Analysis
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max time kernel
115s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15-09-2024 03:51
Static task
static1
Behavioral task
behavioral1
Sample
99c26779cbc9d5de6148596676db53b0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
99c26779cbc9d5de6148596676db53b0N.exe
Resource
win10v2004-20240802-en
General
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Target
99c26779cbc9d5de6148596676db53b0N.exe
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Size
116KB
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MD5
99c26779cbc9d5de6148596676db53b0
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SHA1
a82b74cdd298644d8b726d0ebfa8b0fc8d4edf26
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SHA256
dad1c22bb32e78c5e87e6b3f698a9b84a392964d3a1f789780acce8fa6a4d445
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SHA512
1d87aec7ef101b9940e37938d3662470689ebc822320758fdc44e12079046c52a8bc9defd24444639e8b5e500c87dd3235e06aef457b6363116235c944e99179
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIt:P5eznsjsguGDFqGZ2rDIt
Malware Config
Extracted
njrat
0.7d
neuf
doddyfire.linkpc.net:10000
e1a87040f2026369a233f9ae76301b7b
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reg_key
e1a87040f2026369a233f9ae76301b7b
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1880 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation 99c26779cbc9d5de6148596676db53b0N.exe -
Executes dropped EXE 2 IoCs
pid Process 3908 chargeable.exe 1948 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 99c26779cbc9d5de6148596676db53b0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\99c26779cbc9d5de6148596676db53b0N.exe" 99c26779cbc9d5de6148596676db53b0N.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3908 set thread context of 1948 3908 chargeable.exe 94 -
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 4 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 99c26779cbc9d5de6148596676db53b0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 25 IoCs
description pid Process Token: SeDebugPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe Token: 33 1948 chargeable.exe Token: SeIncBasePriorityPrivilege 1948 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1064 wrote to memory of 3908 1064 99c26779cbc9d5de6148596676db53b0N.exe 93 PID 1064 wrote to memory of 3908 1064 99c26779cbc9d5de6148596676db53b0N.exe 93 PID 1064 wrote to memory of 3908 1064 99c26779cbc9d5de6148596676db53b0N.exe 93 PID 3908 wrote to memory of 1948 3908 chargeable.exe 94 PID 3908 wrote to memory of 1948 3908 chargeable.exe 94 PID 3908 wrote to memory of 1948 3908 chargeable.exe 94 PID 3908 wrote to memory of 1948 3908 chargeable.exe 94 PID 3908 wrote to memory of 1948 3908 chargeable.exe 94 PID 3908 wrote to memory of 1948 3908 chargeable.exe 94 PID 3908 wrote to memory of 1948 3908 chargeable.exe 94 PID 3908 wrote to memory of 1948 3908 chargeable.exe 94 PID 1948 wrote to memory of 1880 1948 chargeable.exe 95 PID 1948 wrote to memory of 1880 1948 chargeable.exe 95 PID 1948 wrote to memory of 1880 1948 chargeable.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\99c26779cbc9d5de6148596676db53b0N.exe"C:\Users\Admin\AppData\Local\Temp\99c26779cbc9d5de6148596676db53b0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exeC:\Users\Admin\AppData\Roaming\confuse\chargeable.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1880
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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
400B
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
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Filesize
117KB
MD5042852bec6dd2649eb4238bb67875ee6
SHA12ab59509ede6944d6519ba337b9ca0c910b05826
SHA256d812402590a7f2c35e91d32c37d2147c065645bc2cb3435192194b1cf3d23e05
SHA512b5b75c6f0732484473fe30ddbbb54565e32ae8cf563929516421611f5142c2c7aaadaee5d1ec2fbf31895ca6e0b956af0de644297db83c169217545c7895d279