Analysis
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max time kernel
120s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
22-11-2024 19:31
General
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Target
45d6f494c74ce1476999971d138c109c8128007d63efb19071eda8b822acc6d7.exe
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Size
2.2MB
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MD5
949fe8bf732a3d84689e9b8582e4086c
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SHA1
43d66791d93f06298034a2e4cfefe50d999db3a5
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SHA256
45d6f494c74ce1476999971d138c109c8128007d63efb19071eda8b822acc6d7
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SHA512
73862276b0505e537854f6f2e9df558a1c402e0d3487d2fba420806b22ac2b4091cf06beafc4471b5c66315e6439b779260c16bde3d26823ddc553299936cc2d
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SSDEEP
24576:+aa/7Pf8rL1A/vNYZvjG707LebVL6eoREUamnB65ZuHap9cv8a8EhtK9p+T9Gu7c:yPEUNewyLm6eaa0/an67tOCToyiiORh
Malware Config
Extracted
njrat
Njrat 0.7 Golden By Hassan Amiri
HacKed
192.168.31.54:6552
System Helper
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reg_key
System Helper
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splitter
|Hassan|
Signatures
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Njrat family
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njRAT/Bladabindi
Widely used RAT written in .NET.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Drops startup file 2 IoCs
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Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Adds Run key to start application 2 TTPs 2 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious use of AdjustPrivilegeToken 27 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\45d6f494c74ce1476999971d138c109c8128007d63efb19071eda8b822acc6d7.exe"C:\Users\Admin\AppData\Local\Temp\45d6f494c74ce1476999971d138c109c8128007d63efb19071eda8b822acc6d7.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Drops startup file
- Identifies Wine through registry keys
- Adds Run key to start application
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
1Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5.2MB
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Filesize
5.2MB
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Filesize
5.2MB
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Filesize
624KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
5.2MB
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Filesize
40KB