Analysis
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max time kernel
59s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
21-09-2024 19:55
Static task
static1
Behavioral task
behavioral1
Sample
957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe
Resource
win10v2004-20240802-en
General
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Target
957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe
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Size
103KB
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MD5
592b110aba23427270059a6611c09c63
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SHA1
acf34b3bc9598e5a858034613bcc8fa6e1cd1371
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SHA256
957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33
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SHA512
af42d963f6dacd21e8f7145406fe097771016059d18ff8d5af5fd4ff4e1c4ef97f7949e957838471c445ac20acb70d52c1e9b2562b8ba057353a4fe6be61ca38
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SSDEEP
1536:0Z19QBTd/LklsfI/IEFljaYQQC0OpjH7zs82eAebfYMlBE6Qmm1:UO4lsgQE/FCtjHx2eAGYMlUmu
Malware Config
Extracted
njrat
0.7d
HacKed
127.0.0.1:5552
64f5a500033a0279ebf3a243f9f3365c
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reg_key
64f5a500033a0279ebf3a243f9f3365c
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2864 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 2684 server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\64f5a500033a0279ebf3a243f9f3365c = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\64f5a500033a0279ebf3a243f9f3365c = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.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 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 value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
description pid Process Token: SeDebugPrivilege 2684 server.exe Token: 33 2684 server.exe Token: SeIncBasePriorityPrivilege 2684 server.exe Token: 33 2684 server.exe Token: SeIncBasePriorityPrivilege 2684 server.exe Token: 33 2684 server.exe Token: SeIncBasePriorityPrivilege 2684 server.exe Token: 33 2684 server.exe Token: SeIncBasePriorityPrivilege 2684 server.exe Token: 33 2684 server.exe Token: SeIncBasePriorityPrivilege 2684 server.exe Token: 33 2684 server.exe Token: SeIncBasePriorityPrivilege 2684 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2636 wrote to memory of 2684 2636 957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe 30 PID 2636 wrote to memory of 2684 2636 957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe 30 PID 2636 wrote to memory of 2684 2636 957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe 30 PID 2684 wrote to memory of 2864 2684 server.exe 31 PID 2684 wrote to memory of 2864 2684 server.exe 31 PID 2684 wrote to memory of 2864 2684 server.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe"C:\Users\Admin\AppData\Local\Temp\957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Users\Admin\AppData\Roaming\server.exe"C:\Users\Admin\AppData\Roaming\server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\system32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:2864
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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
103KB
MD5592b110aba23427270059a6611c09c63
SHA1acf34b3bc9598e5a858034613bcc8fa6e1cd1371
SHA256957655d92151bd1ef03ce89ccb67dc58aa86e6e91b0a87d64d2c0c44442cec33
SHA512af42d963f6dacd21e8f7145406fe097771016059d18ff8d5af5fd4ff4e1c4ef97f7949e957838471c445ac20acb70d52c1e9b2562b8ba057353a4fe6be61ca38