Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/08/2026, 04:07
Static task
static1
Behavioral task
behavioral1
Sample
NYMPH_THETIS_MAIN_VSL_PARTICULARSpdf.js
Resource
win10v2004-20260513-en
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
NYMPH_THETIS_MAIN_VSL_PARTICULARSpdf.js
Resource
win11ltsc2024-20260709-en
17 signatures
150 seconds
General
- Target NYMPH_THETIS_MAIN_VSL_PARTICULARSpdf.js
- Size 3.0MB
- Sample260817-epwt2sshmf
- SHA256 9e3076097c99e0fef6b7bc23763e8af3e8f2e605340d760dc48323cbe1b35e54
- MD5 7a17009a4280e3c5637b36ef751a6eae
- SHA1 8673281fb546c14b533f2bc9da39bafd2007429b
- SHA512 6a066a50f77c209ebe8d544625b4de723d93ea4ac81641ca63cc2a74022387fa184b864361877b06f8824737a5dcd2cc05e09127620f3ca5660f9517def13749
- SSDEEP 24576:R4Ae9ni70VEFONuZxQbf8er4JaAXvrYvNrj5uQyw09MwPTxxkDnew1zoPrC9X9YJ:R4AG0XakmzEgfy3P6nkDXQEes
- TLSH T197E5F9E222DE578F9A2A379ADA8C4A4C0767C2149EC372E174DF07448F0F48D6994D6F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Formbook payload 4 IoCs
resource yara_rule behavioral1/memory/4772-20-0x0000000000B20000-0x0000000000B66000-memory.dmp family_formbook behavioral1/memory/4772-22-0x0000000000B20000-0x0000000000B66000-memory.dmp family_formbook behavioral1/memory/4772-27-0x0000000000B20000-0x0000000000B66000-memory.dmp family_formbook behavioral1/memory/724-28-0x0000000000190000-0x00000000001D3000-memory.dmp family_formbook - Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 25 4908 wscript.exe 34 4908 wscript.exe 34 4908 wscript.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2696 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation wscript.exe - Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook SearchProtocolHost.exe - ConfuserEx .NET packer 3 IoCs
Detects ConfuserEx .NET packer.
resource yara_rule behavioral1/memory/2696-13-0x00000255799A0000-0x00000255799B4000-memory.dmp ConfuserEx behavioral1/memory/2696-18-0x000002557C5B0000-0x000002557C5C4000-memory.dmp ConfuserEx behavioral1/memory/2696-41-0x0000025579710000-0x0000025579724000-memory.dmp ConfuserEx - Suspicious use of SetThreadContext 22 IoCs
description pid Process procid_target PID 2696 set thread context of 4772 2696 powershell.exe 92 PID 4772 set thread context of 4908 4772 aspnet_compiler.exe 84 PID 4772 set thread context of 724 4772 aspnet_compiler.exe 93 PID 2696 set thread context of 2272 2696 powershell.exe 95 PID 724 set thread context of 4908 724 SearchProtocolHost.exe 84 PID 2696 set thread context of 1492 2696 powershell.exe 96 PID 2696 set thread context of 3968 2696 powershell.exe 97 PID 2696 set thread context of 4432 2696 powershell.exe 100 PID 2696 set thread context of 2804 2696 powershell.exe 105 PID 724 set thread context of 4204 724 SearchProtocolHost.exe 101 PID 2696 set thread context of 1776 2696 powershell.exe 110 PID 2696 set thread context of 4800 2696 powershell.exe 114 PID 2696 set thread context of 4216 2696 powershell.exe 116 PID 724 set thread context of 1656 724 SearchProtocolHost.exe 115 PID 2696 set thread context of 1336 2696 powershell.exe 117 PID 2696 set thread context of 3168 2696 powershell.exe 118 PID 2696 set thread context of 1564 2696 powershell.exe 121 PID 2696 set thread context of 1848 2696 powershell.exe 122 PID 2696 set thread context of 2480 2696 powershell.exe 123 PID 2696 set thread context of 3448 2696 powershell.exe 124 PID 2696 set thread context of 4696 2696 powershell.exe 125 PID 2696 set thread context of 1276 2696 powershell.exe 126 - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SearchProtocolHost.exe - Kills process with taskkill 1 IoCs
pid Process 4084 taskkill.exe -
description ioc Process Key created \Registry\User\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 SearchProtocolHost.exe - Suspicious behavior: EnumeratesProcesses 61 IoCs
