Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11-08-2024 00:10
Static task
static1
Behavioral task
behavioral1
Sample
91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe
Resource
win10v2004-20240802-en
General
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Target
91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe
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Size
114KB
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MD5
6a926b692d4e7626193420eb611a7be2
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SHA1
a117228eaaab2a15d41de64c307541be5fdc979c
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SHA256
91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce
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SHA512
baf3ed027b8d621cdadf9cbd6ef7be9b1af50bc021ed8ead76dd94e278f5147bc83cb8600b8b0a51bc0df3a34162c8d260a09533c4890a70b5b8aad3dc45ae73
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeL:P5eznsjsguGDFqGZ2rq
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 752 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 3848 chargeable.exe 1408 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.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" 91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.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\\91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe" 91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 3848 set thread context of 1408 3848 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 queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \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:
91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.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 33 IoCs
Processes:
chargeable.exedescription pid process Token: SeDebugPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe Token: 33 1408 chargeable.exe Token: SeIncBasePriorityPrivilege 1408 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exechargeable.exechargeable.exedescription pid process target process PID 2520 wrote to memory of 3848 2520 91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe chargeable.exe PID 2520 wrote to memory of 3848 2520 91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe chargeable.exe PID 2520 wrote to memory of 3848 2520 91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe chargeable.exe PID 3848 wrote to memory of 1408 3848 chargeable.exe chargeable.exe PID 3848 wrote to memory of 1408 3848 chargeable.exe chargeable.exe PID 3848 wrote to memory of 1408 3848 chargeable.exe chargeable.exe PID 3848 wrote to memory of 1408 3848 chargeable.exe chargeable.exe PID 3848 wrote to memory of 1408 3848 chargeable.exe chargeable.exe PID 3848 wrote to memory of 1408 3848 chargeable.exe chargeable.exe PID 3848 wrote to memory of 1408 3848 chargeable.exe chargeable.exe PID 3848 wrote to memory of 1408 3848 chargeable.exe chargeable.exe PID 1408 wrote to memory of 752 1408 chargeable.exe netsh.exe PID 1408 wrote to memory of 752 1408 chargeable.exe netsh.exe PID 1408 wrote to memory of 752 1408 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe"C:\Users\Admin\AppData\Local\Temp\91ce9d9d01ed7632befdb10cc87000c432a5ed93781a0e317375d643deb7fdce.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
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:3848 -
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:1408 -
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:752
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
114KB
MD562c3e107370a73b438652ee6237e5f09
SHA1c5b0f11c4f03bb2ae1291e6ee11c441232a5d962
SHA256ec9d1555cd1845da4bbd5ad5158e6b81b447dbdd1bb52ea7b076f54e228695f0
SHA512a98ec5a35ba8f8e64d70b99f22b911a2771ab8fe80a11b851baa8319c92cd84f70ce1d1250266dfee5fea0a3b719866deadd3f3721a877ea5b650f8f4f093d32