74d4600d8fab0a958651227ee42b9fee5387605
          • MD5 SHA1 SHA512 TLSH

          scre..dows_4b14c015c87c1ad8_0018.0003_none_57acc9dd3adfc036.cdf-ms

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\manifests\scre..dows_4b14c015c87c1ad8_0018.0003_none_57acc9dd3adfc036.cdf-ms
          • Size 5KB
          • SHA256 60a7b27bedba14aa89896ba868f213d4e953983682ca04739e407a957150495a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          scre..ient_4b14c015c87c1ad8_0018.0003_none_b47bcb1fe7759013.cdf-ms

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\manifests\scre..ient_4b14c015c87c1ad8_0018.0003_none_b47bcb1fe7759013.cdf-ms
          • Size 6KB
          • SHA256 5f555cfce1968f212d3504bd7bbd599ac5592457b4053e2517811bedefe020cc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          scre..ient_4b14c015c87c1ad8_0018.0003_none_e94a4fce0de1030a.cdf-ms

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\manifests\scre..ient_4b14c015c87c1ad8_0018.0003_none_e94a4fce0de1030a.cdf-ms
          • Size 2KB
          • SHA256 57b058d75fe01ae17bdbb7a534b62d4fb2894efd4776fad862d261873ca590f3
          • MD5 SHA1 SHA512 TLSH

          scre..tion_25b0fbb6ef7eb094_0018.0003_none_38bfca06a9457575.cdf-ms

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\manifests\scre..tion_25b0fbb6ef7eb094_0018.0003_none_38bfca06a9457575.cdf-ms
          • Size 14KB
          • SHA256 537824f175f3d75d501ab8fe6d1420168a898cc2a5f6b524c344dbc01e5f7348
          • MD5 SHA1 SHA512 SSDEEP TLSH

          scre..vice_4b14c015c87c1ad8_0018.0003_none_04888a4494511071.cdf-ms

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\manifests\scre..vice_4b14c015c87c1ad8_0018.0003_none_04888a4494511071.cdf-ms
          • Size 4KB
          • SHA256 77f38b2975147ce1d2991b1172a34b89b4b9f040f04282b5c02c54519d4c0f13
          • MD5 SHA1 SHA512 SSDEEP TLSH

          0ijj0ehl.newcfg

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\0ijj0ehl.newcfg
          • Size 559B
          • SHA256 cf3ae33a40c65f28756a69e33032c96104b566515fbf666f0b1aebd3a291e5ff
          • MD5 SHA1 SHA512 TLSH

          1qyepk50.newcfg

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\1qyepk50.newcfg
          • Size 559B
          • SHA256 c59e06f8e525714b55b89a86ec668d1a91f7cc2b5567b9933f4a8382f40001a9
          • MD5 SHA1 SHA512 TLSH

          app.config

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\app.config
          • Size 1KB
          • SHA256 d661e46e08a9c066cabecc6467e7f20894e715d83729d0c2d8ed93885ef9bfd2
          • MD5 SHA1 SHA512 TLSH

          bu41jo2l.newcfg

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\bu41jo2l.newcfg
          • Size 559B
          • SHA256 acf79d2c96eebb00b627bca9347d3de681651191c0c6bfd88670297b18583cd9
          • MD5 SHA1 SHA512 TLSH

          e33kjpey.newcfg

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\e33kjpey.newcfg
          • Size 559B
          • SHA256 9ee89aaab05deb1fc9fe18d2b3c3e72d659efc706b9bfa518c3894b5d102bacc
          • MD5 SHA1 SHA512 TLSH

          mz4n4ek1.newcfg

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\mz4n4ek1.newcfg
          • Size 559B
          • SHA256 8e65139aab2c38c904a36f620ced61840a1fb9d1ebae10ef8a635b651acf0aa4
          • MD5 SHA1 SHA512 TLSH

          q2cvp2gv.newcfg

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\q2cvp2gv.newcfg
          • Size 559B
          • SHA256 9dfd184d2b639cec5bec46b7998e4c3ca584e5b8b7e2a9b08ce4da687758cce2
          • MD5 SHA1 SHA512 TLSH

          tcpdjoxt.newcfg

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\tcpdjoxt.newcfg
          • Size 559B
          • SHA256 e9403cd1f102edc1940559114a05f3a5f71f36a2d22400668a5e34e452ac7760
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\user.config
          • Size 559B
          • SHA256 455621a7f71e731a9b89388404653871e8c9568776320fbdeb5c71e57c82fcb8
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\user.config
          • Size 559B
          • SHA256 bee2618c3ec94b935c296c9154c4e01ed0dae3522496100bf644206bb0d2706a
          • MD5 SHA1 SHA512 TLSH