pid Process 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 4772 aspnet_compiler.exe 4772 aspnet_compiler.exe 4772 aspnet_compiler.exe 4772 aspnet_compiler.exe 2696 powershell.exe 724 SearchProtocolHost.exe 724 SearchProtocolHost.exe 724 SearchProtocolHost.exe 724 SearchProtocolHost.exe 2696 powershell.exe 2272 aspnet_compiler.exe 2696 powershell.exe 1492 aspnet_compiler.exe 2696 powershell.exe 3968 aspnet_compiler.exe 2696 powershell.exe 4432 aspnet_compiler.exe 2696 powershell.exe 2804 aspnet_compiler.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 1776 aspnet_compiler.exe 2696 powershell.exe 4800 aspnet_compiler.exe 2696 powershell.exe 4216 aspnet_compiler.exe 2696 powershell.exe 1336 aspnet_compiler.exe 2696 powershell.exe 3168 aspnet_compiler.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 2696 powershell.exe 1564 aspnet_compiler.exe 2696 powershell.exe 1848 aspnet_compiler.exe 2696 powershell.exe 2480 aspnet_compiler.exe 2696 powershell.exe 3448 aspnet_compiler.exe 2696 powershell.exe 4696 aspnet_compiler.exe 2696 powershell.exe 1276 aspnet_compiler.exe - Suspicious behavior: MapViewOfSection 9 IoCs
pid Process 4772 aspnet_compiler.exe 4908 wscript.exe 4908 wscript.exe 724 SearchProtocolHost.exe 724 SearchProtocolHost.exe 724 SearchProtocolHost.exe 724 SearchProtocolHost.exe 724 SearchProtocolHost.exe 724 SearchProtocolHost.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 4084 taskkill.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4908 wrote to memory of 2696 4908 wscript.exe 85 PID 2696 wrote to memory of 1104 2696 powershell.exe 87 PID 2696 wrote to memory of 2596 2696 powershell.exe 88 PID 2696 wrote to memory of 5068 2696 powershell.exe 89 PID 2696 wrote to memory of 5064 2696 powershell.exe 90 PID 2696 wrote to memory of 4988 2696 powershell.exe 91 PID 2696 wrote to memory of 4772 2696 powershell.exe 92 PID 2696 wrote to memory of 4772 2696 powershell.exe 92 PID 2696 wrote to memory of 4772 2696 powershell.exe 92 PID 4908 wrote to memory of 724 4908 wscript.exe 93 PID 2696 wrote to memory of 2272 2696 powershell.exe 95 PID 2696 wrote to memory of 2272 2696 powershell.exe 95 PID 2696 wrote to memory of 2272 2696 powershell.exe 95 PID 2696 wrote to memory of 1492 2696 powershell.exe 96 PID 2696 wrote to memory of 1492 2696 powershell.exe 96 PID 2696 wrote to memory of 1492 2696 powershell.exe 96 PID 2696 wrote to memory of 3968 2696 powershell.exe 97 PID 2696 wrote to memory of 3968 2696 powershell.exe 97 PID 2696 wrote to memory of 3968 2696 powershell.exe 97 PID 2696 wrote to memory of 4432 2696 powershell.exe 100 PID 2696 wrote to memory of 4432 2696 powershell.exe 100 PID 2696 wrote to memory of 4432 2696 powershell.exe 100 PID 724 wrote to memory of 4204 724 SearchProtocolHost.exe 101 PID 2696 wrote to memory of 2804 2696 powershell.exe 105 PID 2696 wrote to memory of 2804 2696 powershell.exe 105 PID 2696 wrote to memory of 2804 2696 powershell.exe 105 PID 2696 wrote to memory of 3420 2696 powershell.exe 109 PID 2696 wrote to memory of 1776 2696 powershell.exe 110 PID 2696 wrote to memory of 1776 2696 powershell.exe 110 PID 2696 wrote to memory of 1776 2696 powershell.exe 110 PID 2696 wrote to memory of 4800 2696 powershell.exe 114 PID 2696 wrote to memory of 4800 2696 powershell.exe 114 PID 2696 wrote to memory of 4800 2696 powershell.exe 114 PID 724 wrote to memory of 1656 724 SearchProtocolHost.exe 115 PID 2696 wrote to memory of 4216 2696 powershell.exe 116 PID 2696 wrote to memory of 4216 2696 powershell.exe 116 PID 2696 wrote to memory of 4216 2696 powershell.exe 116 PID 2696 wrote to memory of 1336 2696 powershell.exe 117 PID 2696 wrote to memory of 1336 2696 powershell.exe 117 PID 2696 wrote to memory of 1336 2696 powershell.exe 117 PID 2696 wrote to memory of 3168 2696 powershell.exe 118 PID 2696 wrote to memory of 3168 2696 powershell.exe 118 PID 2696 wrote to memory of 3168 2696 powershell.exe 118 PID 2696 wrote to memory of 1244 2696 powershell.exe 119 PID 2696 wrote to memory of 2616 2696 powershell.exe 120 PID 2696 wrote to memory of 1564 2696 powershell.exe 121 PID 2696 wrote to memory of 1564 2696 powershell.exe 121 PID 2696 wrote to memory of 1564 2696 powershell.exe 121 PID 2696 wrote to memory of 1848 2696 powershell.exe 122 PID 2696 wrote to memory of 1848 2696 powershell.exe 122 PID 2696 wrote to memory of 1848 2696 