Analysis
-
max time kernel
114s -
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
13-08-2024 01:24
Static task
static1
Behavioral task
behavioral1
Sample
38640fc973c8e68e7b328afa24290930N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
38640fc973c8e68e7b328afa24290930N.exe
Resource
win10v2004-20240802-en
General
-
Target
38640fc973c8e68e7b328afa24290930N.exe
-
Size
115KB
-
MD5
38640fc973c8e68e7b328afa24290930
-
SHA1
bf5e6970ea894aa8c74c0d738bfd51102215708c
-
SHA256
3750ec187b939572bc252d9c9c5a132435f20d6a16fbeea0b3269106a8094b8f
-
SHA512
9418d3b08e0760c42f04f4fc272921b2e39135cba3885c8b68953e9cdb553dc59665a0bcde140ed4851700d671eaa535d092d174a62be03971e5d1b1a1c1a648
-
SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIv:P5eznsjsguGDFqGZ2rDIv
Malware Config
Extracted
njrat
0.7d
neuf
doddyfire.linkpc.net:10000
e1a87040f2026369a233f9ae76301b7b
-
reg_key
e1a87040f2026369a233f9ae76301b7b
-
splitter
|'|'|
Signatures
-
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3440 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
38640fc973c8e68e7b328afa24290930N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 38640fc973c8e68e7b328afa24290930N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 4520 chargeable.exe 5052 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
38640fc973c8e68e7b328afa24290930N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 38640fc973c8e68e7b328afa24290930N.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\38640fc973c8e68e7b328afa24290930N.exe" 38640fc973c8e68e7b328afa24290930N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 4520 set thread context of 5052 4520 chargeable.exe chargeable.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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:
38640fc973c8e68e7b328afa24290930N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 38640fc973c8e68e7b328afa24290930N.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 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe Token: 33 5052 chargeable.exe Token: SeIncBasePriorityPrivilege 5052 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
38640fc973c8e68e7b328afa24290930N.exechargeable.exechargeable.exedescription pid process target process PID 4556 wrote to memory of 4520 4556 38640fc973c8e68e7b328afa24290930N.exe chargeable.exe PID 4556 wrote to memory of 4520 4556 38640fc973c8e68e7b328afa24290930N.exe chargeable.exe PID 4556 wrote to memory of 4520 4556 38640fc973c8e68e7b328afa24290930N.exe chargeable.exe PID 4520 wrote to memory of 5052 4520 chargeable.exe chargeable.exe PID 4520 wrote to memory of 5052 4520 chargeable.exe chargeable.exe PID 4520 wrote to memory of 5052 4520 chargeable.exe chargeable.exe PID 4520 wrote to memory of 5052 4520 chargeable.exe chargeable.exe PID 4520 wrote to memory of 5052 4520 chargeable.exe chargeable.exe PID 4520 wrote to memory of 5052 4520 chargeable.exe chargeable.exe PID 4520 wrote to memory of 5052 4520 chargeable.exe chargeable.exe PID 4520 wrote to memory of 5052 4520 chargeable.exe chargeable.exe PID 5052 wrote to memory of 3440 5052 chargeable.exe netsh.exe PID 5052 wrote to memory of 3440 5052 chargeable.exe netsh.exe PID 5052 wrote to memory of 3440 5052 chargeable.exe netsh.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\38640fc973c8e68e7b328afa24290930N.exe"C:\Users\Admin\AppData\Local\Temp\38640fc973c8e68e7b328afa24290930N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4556 -
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:4520 -
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:5052 -
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:3440
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
-
Filesize
400B
MD50a9b4592cd49c3c21f6767c2dabda92f
SHA1f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA256c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
SHA5126b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
-
Filesize
115KB
MD58231277f3444dc727ac5725d19142ec2
SHA117f0d0c9db7f2fffb19793759fa1472d7790ccbe
SHA256484a9df55fc6826b04c7b634d711fb8c1834b794893b96861a9b53f2bec5c30c
SHA512cbb215d006ea5fdb0dfe0019826f0304da4c75805d982c984ee997b503a4b5419943f993eb3c221bf7a7e63b6da02e56aa754c05453461605b638c2bacf450a3