Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 16:27

General

  • Target
    1acd000bea1690e2e767eca48ba718a3430ec73cb9e7eca0b65d167c3e31a9e8.exe
  • Size 1.8MB
  • Sample261102-tyhfcabv31
  • SHA256 1acd000bea1690e2e767eca48ba718a3430ec73cb9e7eca0b65d167c3e31a9e8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 19 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 6 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 17 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Runs ping.exe 1 TTPs 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 22 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1acd000bea1690e2e767eca48ba718a3430ec73cb9e7eca0b65d167c3e31a9e8.exe
    "C:\Users\Admin\AppData\Local\Temp\1acd000bea1690e2e767eca48ba718a3430ec73cb9e7eca0b65d167c3e31a9e8.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5560
    • C:\Users\Admin\AppData\Local\FirefoxInstaller\FirefoxInstaller.exe
      "C:\Users\Admin\AppData\Local\FirefoxInstaller\FirefoxInstaller.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2128
      • C:\Users\Admin\AppData\Local\Temp\7zS05803F89\setup-stub.exe
        .\setup-stub.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2152
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -Command ""Expand-Archive -Path 'C:\Users\Admin\AppData\Local\python-3.12.7\python-3.12.7.zip' -DestinationPath 'C:\Users\Admin\AppData\Local\python-3.12.7'""
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3520
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -Command " & 'C:\Users\Admin\AppData\Local\python-3.12.7\pythonw.exe' -m py_compile 'C:\Users\Admin\AppData\Local\python-3.12.7\screwy.py'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4160
      • C:\Users\Admin\AppData\Local\python-3.12.7\pythonw.exe
        "C:\Users\Admin\AppData\Local\python-3.12.7\pythonw.exe" -m py_compile C:\Users\Admin\AppData\Local\python-3.12.7\screwy.py
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:5684
    • C:\Windows\SYSTEM32\ping.exe
      ping -n 3 -w 2000 193.135.174.101
      2⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:5540
    • C:\Windows\SYSTEM32\ping.exe
      ping -n 3 -w 2000 193.135.174.101
      2⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:1640
    • C:\Windows\SYSTEM32\ping.exe
      ping -n 3 -w 2000 193.135.174.101
      2⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:2220
    • C:\Windows\SYSTEM32\ping.exe
      ping -n 3 -w 2000 193.135.174.101
      2⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:4836
    • C:\Windows\SYSTEM32\ping.exe
      ping -n 3 -w 2000 193.135.174.101
      2⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:3220
    • C:\Windows\SYSTEM32\ping.exe
      ping -n 3 -w 2000 193.135.174.101
      2⤵
      • System Network Configuration Discovery: Internet Connection Discovery
      • Runs ping.exe
      PID:4384
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3056
    • C:\Users\Admin\AppData\Local\python-3.12.7\pythonw.exe
      "C:\Users\Admin\AppData\Local\python-3.12.7\pythonw.exe" "C:\Users\Admin\AppData\Local\python-3.12.7\screwy.pyc"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5484
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1892
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3148
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1180
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:6116
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4196
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1792
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:6092
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1232
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4840
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1680
      • C:\Windows\SYSTEM32\ping.exe
        ping -n 3 -w 2000 193.135.174.101
        2⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3224

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          FirefoxInstaller.exe

          • Path C:\Users\Admin\AppData\Local\FirefoxInstaller\FirefoxInstaller.exe
          • Size 496KB
          • SHA256 17fea8faf3dbdfd25bcfc581f87b1781f5701c5fab5bb9656f8c1c47b494f562
          • MD5 SHA1 SHA512 SSDEEP TLSH

          to_local.zip

          • Path C:\Users\Admin\AppData\Local\FirefoxInstaller\to_local.zip
          • Size 482KB
          • SHA256 1389020fc9679de4fee98c5aa3a797a9a7c767624b66654b097c26883da49b7c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 3391585999ece9a2c64469a28247165e16425846d24cbf63e50925a113f8148a
          • MD5 SHA1 SHA512 TLSH

