Analysis
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max time kernel
150s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
17-12-2024 04:39
Behavioral task
behavioral1
Sample
d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe
Resource
win7-20240729-en
windows7-x64
Behavioral task
behavioral2
Sample
d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
General
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Target
d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe
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Size
37KB
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MD5
cbc4f2b569739e02f228eb0b3552e6d4
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SHA1
16311eee886788bf935b1cc262677c911720dd67
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SHA256
d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f
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SHA512
abb9bb78ded6dd5f2583466628b4c64515ff1941d6f39f232a380bb207358fcb99c50e019614bd8d95ca152442fcd8796605d1aa5db365e168645804c1e58ab7
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SSDEEP
768:g20DwODZX8f22s9aVIrM+rMRa8NuSNvt:g/TZM+2sEVT+gRJNVN
Malware Config
Extracted
njrat
im523
dock.exe
pool-tournaments.gl.at.ply.gg:7445
ec1d783eda90ea4f1a73218af4fd58aa
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reg_key
ec1d783eda90ea4f1a73218af4fd58aa
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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 2804 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ec1d783eda90ea4f1a73218af4fd58aa.exe dlscord.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ec1d783eda90ea4f1a73218af4fd58aa.exe dlscord.exe -
Executes dropped EXE 1 IoCs
pid Process 1968 dlscord.exe -
Loads dropped DLL 1 IoCs
pid Process 1856 d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.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\ec1d783eda90ea4f1a73218af4fd58aa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dlscord.exe\" .." dlscord.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ec1d783eda90ea4f1a73218af4fd58aa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dlscord.exe\" .." dlscord.exe -
Drops autorun.inf file 1 TTPs 5 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created D:\autorun.inf dlscord.exe File created F:\autorun.inf dlscord.exe File opened for modification F:\autorun.inf dlscord.exe File created C:\autorun.inf dlscord.exe File opened for modification C:\autorun.inf dlscord.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 d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dlscord.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe 1968 dlscord.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1968 dlscord.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe Token: 33 1968 dlscord.exe Token: SeIncBasePriorityPrivilege 1968 dlscord.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1856 wrote to memory of 1968 1856 d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe 30 PID 1856 wrote to memory of 1968 1856 d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe 30 PID 1856 wrote to memory of 1968 1856 d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe 30 PID 1856 wrote to memory of 1968 1856 d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe 30 PID 1968 wrote to memory of 2804 1968 dlscord.exe 31 PID 1968 wrote to memory of 2804 1968 dlscord.exe 31 PID 1968 wrote to memory of 2804 1968 dlscord.exe 31 PID 1968 wrote to memory of 2804 1968 dlscord.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe"C:\Users\Admin\AppData\Local\Temp\d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Users\Admin\AppData\Local\Temp\dlscord.exe"C:\Users\Admin\AppData\Local\Temp\dlscord.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\dlscord.exe" "dlscord.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2804
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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
37KB
MD5cbc4f2b569739e02f228eb0b3552e6d4
SHA116311eee886788bf935b1cc262677c911720dd67
SHA256d4b85844f374cf0fc56326afea865c2b9c773c60bfffe0870795a7a4e8b0201f
SHA512abb9bb78ded6dd5f2583466628b4c64515ff1941d6f39f232a380bb207358fcb99c50e019614bd8d95ca152442fcd8796605d1aa5db365e168645804c1e58ab7