Analysis
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max time kernel
29s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
20-07-2024 06:13
Static task
static1
Behavioral task
behavioral1
Sample
5aa54b79bb6bc959592bd0d44072aa20N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
5aa54b79bb6bc959592bd0d44072aa20N.exe
Resource
win10v2004-20240709-en
General
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Target
5aa54b79bb6bc959592bd0d44072aa20N.exe
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Size
146KB
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MD5
5aa54b79bb6bc959592bd0d44072aa20
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SHA1
394f4699e128e7eb94a83159f207c544c1225a2a
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SHA256
f931c3d38402a25748eae9af54bb639e33d9b318f26550eb2ebd56abac3cf30e
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SHA512
4081583e7a27d0c889048acab00f692d0a8eda031aae3e6dd7a36e1f81e6c0a3d016ba421f1184670853829d398c20d86c4acda7d5bf70fa2f925ade2b88ef9f
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SSDEEP
3072:9FXJCIuvvEyaoQdOLBB9jO/BK0h7KcdxrgKaQG5IPKOFwXhc0brb:9FXJ9uvvRUOLBOJscnrgKa75IyOFwRc+
Malware Config
Extracted
njrat
0.7d
An0nym0us
faizich.noip.me:100
526da8c3cf38c27132d513f653a25a62
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reg_key
526da8c3cf38c27132d513f653a25a62
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2764 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\526da8c3cf38c27132d513f653a25a62.exe svchost.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\526da8c3cf38c27132d513f653a25a62.exe svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2724 svchost.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\526da8c3cf38c27132d513f653a25a62 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\526da8c3cf38c27132d513f653a25a62 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." svchost.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 3 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 opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2028 wrote to memory of 2724 2028 5aa54b79bb6bc959592bd0d44072aa20N.exe 29 PID 2028 wrote to memory of 2724 2028 5aa54b79bb6bc959592bd0d44072aa20N.exe 29 PID 2028 wrote to memory of 2724 2028 5aa54b79bb6bc959592bd0d44072aa20N.exe 29 PID 2724 wrote to memory of 2764 2724 svchost.exe 30 PID 2724 wrote to memory of 2764 2724 svchost.exe 30 PID 2724 wrote to memory of 2764 2724 svchost.exe 30 PID 2724 wrote to memory of 2692 2724 svchost.exe 32 PID 2724 wrote to memory of 2692 2724 svchost.exe 32 PID 2724 wrote to memory of 2692 2724 svchost.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\5aa54b79bb6bc959592bd0d44072aa20N.exe"C:\Users\Admin\AppData\Local\Temp\5aa54b79bb6bc959592bd0d44072aa20N.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\system32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:2764
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2724 -s 6523⤵PID:2692
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
146KB
MD55aa54b79bb6bc959592bd0d44072aa20
SHA1394f4699e128e7eb94a83159f207c544c1225a2a
SHA256f931c3d38402a25748eae9af54bb639e33d9b318f26550eb2ebd56abac3cf30e
SHA5124081583e7a27d0c889048acab00f692d0a8eda031aae3e6dd7a36e1f81e6c0a3d016ba421f1184670853829d398c20d86c4acda7d5bf70fa2f925ade2b88ef9f