          ydbjqpxylo.txt

          • Path C:\Users\Admin\AppData\Local\Packages\legqpbjugsirigf\ydbjqpxylo.txt
          • Size 205B
          • SHA256 27d1f022d9dbabdcb25fa79595fb54727e6e5c8b445e0655ac7b2db89b6cb01e
          • MD5 SHA1 SHA512 TLSH

          ydbjqpxylo.txt

          • Path C:\Users\Admin\AppData\Local\Packages\legqpbjugsirigf\ydbjqpxylo.txt
          • Size 728B
          • SHA256 5548801995a166add2f2a7ed1650cbdee2fd1fdd1c0f4e0328f091d6bcb84880
          • MD5 SHA1 SHA512 TLSH

          ydbjqpxylo.txt

          • Path C:\Users\Admin\AppData\Local\Packages\legqpbjugsirigf\ydbjqpxylo.txt
          • Size 1KB
          • SHA256 e71219d8bc7a7c132f8b215f70cf87a54abeeb61cb83eb62abea4a1caee031b7
          • MD5 SHA1 SHA512 TLSH

          ydbjqpxylo.txt

          • Path C:\Users\Admin\AppData\Local\Packages\legqpbjugsirigf\ydbjqpxylo.txt
          • Size 1KB
          • SHA256 ffdb2e2545adaf611b9f4cc8649d28c814f2f861647d40c26cb506f122f1ea37
          • MD5 SHA1 SHA512 TLSH

          setup-stub.exe

          • Path C:\Users\Admin\AppData\Local\Temp\7zS05803F89\setup-stub.exe
          • Size 852KB
          • SHA256 0353c8e0e8ba55996f20060d37a66ddd1962d63a2b4cecec7a77531ba4ac9918
          • MD5 SHA1 SHA512 SSDEEP TLSH

          82E828IA63DR5425DD.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\82E828IA63DR5425DD.tmp
          • Size 1.3MB
          • SHA256 5929d7129e67263bbad3f0d94230bb4306d3e8c0fc26047de13b2d6a652300e8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_rxbk5the.5ec.psm1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rxbk5the.5ec.psm1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          CityHash.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\CityHash.dll
          • Size 53KB
          • SHA256 c299a0a71bf57eb241868158b4fcfe839d15d5ba607e1bdc5499fdf67b334a14
          • MD5 SHA1 SHA512 SSDEEP TLSH

          InetBgDL.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\InetBgDL.dll
          • Size 95KB
          • SHA256 3921dec014fadd1de7f3a36606ac95882a17cb96df38a5424e58531a169f825b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\System.dll
          • Size 22KB
          • SHA256 b711c4f17690421c9dc8ddb9ed5a9ddc539b3a28f11e19c851e25dcfc7701c04
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UAC.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\UAC.dll
          • Size 28KB
          • SHA256 ec6a56d981892bf251df1439bea425a5f6c7e1c7312d44bedd5e2957f270338c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UserInfo.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\UserInfo.dll
          • Size 14KB
          • SHA256 c6c413108539f141bea3f679e0e2ef705898c51ec7c2607f478a865fc5e2e2df
          • MD5 SHA1 SHA512 SSDEEP TLSH

          WebBrowser.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\WebBrowser.dll
          • Size 103KB
          • SHA256 281a0dc8b4f644334c2283897963b20df88fa9fd32acca98ed2856b23318e6ec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          bgstub.jpg

