Analysis
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max time kernel
120s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
23-08-2024 18:16
Static task
static1
Behavioral task
behavioral1
Sample
d8a83c4911a1a3ad2912ae7d5d192350N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
d8a83c4911a1a3ad2912ae7d5d192350N.exe
Resource
win10v2004-20240802-en
General
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Target
d8a83c4911a1a3ad2912ae7d5d192350N.exe
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Size
115KB
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MD5
d8a83c4911a1a3ad2912ae7d5d192350
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SHA1
748e7d8b45a5f0997b75a1c523602e884773700c
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SHA256
b46d00f45d89113b5ef42c11f5b788a9f0d5f3067cf91db08a264c7729c2413f
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SHA512
62826f0188b82e6a11f210ad977854fc7f8a823e7a0139aaa4bb630cca938fcbb3d2028e4e3caa7cbe034fdb1a9930cf512c277557e3dca388a55948a53c0d26
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeQzb:P5eznsjsguGDFqGZ2rxb
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 1744 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
d8a83c4911a1a3ad2912ae7d5d192350N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation d8a83c4911a1a3ad2912ae7d5d192350N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 3252 chargeable.exe 3432 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d8a83c4911a1a3ad2912ae7d5d192350N.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" d8a83c4911a1a3ad2912ae7d5d192350N.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\\d8a83c4911a1a3ad2912ae7d5d192350N.exe" d8a83c4911a1a3ad2912ae7d5d192350N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 3252 set thread context of 3432 3252 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:
d8a83c4911a1a3ad2912ae7d5d192350N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d8a83c4911a1a3ad2912ae7d5d192350N.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 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe Token: 33 3432 chargeable.exe Token: SeIncBasePriorityPrivilege 3432 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
d8a83c4911a1a3ad2912ae7d5d192350N.exechargeable.exechargeable.exedescription pid process target process PID 4884 wrote to memory of 3252 4884 d8a83c4911a1a3ad2912ae7d5d192350N.exe chargeable.exe PID 4884 wrote to memory of 3252 4884 d8a83c4911a1a3ad2912ae7d5d192350N.exe chargeable.exe PID 4884 wrote to memory of 3252 4884 d8a83c4911a1a3ad2912ae7d5d192350N.exe chargeable.exe PID 3252 wrote to memory of 3432 3252 chargeable.exe chargeable.exe PID 3252 wrote to memory of 3432 3252 chargeable.exe chargeable.exe PID 3252 wrote to memory of 3432 3252 chargeable.exe chargeable.exe PID 3252 wrote to memory of 3432 3252 chargeable.exe chargeable.exe PID 3252 wrote to memory of 3432 3252 chargeable.exe chargeable.exe PID 3252 wrote to memory of 3432 3252 chargeable.exe chargeable.exe PID 3252 wrote to memory of 3432 3252 chargeable.exe chargeable.exe PID 3252 wrote to memory of 3432 3252 chargeable.exe chargeable.exe PID 3432 wrote to memory of 1744 3432 chargeable.exe netsh.exe PID 3432 wrote to memory of 1744 3432 chargeable.exe netsh.exe PID 3432 wrote to memory of 1744 3432 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d8a83c4911a1a3ad2912ae7d5d192350N.exe"C:\Users\Admin\AppData\Local\Temp\d8a83c4911a1a3ad2912ae7d5d192350N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4884 -
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:3252 -
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:3432 -
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:1744
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
MD53b4c0ecdc95463e457408060f8e6ee7c
SHA105dbe653eabe642e92823e8e5182f2b9e46d8a99
SHA256559c39bbad894b6739ce4f3dca5bc0e14fd74988d37418d804fce1cd06f7bfc8
SHA51222fa3b53c05db5e8432ad8310ff9f680354861f935f5482c32c3a21120b5eb8347032a002ecd7e63a503dadc33688c9f83cd78117a25ee15b8d0e21aab522e2e