Analysis
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max time kernel
19s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20-02-2023 19:25
Behavioral task
behavioral1
Sample
Set-up.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Set-up.exe
Resource
win10v2004-20220812-en
General
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Target
Set-up.exe
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Size
815.4MB
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MD5
8d09a44d7b7ecdc7acb2aad0376a38c6
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SHA1
91ba128382958716bae664ff0af101da6d44be3c
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SHA256
85bfbde0fd013241fd5ed1f099874814c813d4ac968d6ce8e0be93e8b07e3918
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SHA512
4afa4befb406bf174384869b9514a5e74a4ce6b1d3f5978d9fec42ca2d04487f17661fd817caa14725f309844d3b0879861eb503521a30ec72ca25ff64218b2a
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SSDEEP
98304:cTxPupJkmHmooywZfLGc6D6yT+nHZH6JnIRLfZNlT3/Msj:cTAkaoBxLc6lnHZH6Y/Msj
Malware Config
Signatures
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.NET Reactor proctector 35 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
Processes:
resource yara_rule behavioral1/memory/1536-54-0x0000000000FD0000-0x0000000001846000-memory.dmp net_reactor behavioral1/memory/1536-57-0x00000000003F0000-0x000000000047E000-memory.dmp net_reactor behavioral1/memory/1536-58-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-59-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-61-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-63-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-65-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-67-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-71-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-69-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-73-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-77-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-75-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-85-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-83-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-81-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-79-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-87-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-89-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-91-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-93-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-95-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-97-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-99-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-103-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-101-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-105-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-107-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-111-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-109-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-113-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-119-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-117-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-121-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor behavioral1/memory/1536-115-0x00000000003F0000-0x0000000000478000-memory.dmp net_reactor -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Set-up.exedescription pid process target process PID 1536 set thread context of 672 1536 Set-up.exe InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Set-up.exedescription pid process Token: SeDebugPrivilege 1536 Set-up.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Set-up.exedescription pid process target process PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe PID 1536 wrote to memory of 672 1536 Set-up.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Set-up.exe"C:\Users\Admin\AppData\Local\Temp\Set-up.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1536-54-0x0000000000FD0000-0x0000000001846000-memory.dmpFilesize
8.5MB
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memory/1536-56-0x00000000003E0000-0x00000000003E1000-memory.dmpFilesize
4KB
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memory/1536-55-0x000000001B0C0000-0x000000001B140000-memory.dmpFilesize
512KB
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memory/1536-57-0x00000000003F0000-0x000000000047E000-memory.dmpFilesize
568KB
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memory/1536-58-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-59-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-61-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-63-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-65-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-67-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-71-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-69-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-73-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-77-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-75-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-85-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-83-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-81-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-79-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-87-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-89-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-91-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-93-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-95-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-97-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-99-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-103-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-101-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-105-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-107-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-111-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-109-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-113-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-119-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-117-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-121-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-115-0x00000000003F0000-0x0000000000478000-memory.dmpFilesize
544KB
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memory/1536-1522-0x0000000000480000-0x0000000000481000-memory.dmpFilesize
4KB