Analysis
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max time kernel
115s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13-09-2024 23:32
Static task
static1
Behavioral task
behavioral1
Sample
251d47ff1386c6273c43601cd4a1f4a0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
251d47ff1386c6273c43601cd4a1f4a0N.exe
Resource
win10v2004-20240802-en
General
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Target
251d47ff1386c6273c43601cd4a1f4a0N.exe
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Size
119KB
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MD5
251d47ff1386c6273c43601cd4a1f4a0
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SHA1
42dde20152525fc8e9f0bbcdd85e311427fead6a
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SHA256
eced7b063a64a23060ba6d6830d96dfa21e671a0c25a40820cc271cba7a55c1d
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SHA512
897a27999ea9585d27cc68c73e79c2518ae9f1854c4fff8620c173ef581025f79c4722f666ea2afc6a1ca6798dcf3e02f04859e3687559d412cbe14f6db7ec8a
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOg:P5eznsjsguGDFqGZ2rDL14FOg
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 3632 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
251d47ff1386c6273c43601cd4a1f4a0N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 251d47ff1386c6273c43601cd4a1f4a0N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 4752 chargeable.exe 3756 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
251d47ff1386c6273c43601cd4a1f4a0N.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\251d47ff1386c6273c43601cd4a1f4a0N.exe" 251d47ff1386c6273c43601cd4a1f4a0N.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe" 251d47ff1386c6273c43601cd4a1f4a0N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 4752 set thread context of 3756 4752 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:
251d47ff1386c6273c43601cd4a1f4a0N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 251d47ff1386c6273c43601cd4a1f4a0N.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 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe Token: 33 3756 chargeable.exe Token: SeIncBasePriorityPrivilege 3756 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
251d47ff1386c6273c43601cd4a1f4a0N.exechargeable.exechargeable.exedescription pid process target process PID 2564 wrote to memory of 4752 2564 251d47ff1386c6273c43601cd4a1f4a0N.exe chargeable.exe PID 2564 wrote to memory of 4752 2564 251d47ff1386c6273c43601cd4a1f4a0N.exe chargeable.exe PID 2564 wrote to memory of 4752 2564 251d47ff1386c6273c43601cd4a1f4a0N.exe chargeable.exe PID 4752 wrote to memory of 3756 4752 chargeable.exe chargeable.exe PID 4752 wrote to memory of 3756 4752 chargeable.exe chargeable.exe PID 4752 wrote to memory of 3756 4752 chargeable.exe chargeable.exe PID 4752 wrote to memory of 3756 4752 chargeable.exe chargeable.exe PID 4752 wrote to memory of 3756 4752 chargeable.exe chargeable.exe PID 4752 wrote to memory of 3756 4752 chargeable.exe chargeable.exe PID 4752 wrote to memory of 3756 4752 chargeable.exe chargeable.exe PID 4752 wrote to memory of 3756 4752 chargeable.exe chargeable.exe PID 3756 wrote to memory of 3632 3756 chargeable.exe netsh.exe PID 3756 wrote to memory of 3632 3756 chargeable.exe netsh.exe PID 3756 wrote to memory of 3632 3756 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\251d47ff1386c6273c43601cd4a1f4a0N.exe"C:\Users\Admin\AppData\Local\Temp\251d47ff1386c6273c43601cd4a1f4a0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564 -
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:4752 -
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:3756 -
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:3632
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
119KB
MD5c22a79dab92fc2e0f7c4efc377ac49ea
SHA132658953379006260c58089adde764e253402206
SHA256db88fafe35c1e7505f1d5afd22b08168edc7352977cde7a5c0d1cfd0a46d5c47
SHA512f11380a723143b819245410b44716a29946d0038882d46714002eb8632f461d5454534a60297b7f23160d56d928f801ebcd14e109e486d78a622af8daf5e6ecb