Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 01:00
Behavioral task
behavioral1
Sample
5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral2
Sample
5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
General
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Target
5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe
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Size
85KB
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MD5
06282cdd7fa54ea991fba55a50f8d8bd
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SHA1
ba2cc621ce142888e001221b881f18dfdf971d16
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SHA256
5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4
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SHA512
2a0fc3c07392ec03dbbb9b23910fec809266d185c73cbf02dc3fbfca5033d1218eb5be576a3852888afbf5a882b9df6d185d3c4a7394bcc113d584600b60f1d1
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SSDEEP
1536:NX1CKfcCqx+gRJNfxKGU4Q+GhjOwxLfUP0k6rM5cpGPaOK5e:NX4KEp+yJZxKGlYSwxLu0kc5sPe5e
Malware Config
Extracted
njrat
im523
hacked
2.tcp.eu.ngrok.io:19294
08e0b826461df6aaa32a19d4d44ad609
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reg_key
08e0b826461df6aaa32a19d4d44ad609
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splitter
|'|'|
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2820 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\08e0b826461df6aaa32a19d4d44ad609.exe MsMpEng.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\08e0b826461df6aaa32a19d4d44ad609.exe MsMpEng.exe -
Executes dropped EXE 1 IoCs
pid Process 2400 MsMpEng.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\08e0b826461df6aaa32a19d4d44ad609 = "\"C:\\Windows\\MsMpEng.exe\" .." MsMpEng.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\08e0b826461df6aaa32a19d4d44ad609 = "\"C:\\Windows\\MsMpEng.exe\" .." MsMpEng.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
flow ioc 2 2.tcp.eu.ngrok.io 15 2.tcp.eu.ngrok.io 34 2.tcp.eu.ngrok.io -
Drops autorun.inf file 1 TTPs 5 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf MsMpEng.exe File opened for modification C:\autorun.inf MsMpEng.exe File created D:\autorun.inf MsMpEng.exe File created F:\autorun.inf MsMpEng.exe File opened for modification F:\autorun.inf MsMpEng.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\MsMpEng.exe 5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe File opened for modification C:\Windows\MsMpEng.exe 5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe File opened for modification C:\Windows\MsMpEng.exe MsMpEng.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\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \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 5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsMpEng.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe 2400 MsMpEng.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2400 MsMpEng.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe Token: 33 2400 MsMpEng.exe Token: SeIncBasePriorityPrivilege 2400 MsMpEng.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3000 wrote to memory of 2400 3000 5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe 30 PID 3000 wrote to memory of 2400 3000 5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe 30 PID 3000 wrote to memory of 2400 3000 5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe 30 PID 3000 wrote to memory of 2400 3000 5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe 30 PID 2400 wrote to memory of 2820 2400 MsMpEng.exe 32 PID 2400 wrote to memory of 2820 2400 MsMpEng.exe 32 PID 2400 wrote to memory of 2820 2400 MsMpEng.exe 32 PID 2400 wrote to memory of 2820 2400 MsMpEng.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe"C:\Users\Admin\AppData\Local\Temp\5adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\MsMpEng.exe"C:\Windows\MsMpEng.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\MsMpEng.exe" "MsMpEng.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2820
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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
85KB
MD506282cdd7fa54ea991fba55a50f8d8bd
SHA1ba2cc621ce142888e001221b881f18dfdf971d16
SHA2565adacfc1a38f978177f6aa03d8e95e584d75e2cd614aa88a686678f50ec4e0d4
SHA5122a0fc3c07392ec03dbbb9b23910fec809266d185c73cbf02dc3fbfca5033d1218eb5be576a3852888afbf5a882b9df6d185d3c4a7394bcc113d584600b60f1d1