Analysis
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max time kernel
120s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
20/01/2025, 09:24 UTC
Behavioral task
behavioral1
Sample
3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe
Resource
win10v2004-20241007-en
General
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Target
3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe
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Size
28KB
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MD5
e9fb16710f37b15992af9c4bfaeb9460
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SHA1
7fadc03fb75f436e50122d626e6c7810cdd999eb
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SHA256
3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54
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SHA512
c90abcf36c689c29bc002a2c4931fccc286f0f903ef20fd16cf7cb5cbfadb56c474b0f2834fa4a38a17bdc91d0a370b2601fb5db8df2f16858c669821862cf04
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SSDEEP
384:wxRyxNhMRV29GTWqJ/tznkUxRLb7sbBTxy4P5Y/DvHAqYqs7Jhefed7nGMfS5fZL:y8wKizsJxboDQqs7JhIQG0Lu9b2eIm
Malware Config
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2004 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c533a444480a4d4bf0b1cca3e95dd36b.exe explore.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c533a444480a4d4bf0b1cca3e95dd36b.exe explore.exe -
Executes dropped EXE 1 IoCs
pid Process 2900 explore.exe -
Loads dropped DLL 1 IoCs
pid Process 1740 3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\c533a444480a4d4bf0b1cca3e95dd36b = "\"C:\\Users\\Admin\\AppData\\Roaming\\explore.exe\" .." explore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\c533a444480a4d4bf0b1cca3e95dd36b = "\"C:\\Users\\Admin\\AppData\\Roaming\\explore.exe\" .." explore.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 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 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe 2900 explore.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2900 explore.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1740 wrote to memory of 2900 1740 3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe 30 PID 1740 wrote to memory of 2900 1740 3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe 30 PID 1740 wrote to memory of 2900 1740 3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe 30 PID 1740 wrote to memory of 2900 1740 3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe 30 PID 2900 wrote to memory of 2004 2900 explore.exe 31 PID 2900 wrote to memory of 2004 2900 explore.exe 31 PID 2900 wrote to memory of 2004 2900 explore.exe 31 PID 2900 wrote to memory of 2004 2900 explore.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe"C:\Users\Admin\AppData\Local\Temp\3ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Users\Admin\AppData\Roaming\explore.exe"C:\Users\Admin\AppData\Roaming\explore.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\explore.exe" "explore.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2004
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Network
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Remote address:8.8.8.8:53Requestdavi789gtayt.duckdns.orgIN AResponse
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Remote address:8.8.8.8:53Requestdavi789gtayt.duckdns.orgIN AResponse
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
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
28KB
MD5e9fb16710f37b15992af9c4bfaeb9460
SHA17fadc03fb75f436e50122d626e6c7810cdd999eb
SHA2563ddbbea63f30dd7fc24f007b593bcf1e78df64d9b80404cfd75a58874b57ca54
SHA512c90abcf36c689c29bc002a2c4931fccc286f0f903ef20fd16cf7cb5cbfadb56c474b0f2834fa4a38a17bdc91d0a370b2601fb5db8df2f16858c669821862cf04