Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/10/2026, 09:01
Static task
static1
Behavioral task
behavioral1
Sample
PROOF OF PAYMENT.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
PROOF OF PAYMENT.js
Resource
win11ltsc2024-20260911-en
General
- Target PROOF OF PAYMENT.js
- Size 829KB
- Sample261005-ky52zaydkc
- SHA256 2c08726d40a1bd521d37c4d6b4a8ff0e423249b374a7aea15dca32600b82bf8f
- MD5 b92ed93111f166452bcaf33b1384c8db
- SHA1 f81a0d458ffcde2b37eaad1838db41618708effb
- SHA512 e545ce692bd63a3bd01f3b0357b7062921b7f46c163d6ff67e34b7927887208b0fa611beecddcfeecb18c3667e1fcc3e851f59d10a49ee8ebb1a4c79f845c0a9
- SSDEEP 3072:OJErx4bb1O2/1fcRfbd7HJHy0OV3+GANo0VY8Fu0RkDwnGa3DqkdIhqn5Jz8DlYy:I
- TLSH T1D5050055B36A098B1B0BDE34341A1D637BB80B61EFCC49C49257EE998C5EFC70259E0B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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strrat
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jareyo.duckdns.org:5610
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license_id
khonsari
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plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
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scheduled_task
true
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secondary_startup
true
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startup
true
Signatures
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rryjbdkx.txt java.exe - Loads dropped DLL 2 IoCs
pid Process 2776 java.exe 3188 java.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\rryjbdkx = "\"C:\\Users\\Admin\\AppData\\Roaming\\rryjbdkx.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rryjbdkx = "\"C:\\Users\\Admin\\AppData\\Roaming\\rryjbdkx.txt\"" java.exe - Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 ip-api.com - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 5 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4828 cmd.exe 3184 cmd.exe 5072 cmd.exe 4452 cmd.exe 2276 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 8 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WMIC.exe - Opens file in notepad (likely ransom note) 2 IoCs
pid Process 4472 NOTEPAD.EXE 3912 NOTEPAD.EXE - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2352 schtasks.exe - Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4288 WMIC.exe 4288 WMIC.exe 4288 WMIC.exe 4288 WMIC.exe 4124 WMIC.exe 4124 WMIC.exe 4124 WMIC.exe 4124 WMIC.exe 4128 WMIC.exe 4128 WMIC.exe 4128 WMIC.exe 4128 WMIC.exe 5316 WMIC.exe 5316 WMIC.exe 5316 WMIC.exe 5316 WMIC.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4288 WMIC.exe Token: SeSecurityPrivilege 4288 WMIC.exe Token: SeTakeOwnershipPrivilege 4288 WMIC.exe Token: SeLoadDriverPrivilege 4288 WMIC.exe Token: SeSystemProfilePrivilege 4288 WMIC.exe Token: SeSystemtimePrivilege 4288 WMIC.exe Token: SeProfSingleProcessPrivilege 4288 WMIC.exe Token: SeIncBasePriorityPrivilege 4288 WMIC.exe Token: SeCreatePagefilePrivilege 4288 WMIC.exe Token: SeBackupPrivilege 4288 WMIC.exe Token: SeRestorePrivilege 4288 WMIC.exe Token: SeShutdownPrivilege 4288 WMIC.exe Token: SeDebugPrivilege 4288 WMIC.exe Token: SeSystemEnvironmentPrivilege 4288 WMIC.exe Token: SeRemoteShutdownPrivilege 4288 WMIC.exe Token: SeUndockPrivilege 4288 WMIC.exe Token: SeManageVolumePrivilege 4288 WMIC.exe Token: 33 4288 WMIC.exe Token: 34 4288 WMIC.exe Token: 35 4288 WMIC.exe Token: 36 4288 WMIC.exe Token: SeIncreaseQuotaPrivilege 4288 WMIC.exe Token: SeSecurityPrivilege 4288 WMIC.exe Token: SeTakeOwnershipPrivilege 4288 WMIC.exe Token: SeLoadDriverPrivilege 4288 WMIC.exe Token: SeSystemProfilePrivilege 4288 WMIC.exe Token: SeSystemtimePrivilege 4288 WMIC.exe Token: SeProfSingleProcessPrivilege 4288 WMIC.exe Token: SeIncBasePriorityPrivilege 4288 WMIC.exe Token: SeCreatePagefilePrivilege 4288 WMIC.exe Token: SeBackupPrivilege 4288 