Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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

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:4068
    • 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:2188
      • C:\Users\Admin\AppData\Local\Temp\7zSC88C4FB8\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:4232
    • 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:1964
    • 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:4404
      • 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:4796
    • 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:1928
    • 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:1160
    • 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:1116
    • 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:2108
    • 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:4448
    • 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:4432
  • 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:4512
    • 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:1676
    • 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:3316
    • 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:2432
    • 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:3044
    • 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:3624
    • 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:2868
    • 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:3376
    • 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:4784
    • 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:1072
    • 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:4568
    • 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:3792

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

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 3KB
        • SHA256 bda499e3f69d8fe0227e734bbb935dc5bf0050d37adf03bc41356dfcb5bcca0b
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 7659e86cfa55914f32f6c68e6d5ce52fe769c550bc0934f3428f02f96ecd5936
        • MD5 SHA1 SHA512 TLSH

        ydbjqpxylo.txt

        • Path C:\Users\Admin\AppData\Local\Packages\legqpbjugsirigf\ydbjqpxylo.txt
        • Size 205B
        • SHA256 052a1600e66f386a2cd897ab8aec1c21bdf6b7da845b02eeac049186c5a05d28
        • MD5 SHA1 SHA512 TLSH

        ydbjqpxylo.txt

        • Path C:\Users\Admin\AppData\Local\Packages\legqpbjugsirigf\ydbjqpxylo.txt
        • Size 709B
        • SHA256 09356575b9f61e97f14a0608f1cfea6d17ce4a6ce0b3e75887998214b614e08e
        • MD5 SHA1 SHA512 TLSH

        ydbjqpxylo.txt

        • Path C:\Users\Admin\AppData\Local\Packages\legqpbjugsirigf\ydbjqpxylo.txt
        • Size 1KB
        • SHA256 c7aa8a0d3e1974313600669eb7dad870b03402f40bba8e859f9c76c584574c03
        • MD5 SHA1 SHA512 TLSH

        ydbjqpxylo.txt

        • Path C:\Users\Admin\AppData\Local\Packages\legqpbjugsirigf\ydbjqpxylo.txt
        • Size 1KB
        • SHA256 65b23f876e40601dfd67892339cb8c6769cf0ac1755a8197ad105310e320f5ca
        • MD5 SHA1 SHA512 TLSH

        setup-stub.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7zSC88C4FB8\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_rfuztxvi.jdm.ps1

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

        CityHash.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\CityHash.dll
        • Size 53KB
        • SHA256 c299a0a71bf57eb241868158b4fcfe839d15d5ba607e1bdc5499fdf67b334a14
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InetBgDL.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\InetBgDL.dll
        • Size 95KB
        • SHA256 3921dec014fadd1de7f3a36606ac95882a17cb96df38a5424e58531a169f825b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\System.dll
        • Size 22KB
        • SHA256 b711c4f17690421c9dc8ddb9ed5a9ddc539b3a28f11e19c851e25dcfc7701c04
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UAC.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\UAC.dll
        • Size 28KB
        • SHA256 ec6a56d981892bf251df1439bea425a5f6c7e1c7312d44bedd5e2957f270338c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\UserInfo.dll
        • Size 14KB
        • SHA256 c6c413108539f141bea3f679e0e2ef705898c51ec7c2607f478a865fc5e2e2df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WebBrowser.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\WebBrowser.dll
        • Size 103KB
        • SHA256 281a0dc8b4f644334c2283897963b20df88fa9fd32acca98ed2856b23318e6ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        profile_cleanup.html

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\profile_cleanup.html
        • Size 1021B
        • SHA256 841c48b6725f700e10f2ee93bfe2824d630118eb98a61673485acf4e2e75587c
        • MD5 SHA1 SHA512 TLSH

        profile_cleanup.js

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\profile_cleanup.js
        • Size 1KB
        • SHA256 a58e277ede06cc98d00e34c9f9ae57908c49bd45f9f5ff99a395ae6f4c7be6a7
        • MD5 SHA1 SHA512 TLSH

        profile_cleanup_page.css

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\profile_cleanup_page.css
        • Size 606B
        • SHA256 1579a832e7e24e1afb415db6f5a42b6dbfddcab01aae077eee5e1083dced46bf
        • MD5 SHA1 SHA512 TLSH

        stub_common.css

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.tmp\stub_common.css
        • Size 678B
        • SHA256 d86446129e0c9aee0288a4c9f465bb7c7593f81866110f6393673bce06d67eaf
        • MD5 SHA1 SHA512 TLSH

        stub_common.js

        • Path C:\Users\Admin\AppData\Local\Temp\nsi992F.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 1c5631e1b881408c8ad986d84b8366c4c8c0748923cce6eb89c1292a389b00b9
        • MD5 SHA1 SHA512 TLSH

        memory/1964-134-0x000001DE2AA00000-0x000001DE2AA12000-memory.dmp

        memory/1964-135-0x000001DE11590000-0x000001DE1159A000-memory.dmp

        memory/1964-126-0x000001DE11550000-0x000001DE11572000-memory.dmp

        memory/2188-110-0x0000000000400000-0x0000000000446000-memory.dmp

        memory/2188-34-0x0000000000400000-0x0000000000446000-memory.dmp

        memory/4068-108-0x00007FF758120000-0x00007FF7582E9000-memory.dmp