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
07-09-2024 07:31
Static task
static1
Behavioral task
behavioral1
Sample
e15e07b9ae5b1f8ae71666a9e9e47020N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e15e07b9ae5b1f8ae71666a9e9e47020N.exe
Resource
win10v2004-20240802-en
General
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Target
e15e07b9ae5b1f8ae71666a9e9e47020N.exe
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Size
118KB
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MD5
e15e07b9ae5b1f8ae71666a9e9e47020
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SHA1
7bf204ac17f8c434939f6226b58ab6afe48294f0
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SHA256
385226bae9fc32f868fe7dc43562fb30a6cb8470c7b478bc16819da4176052ac
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SHA512
14be9185d6106d983a61dc90287746b6d65982838a8221cde80d990adb5063a33b9f7c9a081d7d869fd8ecbd82ee129afebfacef6cb78543085d2e3fbc1b6272
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZ/6ud:P5eznsjsguGDFqGZ2rDLZ/Z
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
Processes:
netsh.exepid process 4540 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
e15e07b9ae5b1f8ae71666a9e9e47020N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation e15e07b9ae5b1f8ae71666a9e9e47020N.exe -
Executes dropped EXE 3 IoCs
Processes:
chargeable.exechargeable.exechargeable.exepid process 372 chargeable.exe 3784 chargeable.exe 60 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e15e07b9ae5b1f8ae71666a9e9e47020N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e15e07b9ae5b1f8ae71666a9e9e47020N.exe" e15e07b9ae5b1f8ae71666a9e9e47020N.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" e15e07b9ae5b1f8ae71666a9e9e47020N.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
chargeable.exedescription pid process target process PID 372 set thread context of 3784 372 chargeable.exe chargeable.exe PID 372 set thread context of 60 372 chargeable.exe chargeable.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.
Processes:
netsh.exedescription ioc process Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2176 60 WerFault.exe chargeable.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.
Processes:
e15e07b9ae5b1f8ae71666a9e9e47020N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e15e07b9ae5b1f8ae71666a9e9e47020N.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
Processes:
chargeable.exedescription pid process Token: SeDebugPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe Token: 33 3784 chargeable.exe Token: SeIncBasePriorityPrivilege 3784 chargeable.exe -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
e15e07b9ae5b1f8ae71666a9e9e47020N.exechargeable.exechargeable.exedescription pid process target process PID 3664 wrote to memory of 372 3664 e15e07b9ae5b1f8ae71666a9e9e47020N.exe chargeable.exe PID 3664 wrote to memory of 372 3664 e15e07b9ae5b1f8ae71666a9e9e47020N.exe chargeable.exe PID 3664 wrote to memory of 372 3664 e15e07b9ae5b1f8ae71666a9e9e47020N.exe chargeable.exe PID 372 wrote to memory of 60 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 60 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 60 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 3784 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 3784 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 3784 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 3784 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 3784 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 3784 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 3784 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 3784 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 60 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 60 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 60 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 60 372 chargeable.exe chargeable.exe PID 372 wrote to memory of 60 372 chargeable.exe chargeable.exe PID 3784 wrote to memory of 4540 3784 chargeable.exe netsh.exe PID 3784 wrote to memory of 4540 3784 chargeable.exe netsh.exe PID 3784 wrote to memory of 4540 3784 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e15e07b9ae5b1f8ae71666a9e9e47020N.exe"C:\Users\Admin\AppData\Local\Temp\e15e07b9ae5b1f8ae71666a9e9e47020N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3664 -
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:372 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exeC:\Users\Admin\AppData\Roaming\confuse\chargeable.exe3⤵
- Executes dropped EXE
PID:60 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 804⤵
- Program crash
PID:2176 -
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:3784 -
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:4540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 60 -ip 601⤵PID:3976
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
400B
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
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Filesize
118KB
MD56a77557501d10a8a42cadbac86c03547
SHA12d35ed5a5f165eef64e2cc8179701aa8f3b49b46
SHA25660d1b14c5fa08076abbbbdaf00cb492fb8804748932de84cf26d72148263f921
SHA51212e2df41cf2cbe86deaf901f26f5b5a682d9cb7b7cab890792c483bfddc77bc95e89d8f24057decb4a22018ae7a27a42463c6a7ffbede083b86497c65394c41e