WMIC.exe Token: SeRestorePrivilege 4288 WMIC.exe Token: SeShutdownPrivilege 4288 WMIC.exe Token: SeDebugPrivilege 4288 WMIC.exe Token: SeSystemEnvironmentPrivilege 4288 WMIC.exe Token: SeRemoteShutdownPrivilege 4288 WMIC.exe Token: SeUndockPrivilege 4288 WMIC.exe Token: SeManageVolumePrivilege 4288 WMIC.exe Token: 33 4288 WMIC.exe Token: 34 4288 WMIC.exe Token: 35 4288 WMIC.exe Token: 36 4288 WMIC.exe Token: SeIncreaseQuotaPrivilege 4124 WMIC.exe Token: SeSecurityPrivilege 4124 WMIC.exe Token: SeTakeOwnershipPrivilege 4124 WMIC.exe Token: SeLoadDriverPrivilege 4124 WMIC.exe Token: SeSystemProfilePrivilege 4124 WMIC.exe Token: SeSystemtimePrivilege 4124 WMIC.exe Token: SeProfSingleProcessPrivilege 4124 WMIC.exe Token: SeIncBasePriorityPrivilege 4124 WMIC.exe Token: SeCreatePagefilePrivilege 4124 WMIC.exe Token: SeBackupPrivilege 4124 WMIC.exe Token: SeRestorePrivilege 4124 WMIC.exe Token: SeShutdownPrivilege 4124 WMIC.exe Token: SeDebugPrivilege 4124 WMIC.exe Token: SeSystemEnvironmentPrivilege 4124 WMIC.exe Token: SeRemoteShutdownPrivilege 4124 WMIC.exe Token: SeUndockPrivilege 4124 WMIC.exe Token: SeManageVolumePrivilege 4124 WMIC.exe Token: 33 4124 WMIC.exe Token: 34 4124 WMIC.exe Token: 35 4124 WMIC.exe Token: 36 4124 WMIC.exe Token: SeIncreaseQuotaPrivilege 4124 WMIC.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 4440 wrote to memory of 5676 4440 wscript.exe 90 PID 5676 wrote to memory of 2776 5676 javaw.exe 91 PID 2776 wrote to memory of 4828 2776 java.exe 93 PID 2776 wrote to memory of 3188 2776 java.exe 94 PID 4828 wrote to memory of 2352 4828 cmd.exe 97 PID 3188 wrote to memory of 3184 3188 java.exe 104 PID 3184 wrote to memory of 4288 3184 cmd.exe 106 PID 3188 wrote to memory of 5072 3188 java.exe 108 PID 5072 wrote to memory of 4124 5072 cmd.exe 110 PID 3188 wrote to memory of 4452 3188 java.exe 111 PID 4452 wrote to memory of 4128 4452 cmd.exe 113 PID 3188 wrote to memory of 2276 3188 java.exe 114 PID 2276 wrote to memory of 5316 2276 cmd.exe 116 - 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.
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.js"1⤵
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\rryjbdkx.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:5676 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\rryjbdkx.txt"3⤵
- Creates a file in the Startup directory
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\rryjbdkx.txt"4⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\rryjbdkx.txt"5⤵
- Scheduled Task/Job: Scheduled Task
PID:2352
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\rryjbdkx.txt"4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3188 -
C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list6⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4288
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list6⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4124
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list6⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
PID:4128
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C:\Windows\SYSTEM32\cmd.execmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"5⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2276 -
C:\Windows\System32\Wbem\WMIC.exewmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list6⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
PID:5316
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\rryjbdkx.txt1⤵
- Opens file in notepad (likely ransom note)
PID:4472
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C:\Windows\system32\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\rryjbdkx.txt1⤵
- Opens file in notepad (likely ransom note)
PID:3912
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2JavaScript
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 f0743ad2d6d8c12a5ad4eeed27118e82f6046ef3b25cf006fd0a714a1f393777
