Analysis
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max time kernel
120s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
13/07/2024, 01:53
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2cde3df53d81870a5783f1c41e9a2c60N.exe
Resource
win7-20240704-en
windows7-x64
15 signatures
120 seconds
Behavioral task
behavioral2
Sample
2cde3df53d81870a5783f1c41e9a2c60N.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
15 signatures
120 seconds
General
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Target
2cde3df53d81870a5783f1c41e9a2c60N.exe
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Size
361KB
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MD5
2cde3df53d81870a5783f1c41e9a2c60
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SHA1
7cc2b6fed9acf312ef5a59d6a2e2c7037274d1bf
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SHA256
4b1b1460daee8cecfaf71a3133e0d072d9a71b118150c2b99eb9074a8c739f65
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SHA512
5bf006f9c3b57defe0b5f7c97ef1bdb6f518a61cf7d399510faf57c787dbdd0719893906dd63f7920a1aaddf7057ccb9345504440480f6d47f63a01357dbc5b4
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SSDEEP
6144:VfYUTOnKu6qPbj8qfK4lxk/xE98KSCYcKPZh9Ol1/:VfYUTpYbj8qfK4jKK7YcKBh9M
Score
8/10
Malware Config
Signatures
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Disables Task Manager via registry modification
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Modifies Windows Firewall 2 TTPs 3 IoCs
pid Process 2932 netsh.exe 1740 netsh.exe 108 netsh.exe -
.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral1/files/0x0008000000018f98-6.dat net_reactor -
Drops startup file 6 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d329c18929157cad3a4c2151c26dc15eWindows Update.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d329c18929157cad3a4c2151c26dc15eWindows Update.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 2736 server.exe -
Loads dropped DLL 2 IoCs
pid Process 1732 2cde3df53d81870a5783f1c41e9a2c60N.exe 1732 2cde3df53d81870a5783f1c41e9a2c60N.exe -
Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf server.exe File created F:\autorun.inf server.exe File opened for modification F:\autorun.inf server.exe File created C:\autorun.inf server.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\Explower.exe server.exe File opened for modification C:\Windows\SysWOW64\Explower.exe server.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Explower.exe server.exe File opened for modification C:\Program Files (x86)\Explower.exe server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe 2736 server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2736 server.exe -
Suspicious use of AdjustPrivilegeToken 29 IoCs
description pid Process Token: SeDebugPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe Token: 33 2736 server.exe Token: SeIncBasePriorityPrivilege 2736 server.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2736 1732 2cde3df53d81870a5783f1c41e9a2c60N.exe 29 PID 1732 wrote to memory of 2736 1732 2cde3df53d81870a5783f1c41e9a2c60N.exe 29 PID 1732 wrote to memory of 2736 1732 2cde3df53d81870a5783f1c41e9a2c60N.exe 29 PID 1732 wrote to memory of 2736 1732 2cde3df53d81870a5783f1c41e9a2c60N.exe 29 PID 2736 wrote to memory of 2932 2736 server.exe 30 PID 2736 wrote to memory of 2932 2736 server.exe 30 PID 2736 wrote to memory of 2932 2736 server.exe 30 PID 2736 wrote to memory of 2932 2736 server.exe 30 PID 2736 wrote to memory of 1740 2736 server.exe 32 PID 2736 wrote to memory of 1740 2736 server.exe 32 PID 2736 wrote to memory of 1740 2736 server.exe 32 PID 2736 wrote to memory of 1740 2736 server.exe 32 PID 2736 wrote to memory of 108 2736 server.exe 33 PID 2736 wrote to memory of 108 2736 server.exe 33 PID 2736 wrote to memory of 108 2736 server.exe 33 PID 2736 wrote to memory of 108 2736 server.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\2cde3df53d81870a5783f1c41e9a2c60N.exe"C:\Users\Admin\AppData\Local\Temp\2cde3df53d81870a5783f1c41e9a2c60N.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:2932
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:1740
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:108
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5B
MD5bbcd2be775370c1e106e66d077a93f3b
SHA1a44b6a98f30e3275fc304bc3b29e0eab8ae47f20
SHA256a7aa76f137ba550c381cfb8e5195a01963ae49db167e1cd1e0a8b902ed81eda1
SHA512bb6e0d1f24253a9525fd538debf8ca68eb7078cb8539140c184331a854ecdea192fbcc314c4154a0a474c9aec41a79efeb8150922454c3c9e71eeb5297ae2f72
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Filesize
361KB
MD52cde3df53d81870a5783f1c41e9a2c60
SHA17cc2b6fed9acf312ef5a59d6a2e2c7037274d1bf
SHA2564b1b1460daee8cecfaf71a3133e0d072d9a71b118150c2b99eb9074a8c739f65
SHA5125bf006f9c3b57defe0b5f7c97ef1bdb6f518a61cf7d399510faf57c787dbdd0719893906dd63f7920a1aaddf7057ccb9345504440480f6d47f63a01357dbc5b4