Analysis
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max time kernel
115s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12-08-2024 23:32
Static task
static1
Behavioral task
behavioral1
Sample
b041bb8145f8237186aeee76a6bc8fc0N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
b041bb8145f8237186aeee76a6bc8fc0N.exe
Resource
win10v2004-20240802-en
General
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Target
b041bb8145f8237186aeee76a6bc8fc0N.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 1744 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b041bb8145f8237186aeee76a6bc8fc0N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation b041bb8145f8237186aeee76a6bc8fc0N.exe -
Executes dropped EXE 4 IoCs
Processes:
chargeable.exechargeable.exechargeable.exechargeable.exepid process 4808 chargeable.exe 1008 chargeable.exe 4004 chargeable.exe 892 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b041bb8145f8237186aeee76a6bc8fc0N.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" b041bb8145f8237186aeee76a6bc8fc0N.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\\b041bb8145f8237186aeee76a6bc8fc0N.exe" b041bb8145f8237186aeee76a6bc8fc0N.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
chargeable.exedescription pid process target process PID 4808 set thread context of 1008 4808 chargeable.exe chargeable.exe PID 4808 set thread context of 4004 4808 chargeable.exe chargeable.exe PID 4808 set thread context of 892 4808 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 -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4036 892 WerFault.exe chargeable.exe 2848 4004 WerFault.exe chargeable.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:
b041bb8145f8237186aeee76a6bc8fc0N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b041bb8145f8237186aeee76a6bc8fc0N.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 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe Token: 33 1008 chargeable.exe Token: SeIncBasePriorityPrivilege 1008 chargeable.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
b041bb8145f8237186aeee76a6bc8fc0N.exechargeable.exechargeable.exedescription pid process target process PID 4660 wrote to memory of 4808 4660 b041bb8145f8237186aeee76a6bc8fc0N.exe chargeable.exe PID 4660 wrote to memory of 4808 4660 b041bb8145f8237186aeee76a6bc8fc0N.exe chargeable.exe PID 4660 wrote to memory of 4808 4660 b041bb8145f8237186aeee76a6bc8fc0N.exe chargeable.exe PID 4808 wrote to memory of 892 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 892 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 892 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 4004 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 4004 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 4004 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 1008 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 1008 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 1008 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 1008 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 1008 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 1008 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 1008 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 1008 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 4004 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 4004 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 4004 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 4004 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 4004 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 892 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 892 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 892 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 892 4808 chargeable.exe chargeable.exe PID 4808 wrote to memory of 892 4808 chargeable.exe chargeable.exe PID 1008 wrote to memory of 1744 1008 chargeable.exe netsh.exe PID 1008 wrote to memory of 1744 1008 chargeable.exe netsh.exe PID 1008 wrote to memory of 1744 1008 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b041bb8145f8237186aeee76a6bc8fc0N.exe"C:\Users\Admin\AppData\Local\Temp\b041bb8145f8237186aeee76a6bc8fc0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4660 -
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:4808 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exeC:\Users\Admin\AppData\Roaming\confuse\chargeable.exe3⤵
- Executes dropped EXE
PID:892 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 844⤵
- Program crash
PID:4036 -
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exeC:\Users\Admin\AppData\Roaming\confuse\chargeable.exe3⤵
- Executes dropped EXE
PID:4004 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 804⤵
- Program crash
PID:2848 -
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:1008 -
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
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 892 -ip 8921⤵PID:4656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4004 -ip 40041⤵PID:3536
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
115KB
MD556d13d453d3fde192608b9ba80457e62
SHA11113f12482f1666df4d483a9304a09f29255ec20
SHA25609547f291aea3de5282cfafb271299830c8ab2bda7f26c05a86ae1452058a96f
SHA51232379219fce0aae4bc34e136cab90936f0ae5eb4053528cf7d4c916124455e15f8ddf8824b9a1f214d6e439f48b2e0f8eec556b791c64321e4fa546c7bec52b8