Analysis
- max time kernel
298s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/10/2026, 09:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Dekont.exe
Resource
win10v2004-20260911-en
8 signatures
300 seconds
General
- Target Dekont.exe
- Size 1.2MB
- Sample261020-k2thcaxycy
- SHA256 38aa284ea16dbbd2189ec674eddea0ecb7210b6ffb0ec3b8979a64ebd3714821
- MD5 fe84ef31a873bf7848aa8a836e21490e
- SHA1 1044fcf2b678fe30103d8c7e9730a7800c23294d
- SHA512 b968c3de21467cfcff2eb53f881d73be465b62cbfd8fc83e0a65f85e26f0840003f996f9b22d2758f74a82a5b89ff716c6a5439018d280c9af3e6009d8104f95
- SSDEEP 24576:+QrABDSkA5uqTy/1LgKMNU5CEXXQFLkbJ1m3MZJz6Asfr3WYyj:+QABOkFqYkKMNU5vXEAJI8Pz6RfrA
- TLSH T1EE55021557E55B64F6BE9B386139212083F0F81ADB22E72E7DD81CED2FB1B80456132B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Formbook payload 2 IoCs
resource yara_rule behavioral1/memory/1652-844-0x00000000012F0000-0x0000000001336000-memory.dmp family_formbook behavioral1/memory/1652-847-0x00000000012F0000-0x0000000001336000-memory.dmp family_formbook - .NET Reactor proctector 64 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral1/memory/2476-5-0x0000000005A20000-0x0000000005A94000-memory.dmp net_reactor behavioral1/memory/2476-21-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-29-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-91-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-97-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-95-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-93-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-89-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-87-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-85-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-83-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-81-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-79-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-78-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-75-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-71-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-69-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-65-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-63-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-59-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-57-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-55-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-53-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-51-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-49-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-45-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-43-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-41-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-39-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-37-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-35-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-33-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-31-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-27-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-25-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-23-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-19-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-17-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-73-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-15-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-67-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-13-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-61-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-11-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-9-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-47-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-7-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-6-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-115-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-131-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-129-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-127-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-125-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-123-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-121-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-119-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-117-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-113-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-111-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-109-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-108-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-106-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-104-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor behavioral1/memory/2476-101-0x0000000005A20000-0x0000000005ABF000-memory.dmp net_reactor - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2476 set thread context of 1652 2476 Dekont.exe 93 - 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 Dekont.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2476 Dekont.exe 2476 Dekont.exe 1652 AddInProcess32.exe 1652 AddInProcess32.exe 1652 AddInProcess32.exe 1652 AddInProcess32.exe 1652 AddInProcess32.exe 1652 AddInProcess32.exe 1652 AddInProcess32.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2476 Dekont.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2476 wrote to memory of 1652 2476 Dekont.exe 93 PID 2476 wrote to memory of 1652 2476 Dekont.exe 93 PID 2476 wrote to memory of 1652 2476 Dekont.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\Dekont.exe"C:\Users\Admin\AppData\Local\Temp\Dekont.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1652
-