Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2024 03:21
Static task
static1
Behavioral task
behavioral1
Sample
dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe
Resource
win10v2004-20241007-en
General
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Target
dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe
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Size
113KB
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MD5
7d77e5b9c5652a18f5b17db180acfb3b
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SHA1
89e6748c7b986bdcff0f6a7452e9e77c88d983b6
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SHA256
dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5
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SHA512
68aea0bca577f83cb7e9c8c50fea2292302d5a1b8a501494a8de3416ab949f7050054c0cb47cf4296db3a43c982124e817c4d0ae1c6571b6a55d2b7127aa4833
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SSDEEP
1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Rm:w5eznsjsguGDFqGx8egoxmO3rRm
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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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1048 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe -
Executes dropped EXE 2 IoCs
pid Process 4212 chargeable.exe 3076 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe" dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4212 set thread context of 3076 4212 chargeable.exe 101 -
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.
description 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.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
description pid Process Token: SeDebugPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe Token: 33 3076 chargeable.exe Token: SeIncBasePriorityPrivilege 3076 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4236 wrote to memory of 4212 4236 dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe 100 PID 4236 wrote to memory of 4212 4236 dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe 100 PID 4236 wrote to memory of 4212 4236 dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe 100 PID 4212 wrote to memory of 3076 4212 chargeable.exe 101 PID 4212 wrote to memory of 3076 4212 chargeable.exe 101 PID 4212 wrote to memory of 3076 4212 chargeable.exe 101 PID 4212 wrote to memory of 3076 4212 chargeable.exe 101 PID 4212 wrote to memory of 3076 4212 chargeable.exe 101 PID 4212 wrote to memory of 3076 4212 chargeable.exe 101 PID 4212 wrote to memory of 3076 4212 chargeable.exe 101 PID 4212 wrote to memory of 3076 4212 chargeable.exe 101 PID 3076 wrote to memory of 1048 3076 chargeable.exe 103 PID 3076 wrote to memory of 1048 3076 chargeable.exe 103 PID 3076 wrote to memory of 1048 3076 chargeable.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe"C:\Users\Admin\AppData\Local\Temp\dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4236 -
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:4212 -
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:3076 -
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:1048
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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
113KB
MD58375a440492216257459e72665c05278
SHA1f8d1a45cef4db0a2d0d34e180fb170f44af8e346
SHA2567b3c32ab372b58e0a2e87dd0f2585ce09fee690572b9e3e4b7cb157ae61695b2
SHA51211d2e4fbffc8f1a37834e03a3a2f803f06d714f2fd137784716275a00765bc8bcd9c86f91be40009fab954ac6b27babff4634f66c7a6918fbe77776b9e2a233a