- MD5 195e823147fab557a1d704f39e917073
- SHA1 5fbd4826216cbe79f5941f3eea3cb636f5e09233
- SHA512 2114660606563b6fc3eb934f6ebd2e18451b10674f11a6f99a4a8bc5186b193e663cc3ebfddd6e856df8b6daee147b60ac53b5250faab9a59dfd34c5c378f667
- MD5 SHA1 SHA512
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 4a9a70e143916210bb19c8955ef0f8256ea3de290d23940acd3aacb67e5583b8
- MD5 84d57a58374dd01a4441223ebaad9a24
- SHA1 bb1a8d0532163654a820d8d08e9fb89ab541e246
- SHA512 de4c250d2cab469c31a2620ea57421743b79147422e57b09e0b4954673750aa328af2c29e94d18fdb13a95fcf1e62389e81e71a1cca374d13300e316488c4676
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna765825192577012146.dll
- Size 241KB
- SHA256 a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
- MD5 e02979ecd43bcc9061eb2b494ab5af50
- SHA1 3122ac0e751660f646c73b10c4f79685aa65c545
- SHA512 1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
- SSDEEP 6144:YW2uuBVCg2ZF0xk5udHB7EkAgEEz2Lh2LDh+MDWHNaL7yyubjmiy9NBW:YW2uAC9sVEZL0vdnz
- TLSH T1C2341817F7B248E5E8B7C13984236A12F57178294320EBEB47858B434F66BE09B3E750
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1404337215-1550464601-2805570857-1000\83aa4cc77f591dfc2374580bbd95f6ba_a138fda6-9c2c-4447-951e-b6e8ae1ea94a
- Size 45B
- SHA256 11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
- MD5 c8366ae350e7019aefc9d1e6e6a498c6
- SHA1 5731d8a3e6568a5f2dfbbc87e3db9637df280b61
- SHA512 33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\rryjbdkx.txt
- Size 92KB
- SHA256 a34962fb233e76dad091b5d818ab7ec4fb9b6eb401d92051abc1e2b0eff5f7a4
- MD5 cb5f82831efbf4f27d43d93b2f103f8c
- SHA1 7cd990da02b055326dbaa885d09399287f0dc52a
- SHA512 16c6825ec18174c0398d8edeee5859a27c0a878cea3f0428362a27506a992c7363bb2c01f634bc37933faaa5f255343fbcc55b96e0ca164a5c036fbe29d9b15b
- SSDEEP 1536:99k/91AvcP1H9QH1+jYCczTnGSEPs6SN0gpL4WjjT3BrhehLsHGvovxBpEHrK0:rkIvcP1dQYjIG9PPSag94WnTGhLFvFLJ
- TLSH T17293BEFB387FD068D203193610E985236A0D9698D559211B27FE08525F34E6EAF17ECF
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\lib\jna-5.5.0.jar
- Size 1.4MB
- SHA256 b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
- MD5 acfb5b5fd9ee10bf69497792fd469f85
- SHA1 0e0845217c4907822403912ad6828d8e0b256208
- SHA512 e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
- SSDEEP 24576:BggLnybolJdaW+864NkqCUer8N7sSFOaj5lWOEMIKk6idJRWPTgzq3bICEz2lFO:BTnybo9aW+L5qCUO0xsiMPZrJgPLLIO6
- TLSH T176652323104AD099ED2FC6FB52CA27D1386B2365604361AE2EE43D81293FF570BF9172
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\lib\jna-platform-5.5.0.jar
- Size 2.6MB
- SHA256 24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
- MD5 2f4a99c2758e72ee2b59a73586a2322f
- SHA1 af38e7c4d0fc73c23ecd785443705bfdee5b90bf
- SHA512 b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
- SSDEEP 24576:DyciOooDbK7Yw1J75n4BP/NtK2ov3mhDR6:3iOLDOZJ75nwtK2ovWh8
- TLSH T128C57523EA63CD62DFB44AF7A2D303451637B6602D0B86BD47C46C91DFA154B5BA0BB0
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
- Size 4.1MB
- SHA256 2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
- MD5 b33387e15ab150a7bf560abdc73c3bec
- SHA1 66b8075784131f578ef893fd7674273f709b9a4c
- SHA512 25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
- SSDEEP 98304:czJoX0izQbrabWo2MxgErRYxFOY8IsFWyTIiTIzMpca:cJoXHQKW9MxRr8wZZsikzMaa
- TLSH T1A21633EC9181A7EDEF91133DF1CF0992AC7A04D1B845652078AA2B07BDF2A0F1B55877
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\lib\system-hook-3.5.jar
- Size 772KB
- SHA256 2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
- MD5 e1aa38a1e78a76a6de73efae136cdb3a
- SHA1 c463da71871f780b2e2e5dba115d43953b537daf
- SHA512 fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
- SSDEEP 24576:IhCFW8WXvOsWW9XGmvcVfkfTnzrLvadKPpv:IhCYWstW202t
- TLSH T1EBF423DE9134B432D4AA957C2E821E276DF0C0A779B6AADF36E05ECA543171B1B7018C
- MD5 SHA1 SHA512 SSDEEP TLSH