          uyy4u2dq.newcfg

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\uyy4u2dq.newcfg
          • Size 559B
          • SHA256 b7f46721c53f25a3b2cbaf6f95761eb174f18f87bcf7aacee0fb704354e75781
          • MD5 SHA1 SHA512 TLSH

          wmuk4akb.newcfg

          • Path C:\Users\Admin\AppData\Local\Apps\2.0\GKRROKOZ.GXL\TBBT3422.EVH\scre..tion_25b0fbb6ef7eb094_0018.0003_99591a60a91a5c28\wmuk4akb.newcfg
          • Size 559B
          • SHA256 de40cfd40c6e1dca91149de36915b903d60b231b5f7f0f714f547afc667b7eeb
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.Client.dll

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 ea0a545f40ff491d02172228c1a39ae68344c4340a6094486a47be746952e64f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll.genman

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.Client.dll.genman
          • Size 1KB
          • SHA256 f1bf5014656d836a4c5c42e7ed67ff368d1706c41082e1e4f33abf9cda09d647
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 fd5818dcdf5fc76316b8f7f96630ec66bb1cb5b5a8127cf300e5842f2c74ffca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll.genman

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.ClientService.dll.genman
          • Size 1KB
          • SHA256 276b0232a7c76292d34207f916966ea1bcd5cd7e1e1d9a2751c663f06e45b63c
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f1b5c000794f046259121c63ed37f9eff0cfe1258588eca6fd85e16d3922767e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.Core.dll
          • Size 536KB
          • SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll.genman

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.Core.dll.genman
          • Size 1KB
          • SHA256 ac3c489c02264ff1918fc0b79083a7754b98542a6cc4e2af67eafdbf76c6232e
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll.genman

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.Windows.dll.genman
          • Size 1KB
          • SHA256 d48afb709e61b86eb6eef67b41d0fa7ec780c4536f5cf9aca7a0b440aed98ef0
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsBackstageShell.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.WindowsBackstageShell.exe
          • Size 59KB
          • SHA256 e25f32ba3fa32fd0ddd99eb65b26835e30829b5e4b58573690aa717e093a5d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.WindowsClient.exe
          • Size 588KB
          • SHA256 600cf10e27311e60d32722654ef184c031a77b5ae1f8abae8891732710afee31
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsClient.exe.genman

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.WindowsClient.exe.genman
          • Size 2KB
          • SHA256 8aa9dacc29faef7be40d54b45fba75afc13bf25638d9a46dc4b516529ae74619
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsClient.exe.manifest

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.WindowsClient.exe.manifest
          • Size 17KB
          • SHA256 2e0e46f395d5a6440f179b61c4008abf3d72cfcda705a543c8ee18b41d37b025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsFileManager.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\A140MR5C.YNK\M00ACWJM.KED\ScreenConnect.WindowsFileManager.exe
          • Size 79KB
          • SHA256 ebd04a4540d6e76776bd58deea627345d0f8fba2c04cc65be5e979a8a67a62a1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          7H7NLWPO.1WT.application

          • Path C:\Users\Admin\AppData\Local\Temp\Deployment\Y267L5P4.TM1\7H7NLWPO.1WT.application
          • Size 114KB
          • SHA256 339c2f2ebb472306d26d0592bb2b642be8dee4cf2ff7e75032a2b657abd5cf89
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1572-31-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-14-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-59-0x00000238F35D0000-0x00000238F35E8000-memory.dmp

          memory/1572-53-0x00000238F3B20000-0x00000238F3B56000-memory.dmp

          memory/1572-47-0x00000238F3D00000-0x00000238F3D96000-memory.dmp

          memory/1572-41-0x00000238F3FC0000-0x00000238F416A000-memory.dmp

          memory/1572-0-0x00000238ECA60000-0x00000238ECA68000-memory.dmp

          memory/1572-22-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-1-0x00007FFF3661F000-0x00007FFF36620000-memory.dmp

          memory/1572-2-0x00000238EF1F0000-0x00000238EF378000-memory.dmp

          memory/1572-20-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-304-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-305-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-65-0x00000238F3CF0000-0x00000238F3D7C000-memory.dmp

          memory/1572-12-0x00000238F3580000-0x00000238F35D0000-memory.dmp

          memory/1572-322-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-9-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-8-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-7-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-6-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-5-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-4-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/1572-3-0x00007FFF36490000-0x00007FFF36E34000-memory.dmp

          memory/4608-296-0x0000000002EF0000-0x0000000002F08000-memory.dmp

          memory/4608-288-0x0000000000E20000-0x0000000000EB6000-memory.dmp