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Analysis
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max time kernel
149s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01/10/2024, 14:38
Behavioral task
behavioral1
Sample
2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe
Resource
win10v2004-20240802-en
General
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Target
2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe
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Size
23KB
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MD5
33fa48b8911aa5aae81600d27c8956b1
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SHA1
946ae9762e1535fc2829bcfa36efd7687924e001
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SHA256
2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed
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SHA512
4fb2d8611a22508066f4ae60684030615676b148c447f55b9f27e15624e67c093fef0885d014c031043be9b2c1beaae2da50980aec6544e7ed43bb1d8e592be7
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SSDEEP
384:/sqCm6yocx/Yp7jemiO0nd08/VQ6bgNQC5h7tmRvR6JZlbw8hqIusZzZ5VVU:0SoQA6mlcrRpcnuCVO
Malware Config
Extracted
njrat
0.7d
HacKed
JohnRicardomilos-33746.portmap.io:1605
fe893b4a0c6852ab0746b97fce104bb9
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reg_key
fe893b4a0c6852ab0746b97fce104bb9
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2532 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fe893b4a0c6852ab0746b97fce104bb9.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fe893b4a0c6852ab0746b97fce104bb9.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 2456 server.exe -
Loads dropped DLL 1 IoCs
pid Process 2796 2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\fe893b4a0c6852ab0746b97fce104bb9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fe893b4a0c6852ab0746b97fce104bb9 = "\"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 2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe Token: 33 2456 server.exe Token: SeIncBasePriorityPrivilege 2456 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2796 wrote to memory of 2456 2796 2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe 30 PID 2796 wrote to memory of 2456 2796 2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe 30 PID 2796 wrote to memory of 2456 2796 2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe 30 PID 2796 wrote to memory of 2456 2796 2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe 30 PID 2456 wrote to memory of 2532 2456 server.exe 31 PID 2456 wrote to memory of 2532 2456 server.exe 31 PID 2456 wrote to memory of 2532 2456 server.exe 31 PID 2456 wrote to memory of 2532 2456 server.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe"C:\Users\Admin\AppData\Local\Temp\2b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2456 -
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:2532
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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
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Downloads
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Filesize
23KB
MD533fa48b8911aa5aae81600d27c8956b1
SHA1946ae9762e1535fc2829bcfa36efd7687924e001
SHA2562b54d8ac1e78e75cc3737fe24ed0ad4ad558033f76feb1cee362b90fc215fbed
SHA5124fb2d8611a22508066f4ae60684030615676b148c447f55b9f27e15624e67c093fef0885d014c031043be9b2c1beaae2da50980aec6544e7ed43bb1d8e592be7