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\bgstub.jpg
          • Size 194KB
          • SHA256 5992f5deb915c3d80a1b514fac24a5031e888538dd53434137b40e453c794249
          • MD5 SHA1 SHA512 SSDEEP TLSH

          profile_cleanup.html

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\profile_cleanup.html
          • Size 1021B
          • SHA256 841c48b6725f700e10f2ee93bfe2824d630118eb98a61673485acf4e2e75587c
          • MD5 SHA1 SHA512 TLSH

          profile_cleanup.js

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\profile_cleanup.js
          • Size 1KB
          • SHA256 a58e277ede06cc98d00e34c9f9ae57908c49bd45f9f5ff99a395ae6f4c7be6a7
          • MD5 SHA1 SHA512 TLSH

          profile_cleanup_page.css

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\profile_cleanup_page.css
          • Size 606B
          • SHA256 1579a832e7e24e1afb415db6f5a42b6dbfddcab01aae077eee5e1083dced46bf
          • MD5 SHA1 SHA512 TLSH

          stub_common.css

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\stub_common.css
          • Size 678B
          • SHA256 d86446129e0c9aee0288a4c9f465bb7c7593f81866110f6393673bce06d67eaf
          • MD5 SHA1 SHA512 TLSH

          stub_common.js

          • Path C:\Users\Admin\AppData\Local\Temp\nstA494.tmp\stub_common.js
          • Size 584B
          • SHA256 7da3182de713cdbfa901bf71ecbc517a3ff9dd53dfdf9b03ab01a19a899818d5
          • MD5 SHA1 SHA512 TLSH

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\_bz2.pyd
          • Size 82KB
          • SHA256 160b5218c2035cccbaab9dc4ca26d099f433dcb86dbbd96425c933dc796090df
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\_lzma.pyd
          • Size 154KB
          • SHA256 b095fa2eac97496b515031fbea5737988b18deee86a11f2784f5a551732ddc0c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python-3.12.7.zip

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\python-3.12.7.zip
          • Size 10.6MB
          • SHA256 0d57bb6cb078b74d23dbfe91f77d6780d45bed328911609f1f7ee2ba1606bf44
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python3.DLL

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\python3.DLL
          • Size 66KB
          • SHA256 d52baca085f88b40f30c855e6c55791e5375c80f60f94057061e77e33f4cad7a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python312._pth

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\python312._pth
          • Size 80B
          • SHA256 2820f241bc9d6810d4db21c21cca3845799367fbdf0199620fb37c86a74b945c
          • MD5 SHA1 SHA512 TLSH

          python312.dll

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\python312.dll
          • Size 6.6MB
          • SHA256 93488fa7e631cc0a2bd808b9eee8617280ee9b6ff499ab424a1a1cbf24d77dc7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python312.zip

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\python312.zip
          • Size 3.6MB
          • SHA256 b321b802f5c37d2b45a5d2a79645f223143ffa778666135148871b7b8cbb7fe4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          pythonw.exe

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\pythonw.exe
          • Size 99KB
          • SHA256 d1ac257d433defc5516ae5b9ba837922d417164c0cb2fb1c57119ff1c7650524
          • MD5 SHA1 SHA512 SSDEEP TLSH

          screwy.py

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\screwy.py
          • Size 133B
          • SHA256 e34225d8dad2b4985ca2307491485b812be122cc0e538ce7de3f9f80e1f99988
          • MD5 SHA1 SHA512 TLSH

          screwy.pyc

          • Path C:\Users\Admin\AppData\Local\python-3.12.7\screwy.pyc
          • Size 482B
          • SHA256 37bb0ef23c778ce8cd43fecff9e2a43cd82434edc3c66143726fec70e17ede9f
          • MD5 SHA1 SHA512 TLSH

          memory/2128-146-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/2128-49-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/3520-174-0x000001BD790F0000-0x000001BD790FA000-memory.dmp

          memory/3520-173-0x000001BD79100000-0x000001BD79112000-memory.dmp

          memory/3520-171-0x000001BD79110000-0x000001BD7911A000-memory.dmp

          memory/3520-170-0x000001BD79330000-0x000001BD793E2000-memory.dmp

          memory/3520-169-0x000001BD790F0000-0x000001BD7910E000-memory.dmp

          memory/3520-166-0x000001BD79030000-0x000001BD79052000-memory.dmp

          memory/5560-144-0x00007FF621720000-0x00007FF6218E9000-memory.dmp