Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/07/2026, 21:08
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target 2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe
- Size 783KB
- Sample260724-zza1jsfm7w
- SHA256 da02c5fa34888e5ecb542c6f15d96e8404abc89c0731a6f5b56528a526c18a18
- MD5 3ec3bf7fc6902b1084db76db30b677fd
- SHA1 0adf5fa98b60b5e932db1b62b4d1ca9ab2464627
- SHA512 9cba69cea324c8abca9f6aa440788aa63984b5cd58099b9a5ec48be087ddbccf6d278ed39232eb430212bb93a8daf38d7b593f442c4063b1eec1e736e5e3c5f0
- SSDEEP 24576:1WizP/zBL+w3t3ie3la0hgs8z9yFOGlAOYFyqdUMXre:5zTByKtSe3la0hgs8zUfMLm
- TLSH T13D053861EF0F8A5FE2C21938F7945148E5408BF46403D98B31C359AFF83DA9E5E62E46
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 7 IoCs
resource yara_rule behavioral2/memory/2924-6-0x00000000012C0000-0x00000000012D2000-memory.dmp family_neptunerat behavioral2/memory/3692-9-0x0000000000400000-0x00000000004CC000-memory.dmp family_neptunerat behavioral2/memory/3692-7-0x0000000000400000-0x00000000004CC000-memory.dmp family_neptunerat behavioral2/memory/404-21-0x0000000000400000-0x00000000004CC000-memory.dmp family_neptunerat behavioral2/memory/3508-22-0x0000000001230000-0x0000000001242000-memory.dmp family_neptunerat behavioral2/memory/404-25-0x0000000000400000-0x00000000004CC000-memory.dmp family_neptunerat behavioral2/memory/404-23-0x0000000000400000-0x00000000004CC000-memory.dmp family_neptunerat - Detects Windows executables referencing non-Windows User-Agents 7 IoCs
resource yara_rule behavioral2/memory/2924-6-0x00000000012C0000-0x00000000012D2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/3692-9-0x0000000000400000-0x00000000004CC000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/3692-7-0x0000000000400000-0x00000000004CC000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/404-21-0x0000000000400000-0x00000000004CC000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/3508-22-0x0000000001230000-0x0000000001242000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/404-25-0x0000000000400000-0x00000000004CC000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/404-23-0x0000000000400000-0x00000000004CC000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - HeartCrypt Windows executable packer 9 IoCs
HeartCrypt is a packer-as-a-service (PaaS) that injects malicious code into otherwise legitimate binaries
resource yara_rule behavioral2/memory/3692-0-0x0000000000400000-0x00000000004CC000-memory.dmp heartcrypt behavioral2/memory/3692-5-0x0000000000400000-0x00000000004CC000-memory.dmp heartcrypt behavioral2/memory/3692-2-0x0000000000400000-0x00000000004CC000-memory.dmp heartcrypt behavioral2/memory/3692-1-0x0000000000400000-0x00000000004CC000-memory.dmp heartcrypt behavioral2/memory/3692-9-0x0000000000400000-0x00000000004CC000-memory.dmp heartcrypt behavioral2/memory/3692-7-0x0000000000400000-0x00000000004CC000-memory.dmp heartcrypt behavioral2/memory/404-21-0x0000000000400000-0x00000000004CC000-memory.dmp heartcrypt behavioral2/memory/404-25-0x0000000000400000-0x00000000004CC000-memory.dmp heartcrypt behavioral2/memory/404-23-0x0000000000400000-0x00000000004CC000-memory.dmp heartcrypt - Executes dropped EXE 1 IoCs
pid Process 404 ClipperNss.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\NostaAshamed = "C:\\Users\\Admin\\Pictures\\NssClipper\\ClipperNss.exe" 2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3692 set thread context of 2924 3692 2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe 89 PID 404 set thread context of 3508 404 ClipperNss.exe 93 - System Location Discovery: System Language Discovery 1 TTPs 4 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 2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ClipperNss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2924 csc.exe Token: SeDebugPrivilege 3508 csc.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3692 wrote to memory of 2924 3692 2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe 89 PID 3692 wrote to memory of 2924 3692 2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe 89 PID 404 wrote to memory of 3508 404 ClipperNss.exe 93 PID 404 wrote to memory of 3508 404 ClipperNss.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-24_3ec3bf7fc6902b1084db76db30b677fd_elex_rhadamanthys_wannacry.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3692 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2924
-
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C:\Users\Admin\Pictures\NssClipper\ClipperNss.exeC:\Users\Admin\Pictures\NssClipper\ClipperNss.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:404 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3508
-