Analysis
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max time kernel
147s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10-08-2024 20:58
Static task
static1
Behavioral task
behavioral1
Sample
42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe
Resource
win10v2004-20240802-en
General
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Target
42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe
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Size
115KB
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MD5
b041bb8145f8237186aeee76a6bc8fc0
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SHA1
b1e230ade2a9f0fc4be95a544b42e6a6e16c5814
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SHA256
42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c
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SHA512
16009c2fd22508b46caedd7a98282304c1fed084556e8fd18869b48edf38f589546d5d5a5a7faeaba57a31111730b7d3ea9d7651aabfbc547e18e7f830fcc8d4
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMCh:P5eznsjsguGDFqGZ2rCh
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 684 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 1964 chargeable.exe 3172 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe" 42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 1964 set thread context of 3172 1964 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 value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \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:
chargeable.exenetsh.exe42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exechargeable.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe -
Suspicious use of AdjustPrivilegeToken 33 IoCs
Processes:
chargeable.exedescription pid process Token: SeDebugPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe Token: 33 3172 chargeable.exe Token: SeIncBasePriorityPrivilege 3172 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exechargeable.exechargeable.exedescription pid process target process PID 1260 wrote to memory of 1964 1260 42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe chargeable.exe PID 1260 wrote to memory of 1964 1260 42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe chargeable.exe PID 1260 wrote to memory of 1964 1260 42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe chargeable.exe PID 1964 wrote to memory of 3172 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3172 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3172 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3172 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3172 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3172 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3172 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3172 1964 chargeable.exe chargeable.exe PID 3172 wrote to memory of 684 3172 chargeable.exe netsh.exe PID 3172 wrote to memory of 684 3172 chargeable.exe netsh.exe PID 3172 wrote to memory of 684 3172 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe"C:\Users\Admin\AppData\Local\Temp\42d82cbdcca10ece04b362230375a514cee3bd67235be102ccce95eef2be4d1c.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1260 -
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:1964 -
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:3172 -
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:684
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
115KB
MD505d1106977791b804003472d4a7d5f92
SHA1bf81d16eaa3cfd845986f25d1c78fc3d0640663f
SHA2566d1d12c3cb00a660d9c4e300a40fe60df289c500647410d249f01534cae04a8b
SHA512f37aafc552c6c1324fcdb3c37cd562576bb4ed6bf0d91f0df84be0d3a5b90adf78763bceb690c0c15ea382cbe1610ab7124fb1b5e57cc6e6569ce6cb551e4e5c