Analysis
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max time kernel
115s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-08-2024 11:41
Static task
static1
Behavioral task
behavioral1
Sample
4f26497520ca3310f7f99cbfd80be1e0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
4f26497520ca3310f7f99cbfd80be1e0N.exe
Resource
win10v2004-20240802-en
General
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Target
4f26497520ca3310f7f99cbfd80be1e0N.exe
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Size
115KB
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MD5
4f26497520ca3310f7f99cbfd80be1e0
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SHA1
e779f19cc46f61a72a94e8fc01c223dc8e2180ea
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SHA256
0d1405c3eb6cd4d76d02265d9f9259eaa13e37d3a16df0268bc8a0f060eff0ee
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SHA512
584b1ba8dbfe6014f718b438876ab02151dafde04bbe69c24373f3a7ce4804c363d3bf79e778672b5e24e3cbf9330eef35b437cf8297cd120f68be6725500889
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SSDEEP
1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdehOf:P5eznsjsguGDFqGZ2rYC
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 1644 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4f26497520ca3310f7f99cbfd80be1e0N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 4f26497520ca3310f7f99cbfd80be1e0N.exe -
Executes dropped EXE 2 IoCs
Processes:
chargeable.exechargeable.exepid process 1964 chargeable.exe 3320 chargeable.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
4f26497520ca3310f7f99cbfd80be1e0N.exedescription ioc process 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" 4f26497520ca3310f7f99cbfd80be1e0N.exe 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\\4f26497520ca3310f7f99cbfd80be1e0N.exe" 4f26497520ca3310f7f99cbfd80be1e0N.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
chargeable.exedescription pid process target process PID 1964 set thread context of 3320 1964 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:
4f26497520ca3310f7f99cbfd80be1e0N.exechargeable.exechargeable.exenetsh.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4f26497520ca3310f7f99cbfd80be1e0N.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 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe Token: 33 3320 chargeable.exe Token: SeIncBasePriorityPrivilege 3320 chargeable.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
4f26497520ca3310f7f99cbfd80be1e0N.exechargeable.exechargeable.exedescription pid process target process PID 1924 wrote to memory of 1964 1924 4f26497520ca3310f7f99cbfd80be1e0N.exe chargeable.exe PID 1924 wrote to memory of 1964 1924 4f26497520ca3310f7f99cbfd80be1e0N.exe chargeable.exe PID 1924 wrote to memory of 1964 1924 4f26497520ca3310f7f99cbfd80be1e0N.exe chargeable.exe PID 1964 wrote to memory of 3320 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3320 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3320 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3320 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3320 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3320 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3320 1964 chargeable.exe chargeable.exe PID 1964 wrote to memory of 3320 1964 chargeable.exe chargeable.exe PID 3320 wrote to memory of 1644 3320 chargeable.exe netsh.exe PID 3320 wrote to memory of 1644 3320 chargeable.exe netsh.exe PID 3320 wrote to memory of 1644 3320 chargeable.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4f26497520ca3310f7f99cbfd80be1e0N.exe"C:\Users\Admin\AppData\Local\Temp\4f26497520ca3310f7f99cbfd80be1e0N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924 -
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:1964 -
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:3320 -
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:1644
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
MD54325cfe9ac7b28766e0ee27e2c0d173c
SHA1b9404b66af3f825cf4b17441c10285805d873dd8
SHA25633f38eba8dd6384cbba064f8d7525cde15074fa88ad44432cfc5518152881056
SHA512fbd856de6d71e7926671dfec4e5e7ee2fd58e874020149ee183dca1d9210e0b366e3df22785da2e927c9a321702070025aea3b037ca762529949dea1ed4da38d