powershell.exe 122 PID 2696 wrote to memory of 2480 2696 powershell.exe 123 PID 2696 wrote to memory of 2480 2696 powershell.exe 123 PID 2696 wrote to memory of 2480 2696 powershell.exe 123 PID 2696 wrote to memory of 3448 2696 powershell.exe 124 PID 2696 wrote to memory of 3448 2696 powershell.exe 124 PID 2696 wrote to memory of 3448 2696 powershell.exe 124 PID 2696 wrote to memory of 4696 2696 powershell.exe 125 PID 2696 wrote to memory of 4696 2696 powershell.exe 125 PID 2696 wrote to memory of 4696 2696 powershell.exe 125 PID 2696 wrote to memory of 1276 2696 powershell.exe 126 PID 2696 wrote to memory of 1276 2696 powershell.exe 126 PID 2696 wrote to memory of 1276 2696 powershell.exe 126 PID 4908 wrote to memory of 4084 4908 wscript.exe 127 - outlook_office_path 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook SearchProtocolHost.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\NYMPH_THETIS_MAIN_VSL_PARTICULARSpdf.js1⤵
- Badlisted process makes network request
- Checks computer location settings
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4908 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_GvLwtYtUvMSF_1786939653108.ps1"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2696 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:1104
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:2596
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:5068
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:5064
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:4988
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4772
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2272
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1492
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3968
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4432
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2804
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:3420
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1776
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4800
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4216
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1336
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3168
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:1244
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵PID:2616
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1564
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1848
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2480
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:3448
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:4696
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1276
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C:\Windows\SysWOW64\SearchProtocolHost.exe"C:\Windows\SysWOW64\SearchProtocolHost.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- outlook_office_path
PID:724 -
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"3⤵PID:4204
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:1656
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C:\Windows\System32\taskkill.exe"C:\Windows\System32\taskkill.exe" /f /im wscript.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4084
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:4000
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C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵PID:3392
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Temp\ps_GvLwtYtUvMSF_1786939653108.ps1
- Size 2.2MB
- SHA256 3077b8f89ba1ac1bc0ddefac3d13cb501bbd4a9226b26a7a6dbd6205cf67e14e
- MD5 90e2eb99f291fd594485c792e075b8e1
- SHA1 b0f1eeaff45a648c633ee5eba12f453a9e5b6315
- SHA512 545b400c8bf6094145b819a54504d0ece1085632f5374f6ade788dc9ede21e3c868fe622ed68da3b1a3c414de3157fd2cabfa8d114bcd9e9892b7628937ab902
- SSDEEP 24576:BxRvCPefyLyOqnchaOR4H1ilG3nBBGPN6qFRtg7LSWlM4Q/S3/Ipo3d:V
- TLSH T15EA568225D103F9E029F2D5EEA4EFDB81E55E2C6546CF6D1A40888F18133698BD1ECE7
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uvqpmick.3wp.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH