Resubmissions

06/05/2026, 21:07

260506-zyd1taez3m7

06/05/2026, 21:01

260506-zt2w3sey5j7

06/05/2026, 20:55

260506-zqg3haex3q7

06/05/2026, 20:43

260506-zhktesev2k7

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/05/2026, 20:43

General

  • Target
    Lock.Julie.exe
  • Size 5.9MB
  • Sample260506-zhktesev2k
  • SHA256 6fe3e2b89204368a78e8920afa3420ce70a75052fd54784097f30faaeddf75a3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Modifies Control Panel 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Lock.Julie.exe
    "C:\Users\Admin\AppData\Local\Temp\Lock.Julie.exe"
    1⤵
    • Adds Run key to start application
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4424
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\srlsssvr\srlsssvr.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE5BC.tmp" "c:\Users\Admin\AppData\Local\Temp\srlsssvr\CSC7BD88ECA99984F27AF26D511B520468F.TMP"
        3⤵
          PID:4592
    • C:\ProgramData\Microsoft\DeviceSync\SyncService.exe
      "C:\ProgramData\Microsoft\DeviceSync\SyncService.exe"
      1⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Sets desktop wallpaper using registry
      • Modifies Control Panel
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1828
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\hz0wmpsi\hz0wmpsi.cmdline"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4660
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES122B.tmp" "c:\Users\Admin\AppData\Local\Temp\hz0wmpsi\CSC9511CBE7641F48A2B1117CE2B4C58B8A.TMP"
          3⤵
            PID:5268

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            .dscfg

            • Path C:\ProgramData\Microsoft\DeviceSync\.dscfg
            • Size 123B
            • SHA256 499f0618a78c6014cf9d5252f4a2aa4c22586e2fef6738b34989f7f0fe0a7fcc
            • MD5 SHA1 SHA512 TLSH

            SyncService.exe

            • Path C:\ProgramData\Microsoft\DeviceSync\SyncService.exe
            • Size 5.9MB
            • SHA256 6fe3e2b89204368a78e8920afa3420ce70a75052fd54784097f30faaeddf75a3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            bg_extracted.jpg

            • Path C:\ProgramData\Microsoft\DeviceSync\bg_extracted.jpg
            • Size 4.4MB
            • SHA256 8d547744b4ab2c3189a566753ec1f19470d1367936e11a941d5addc9ca5e7b92
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ModuleAnalysisCache

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
            • Size 53KB
            • SHA256 499efdc3635b176946654a629ede6dd7fc3d573ead094b77d60b60f97cd208c2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RES122B.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES122B.tmp
            • Size 1KB
            • SHA256 95800edd1845d945b47984a185357be7515884c9b8f88ddbaff5393550e931b3
            • MD5 SHA1 SHA512 TLSH

            RESE5BC.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RESE5BC.tmp
            • Size 1KB
            • SHA256 df55749051eacdcb52bffb570d709d9208d052f3b71321f27ec2b5ff5af238bd
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_g4n2rvdb.2cs.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g4n2rvdb.2cs.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            hz0wmpsi.dll

            • Path C:\Users\Admin\AppData\Local\Temp\hz0wmpsi\hz0wmpsi.dll
            • Size 3KB
            • SHA256 5767e21f83b0139f434560cedf3c0f729cc365e583669401364b4899125fa8c0
            • MD5 SHA1 SHA512 TLSH

            srlsssvr.dll

            • Path C:\Users\Admin\AppData\Local\Temp\srlsssvr\srlsssvr.dll
            • Size 3KB
            • SHA256 362601493f081b8fe29adb3a2dbf1a986428175d2f48f4627948e5d330913475
            • MD5 SHA1 SHA512 TLSH

            CSC9511CBE7641F48A2B1117CE2B4C58B8A.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\hz0wmpsi\CSC9511CBE7641F48A2B1117CE2B4C58B8A.TMP
            • Size 652B
            • SHA256 db7015c9042415c01adfb225c3b9e661c253576b5b8ae84f8219d1216d841eec
            • MD5 SHA1 SHA512 TLSH

            hz0wmpsi.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\hz0wmpsi\hz0wmpsi.cmdline
            • Size 369B
            • SHA256 a08ea30d016ced0242450721a459b4a69ec8473a56ffda8df020aab6697c3cde
            • MD5 SHA1 SHA512 TLSH

            CSC7BD88ECA99984F27AF26D511B520468F.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\srlsssvr\CSC7BD88ECA99984F27AF26D511B520468F.TMP
            • Size 652B
            • SHA256 e5e0b17330aaf6026779ba82c332ea84d0339db5d53d69ceebf5e0140fd54f37
            • MD5 SHA1 SHA512 TLSH

            srlsssvr.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\srlsssvr\srlsssvr.0.cs
            • Size 418B
            • SHA256 cbc4940031baf6e739b3838b4df0fe531d59bea50d713d2bafc9c0e720b16cd4
            • MD5 SHA1 SHA512 TLSH

            srlsssvr.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\srlsssvr\srlsssvr.cmdline
            • Size 369B
            • SHA256 cc4c574e281f743a383437e41e90bb0b2a073b9a04f2062c89d2f63317248bac
            • MD5 SHA1 SHA512 TLSH

            memory/1828-76-0x00000000010E0000-0x00000000010EC000-memory.dmp

            memory/1828-68-0x00000000010E0000-0x00000000010EC000-memory.dmp

            memory/1828-65-0x0000000001310000-0x0000000001318000-memory.dmp

            memory/3064-22-0x0000022994A10000-0x0000022994A1C000-memory.dmp

            memory/4424-36-0x000000001FC90000-0x000000001FE52000-memory.dmp

            memory/4424-67-0x000000001BDC0000-0x000000001BDD0000-memory.dmp

            memory/4424-34-0x000000001BDC0000-0x000000001BDD0000-memory.dmp

            memory/4424-35-0x000000001BDC0000-0x000000001BDD0000-memory.dmp

            memory/4424-32-0x000000001BC40000-0x000000001BC4C000-memory.dmp

            memory/4424-0-0x0000000000C20000-0x0000000001204000-memory.dmp

            memory/4424-9-0x000000001BD60000-0x000000001BD82000-memory.dmp

            memory/4424-8-0x000000001BDC0000-0x000000001BDD0000-memory.dmp

            memory/4424-33-0x000000001BDC0000-0x000000001BDD0000-memory.dmp

            memory/4424-25-0x000000001BDC0000-0x000000001BDD0000-memory.dmp

            memory/4424-37-0x0000000020390000-0x00000000208B8000-memory.dmp

            memory/4424-24-0x000000001BD90000-0x000000001BD98000-memory.dmp

            memory/4592-19-0x000001697A7B0000-0x000001697A7BC000-memory.dmp

            memory/4660-63-0x000001D71F740000-0x000001D71F74C000-memory.dmp

            memory/5268-60-0x000001C343DB0000-0x000001C343DBC000-memory.dmp