Analysis
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max time kernel
118s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22-08-2024 16:50
Static task
static1
Behavioral task
behavioral1
Sample
b9b7ff811fbcd919e52025e0cc43df00N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
b9b7ff811fbcd919e52025e0cc43df00N.exe
Resource
win10v2004-20240802-en
General
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Target
b9b7ff811fbcd919e52025e0cc43df00N.exe
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Size
117KB
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MD5
b9b7ff811fbcd919e52025e0cc43df00
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SHA1
de140a3f0e2d1ac5e8af631fb483fad115de8b95
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SHA256
14198abd49a3dd1b706266823e80c82ce97503b47ce9ba18999a6b665d03ceb8
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SHA512
a7cbc8242046a040e7113e193a43873178f816663b60cf6199ea1bd393c05dd954eaea7896314587411c57eed5c76ebd1c99282b328f97c2b161d184d67e00ca
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLCGIm4:P5eznsjsguGDFqGZ2rDLIm4
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 4088 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b9b7ff811fbcd919e52025e0cc43df00N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation b9b7ff811fbcd919e52025e0cc43df00N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 3268 chargeable.exe 1736 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b9b7ff811fbcd919e52025e0cc43df00N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" b9b7ff811fbcd919e52025e0cc43df00N.exe Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b9b7ff811fbcd919e52025e0cc43df00N.exe" b9b7ff811fbcd919e52025e0cc43df00N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 3268 set thread context of 1736 3268 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 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.
Processes:
b9b7ff811fbcd919e52025e0cc43df00N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b9b7ff811fbcd919e52025e0cc43df00N.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 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe Token: 33 1736 chargeable.exe Token: SeIncBasePriorityPrivilege 1736 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
b9b7ff811fbcd919e52025e0cc43df00N.exechargeable.exechargeable.exedescription pid process target process PID 836 wrote to memory of 3268 836 b9b7ff811fbcd919e52025e0cc43df00N.exe chargeable.exe PID 836 wrote to memory of 3268 836 b9b7ff811fbcd919e52025e0cc43df00N.exe chargeable.exe PID 836 wrote to memory of 3268 836 b9b7ff811fbcd919e52025e0cc43df00N.exe chargeable.exe PID 3268 wrote to memory of 1736 3268 chargeable.exe chargeable.exe PID 3268 wrote to memory of 1736 3268 chargeable.exe chargeable.exe PID 3268 wrote to memory of 1736 3268 chargeable.exe chargeable.exe PID 3268 wrote to memory of 1736 3268 chargeable.exe chargeable.exe PID 3268 wrote to memory of 1736 3268 chargeable.exe chargeable.exe PID 3268 wrote to memory of 1736 3268 chargeable.exe chargeable.exe PID 3268 wrote to memory of 1736 3268 chargeable.exe chargeable.exe PID 3268 wrote to memory of 1736 3268 chargeable.exe chargeable.exe PID 1736 wrote to memory of 4088 1736 chargeable.exe netsh.exe PID 1736 wrote to memory of 4088 1736 chargeable.exe netsh.exe PID 1736 wrote to memory of 4088 1736 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b9b7ff811fbcd919e52025e0cc43df00N.exe"C:\Users\Admin\AppData\Local\Temp\b9b7ff811fbcd919e52025e0cc43df00N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:836 -
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:3268 -
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:1736 -
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:4088
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
117KB
MD58ad570e54844382cac3e56fd2479591d
SHA1286c80e1480822879e4c46472dc06ed8692cda20
SHA25662c0094a3279ab43d2f848fcf98fbdb8c7262ef20aeac1cb968f8dd8ca47516b
SHA512d559c4ab6ded7f2f8c8e0cce310f5a778aab23c5eca4c760a3903eb786f387605e66cd60a75688a4cf6b589f59595625ec91db7dc665d1fe8c76ab1dbfd68263