Analysis
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max time kernel
115s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13-08-2024 09:55
Static task
static1
Behavioral task
behavioral1
Sample
76bfb683aa72f819a5013ef0ff2bdf80N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
76bfb683aa72f819a5013ef0ff2bdf80N.exe
Resource
win10v2004-20240802-en
General
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Target
76bfb683aa72f819a5013ef0ff2bdf80N.exe
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Size
116KB
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MD5
76bfb683aa72f819a5013ef0ff2bdf80
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SHA1
ced6e9df5bd75c78a2300553c465dd77bc78f406
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SHA256
9ec1fe32c7553b58be4bb840ca7c32b665141a8d9f31d3eccaa02b4bef8783f1
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SHA512
479f595426a604542531a702299d35c624d3129aaa457d7efcdcbac6dd5f35a5e16915dd0e1599d4eaa8888e4557d1796e033b39bcca105647ffccf504641298
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZM:P5eznsjsguGDFqGZ2rDLZM
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 3824 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
76bfb683aa72f819a5013ef0ff2bdf80N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 76bfb683aa72f819a5013ef0ff2bdf80N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 3780 chargeable.exe 2024 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
76bfb683aa72f819a5013ef0ff2bdf80N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 76bfb683aa72f819a5013ef0ff2bdf80N.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\76bfb683aa72f819a5013ef0ff2bdf80N.exe" 76bfb683aa72f819a5013ef0ff2bdf80N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 3780 set thread context of 2024 3780 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:
76bfb683aa72f819a5013ef0ff2bdf80N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 76bfb683aa72f819a5013ef0ff2bdf80N.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 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe Token: 33 2024 chargeable.exe Token: SeIncBasePriorityPrivilege 2024 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
76bfb683aa72f819a5013ef0ff2bdf80N.exechargeable.exechargeable.exedescription pid process target process PID 4508 wrote to memory of 3780 4508 76bfb683aa72f819a5013ef0ff2bdf80N.exe chargeable.exe PID 4508 wrote to memory of 3780 4508 76bfb683aa72f819a5013ef0ff2bdf80N.exe chargeable.exe PID 4508 wrote to memory of 3780 4508 76bfb683aa72f819a5013ef0ff2bdf80N.exe chargeable.exe PID 3780 wrote to memory of 2024 3780 chargeable.exe chargeable.exe PID 3780 wrote to memory of 2024 3780 chargeable.exe chargeable.exe PID 3780 wrote to memory of 2024 3780 chargeable.exe chargeable.exe PID 3780 wrote to memory of 2024 3780 chargeable.exe chargeable.exe PID 3780 wrote to memory of 2024 3780 chargeable.exe chargeable.exe PID 3780 wrote to memory of 2024 3780 chargeable.exe chargeable.exe PID 3780 wrote to memory of 2024 3780 chargeable.exe chargeable.exe PID 3780 wrote to memory of 2024 3780 chargeable.exe chargeable.exe PID 2024 wrote to memory of 3824 2024 chargeable.exe netsh.exe PID 2024 wrote to memory of 3824 2024 chargeable.exe netsh.exe PID 2024 wrote to memory of 3824 2024 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\76bfb683aa72f819a5013ef0ff2bdf80N.exe"C:\Users\Admin\AppData\Local\Temp\76bfb683aa72f819a5013ef0ff2bdf80N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4508 -
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:3780 -
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:2024 -
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:3824
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
116KB
MD5c1dc3a857c58ba22e401d84de977addc
SHA1cc6215a61f83a867833624a598b36ccff41d15c7
SHA2569f2b1fb67a55b32a437433a9ab2b363bc2efa877099a0755f2766385c5bd48c4
SHA51228557c7fc0f8485b75ad5e2a5e60a3ad772d5751dd2697491434b0ff8606f54d7328245e958b3e9e394e1c660ce19ca2f0ccc56e6dc19a0bb49ce7fca5263e48