Analysis
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max time kernel
146s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2024 00:44
Static task
static1
Behavioral task
behavioral1
Sample
a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
Resource
win10v2004-20241007-en
General
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Target
a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
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Size
115KB
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MD5
6e969005cdd76dbd9d165152e7809863
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SHA1
9d61a85b63175b898fbdce93c75f779944864166
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SHA256
a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb
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SHA512
333d8b8f95ee7f33635c4d99b7258730f5393cdd510a619c968c28404d3f7eb0e58ad2dcad76aa537b36c6e4e5c911252cbd13ec1b8aa98e68ad1fc455bd0257
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SSDEEP
1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R8fLl:w5eznsjsguGDFqGx8egoxmO3rR8Tl
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 5100 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe -
Executes dropped EXE 2 IoCs
pid Process 2068 chargeable.exe 1164 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe" a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2068 set thread context of 1164 2068 chargeable.exe 93 -
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 chargeable.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chargeable.exe -
Suspicious use of AdjustPrivilegeToken 33 IoCs
description pid Process Token: SeDebugPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe Token: 33 1164 chargeable.exe Token: SeIncBasePriorityPrivilege 1164 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2872 wrote to memory of 2068 2872 a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe 86 PID 2872 wrote to memory of 2068 2872 a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe 86 PID 2872 wrote to memory of 2068 2872 a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe 86 PID 2068 wrote to memory of 1164 2068 chargeable.exe 93 PID 2068 wrote to memory of 1164 2068 chargeable.exe 93 PID 2068 wrote to memory of 1164 2068 chargeable.exe 93 PID 2068 wrote to memory of 1164 2068 chargeable.exe 93 PID 2068 wrote to memory of 1164 2068 chargeable.exe 93 PID 2068 wrote to memory of 1164 2068 chargeable.exe 93 PID 2068 wrote to memory of 1164 2068 chargeable.exe 93 PID 2068 wrote to memory of 1164 2068 chargeable.exe 93 PID 1164 wrote to memory of 5100 1164 chargeable.exe 98 PID 1164 wrote to memory of 5100 1164 chargeable.exe 98 PID 1164 wrote to memory of 5100 1164 chargeable.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe"C:\Users\Admin\AppData\Local\Temp\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872 -
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:2068 -
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:1164 -
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:5100
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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
115KB
MD5e07ff2b3b37f9b5be463687303b7b806
SHA1e10af08259dec0b74dfb614140f277377e475e0d
SHA25664b468b8a1356a0556ac416ef2e2f10abc466e5dbde5d0c2edeaec089e174804
SHA512ac8df27efc4000279d344a0d1bfeae2a7b59f8a359144e31c26acd4040a53a9166072bbd0d4f401d08d24b1355ab3e1ad0f529d9a03439a8dfe9b39730be267a