Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
09-10-2024 06:00
Behavioral task
behavioral1
Sample
47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe
Resource
win10v2004-20241007-en
General
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Target
47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe
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Size
37KB
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MD5
d1babc8145b6ade05b22da25f375ebc0
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SHA1
8e419eb4020e8ae34b996653b7ba3aec5baa8c46
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SHA256
47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613
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SHA512
95e1c078fe59c6229db301b921563bd611eba7d26a5d649ef45c4128f9a79e7048c8a9620938be39065a584f547acb327f3ac5c48f5cce062896fb851365d682
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SSDEEP
384:ReLpCT0i9NdTe/kCOyU7NuvLmDPM+7rAF+rMRTyN/0L+EcoinblneHQM3epzXzMw:ILaT1CFU7NuKbMgrM+rMRa8Nu1Mwt
Malware Config
Extracted
njrat
im523
HacKed
127.0.0.1:5552
279f6960ed84a752570aca7fb2dc1552
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reg_key
279f6960ed84a752570aca7fb2dc1552
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1508 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 2712 server.exe -
Loads dropped DLL 1 IoCs
pid Process 2112 47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\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 opened \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 -
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 47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe 2712 server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2712 server.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe Token: 33 2712 server.exe Token: SeIncBasePriorityPrivilege 2712 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2112 wrote to memory of 2712 2112 47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe 31 PID 2112 wrote to memory of 2712 2112 47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe 31 PID 2112 wrote to memory of 2712 2112 47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe 31 PID 2112 wrote to memory of 2712 2112 47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe 31 PID 2712 wrote to memory of 1508 2712 server.exe 32 PID 2712 wrote to memory of 1508 2712 server.exe 32 PID 2712 wrote to memory of 1508 2712 server.exe 32 PID 2712 wrote to memory of 1508 2712 server.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe"C:\Users\Admin\AppData\Local\Temp\47fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2712 -
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
- System Location Discovery: System Language Discovery
PID:1508
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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
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
37KB
MD5d1babc8145b6ade05b22da25f375ebc0
SHA18e419eb4020e8ae34b996653b7ba3aec5baa8c46
SHA25647fa3a13a28ee3b5f875924cc9dfa37d09ed23150c69696e2521abaf8dc84613
SHA51295e1c078fe59c6229db301b921563bd611eba7d26a5d649ef45c4128f9a79e7048c8a9620938be39065a584f547acb327f3ac5c48f5cce062896fb851365d682