Analysis
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max time kernel
114s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-08-2024 05:10
Static task
static1
Behavioral task
behavioral1
Sample
a3485b702501c9c4d4b9dc1936f804e0N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
a3485b702501c9c4d4b9dc1936f804e0N.exe
Resource
win10v2004-20240802-en
General
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Target
a3485b702501c9c4d4b9dc1936f804e0N.exe
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Size
118KB
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MD5
a3485b702501c9c4d4b9dc1936f804e0
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SHA1
9dceabfaaa1f278ceb0628069cfb9adbd57b8c84
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SHA256
18675bf38698c988e1d10313cb7e5e14e70c57ed409774129738ed06f45221d7
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SHA512
8719e0a00fc4aef716baab23032dc22359d39fefb3a4805d281c42621388b407e45a3cfaa8982d92053fd2fd9fa121fe03bfb584eb76f9d16ad616aa0d228a92
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZ/6t:P5eznsjsguGDFqGZ2rDLZ/8
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 3720 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a3485b702501c9c4d4b9dc1936f804e0N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation a3485b702501c9c4d4b9dc1936f804e0N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 4548 chargeable.exe 3236 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
a3485b702501c9c4d4b9dc1936f804e0N.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" a3485b702501c9c4d4b9dc1936f804e0N.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\\a3485b702501c9c4d4b9dc1936f804e0N.exe" a3485b702501c9c4d4b9dc1936f804e0N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 4548 set thread context of 3236 4548 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:
a3485b702501c9c4d4b9dc1936f804e0N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a3485b702501c9c4d4b9dc1936f804e0N.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 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe Token: 33 3236 chargeable.exe Token: SeIncBasePriorityPrivilege 3236 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
a3485b702501c9c4d4b9dc1936f804e0N.exechargeable.exechargeable.exedescription pid process target process PID 3032 wrote to memory of 4548 3032 a3485b702501c9c4d4b9dc1936f804e0N.exe chargeable.exe PID 3032 wrote to memory of 4548 3032 a3485b702501c9c4d4b9dc1936f804e0N.exe chargeable.exe PID 3032 wrote to memory of 4548 3032 a3485b702501c9c4d4b9dc1936f804e0N.exe chargeable.exe PID 4548 wrote to memory of 3236 4548 chargeable.exe chargeable.exe PID 4548 wrote to memory of 3236 4548 chargeable.exe chargeable.exe PID 4548 wrote to memory of 3236 4548 chargeable.exe chargeable.exe PID 4548 wrote to memory of 3236 4548 chargeable.exe chargeable.exe PID 4548 wrote to memory of 3236 4548 chargeable.exe chargeable.exe PID 4548 wrote to memory of 3236 4548 chargeable.exe chargeable.exe PID 4548 wrote to memory of 3236 4548 chargeable.exe chargeable.exe PID 4548 wrote to memory of 3236 4548 chargeable.exe chargeable.exe PID 3236 wrote to memory of 3720 3236 chargeable.exe netsh.exe PID 3236 wrote to memory of 3720 3236 chargeable.exe netsh.exe PID 3236 wrote to memory of 3720 3236 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a3485b702501c9c4d4b9dc1936f804e0N.exe"C:\Users\Admin\AppData\Local\Temp\a3485b702501c9c4d4b9dc1936f804e0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032 -
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:4548 -
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:3236 -
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:3720
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
118KB
MD58ad71f1f26149a32e03120efe1b3548f
SHA1d181e3f45592b87cd81b0605269f43ca8d0dadda
SHA25652247a9b116347fd9a8553a3e23711673b265de67d61d90203603eb4a6c80459
SHA51259d4afdf1d808e399bc81bc3c4e61d0d082e843c7f364f6b3f4454c1f6a27dd2fde09d5b1c9d8e15461cb7efd0237090b4b7c97ea386851bd75e27c0371628c9