Analysis
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max time kernel
114s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2024 08:20
Static task
static1
Behavioral task
behavioral1
Sample
e92558ae38e7e4265d09e8c75eea1fe0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
e92558ae38e7e4265d09e8c75eea1fe0N.exe
Resource
win10v2004-20240802-en
General
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Target
e92558ae38e7e4265d09e8c75eea1fe0N.exe
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Size
118KB
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MD5
e92558ae38e7e4265d09e8c75eea1fe0
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SHA1
5de2f64c6126771c1b1b1c7e2441e709bd008a97
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SHA256
3d90e73d4a2d7b46de5897b1db7fdbca33b49e713bd215743f76d582b547a230
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SHA512
2cd8e1cc4eee377b92cb0d8ab883a03355929fad404863c6e77276d0be4c8bdf232a4f7dc866e3c36ae38faca1f25ed141ddeb97c1ca08d5367bb71e31cd5bab
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FgE:P5eznsjsguGDFqGZ2rDL14FgE
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 5000 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
e92558ae38e7e4265d09e8c75eea1fe0N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation e92558ae38e7e4265d09e8c75eea1fe0N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 1452 chargeable.exe 3160 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e92558ae38e7e4265d09e8c75eea1fe0N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" e92558ae38e7e4265d09e8c75eea1fe0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e92558ae38e7e4265d09e8c75eea1fe0N.exe" e92558ae38e7e4265d09e8c75eea1fe0N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 1452 set thread context of 3160 1452 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:
e92558ae38e7e4265d09e8c75eea1fe0N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e92558ae38e7e4265d09e8c75eea1fe0N.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 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe Token: 33 3160 chargeable.exe Token: SeIncBasePriorityPrivilege 3160 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
e92558ae38e7e4265d09e8c75eea1fe0N.exechargeable.exechargeable.exedescription pid process target process PID 3868 wrote to memory of 1452 3868 e92558ae38e7e4265d09e8c75eea1fe0N.exe chargeable.exe PID 3868 wrote to memory of 1452 3868 e92558ae38e7e4265d09e8c75eea1fe0N.exe chargeable.exe PID 3868 wrote to memory of 1452 3868 e92558ae38e7e4265d09e8c75eea1fe0N.exe chargeable.exe PID 1452 wrote to memory of 3160 1452 chargeable.exe chargeable.exe PID 1452 wrote to memory of 3160 1452 chargeable.exe chargeable.exe PID 1452 wrote to memory of 3160 1452 chargeable.exe chargeable.exe PID 1452 wrote to memory of 3160 1452 chargeable.exe chargeable.exe PID 1452 wrote to memory of 3160 1452 chargeable.exe chargeable.exe PID 1452 wrote to memory of 3160 1452 chargeable.exe chargeable.exe PID 1452 wrote to memory of 3160 1452 chargeable.exe chargeable.exe PID 1452 wrote to memory of 3160 1452 chargeable.exe chargeable.exe PID 3160 wrote to memory of 5000 3160 chargeable.exe netsh.exe PID 3160 wrote to memory of 5000 3160 chargeable.exe netsh.exe PID 3160 wrote to memory of 5000 3160 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e92558ae38e7e4265d09e8c75eea1fe0N.exe"C:\Users\Admin\AppData\Local\Temp\e92558ae38e7e4265d09e8c75eea1fe0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3868 -
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:1452 -
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:3160 -
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:5000
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
118KB
MD5c28ab1e9ed5e50db5ec7afc3a94826c6
SHA17d339ec3a37857777289e343c1dc91d02133bb14
SHA2568bd4692aa627bd894a91a72874876e5990cab66f03af0f3a6782bad872d77c27
SHA512db444820a00138ed506b2d17f596b69e83125a5682df01ece4522947fc4787f3786fbb956e217ded464cb95cf882b1c9a6900b92f76c6b733d0d76a437937a01