Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 06:59
Behavioral task
behavioral1
Sample
0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe
Resource
win11ltsc2024-20260709-en
General
- Target 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe
- Size 45KB
- Sample260720-hsld9sb16w
- SHA256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc
- MD5 ce9c905dca8b54d89b9653501c0355cb
- SHA1 6c3e8719145fea4c1916e65df4f2bbde41e513f3
- SHA512 11eae2b367bbc1cc20a1a9fc99a8986da421b325e4b505015e971a070fd223adbbe5459d76bfa14d860d8130d15bd9f2d21729d160c9c17fc88cdff2aca40fd4
- SSDEEP 768:huyM4NTdMCbRWUJDObmo2qLHozfy3CKPI0VjbugX3i+C1QWW9yASBZOXbknBDZDx:huyM4NTdxe2fTR09bRXS+CJW9yASBZO4
- TLSH T17C232C0037E9C12BF2BE5F789DF26145467AE2633A03D58A1CC412DB5713BC68A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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103.109.100.136:80
-
103.109.100.136:22
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103.109.100.136:8080
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103.109.100.136:8880
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103.109.100.136:2052
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103.109.100.136:2082
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103.109.100.136:2086
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103.109.100.136:2095
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103.109.100.136:443
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103.109.100.136:2053
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103.109.100.136:2083
-
103.109.100.136:2087
-
103.109.100.136:2096
-
103.109.100.136:8443
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aBEV7NHzX9Cg
-
delay
0
-
install
true
-
install_file
npk840c.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000d00000001c53d-10.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 5348 npk840c.exe 6008 npk840c.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4896 cmd.exe 1760 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 7 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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language npk840c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language npk840c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe - Delays execution with timeout.exe 1 IoCs
pid Process 5144 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5180 schtasks.exe - Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe Token: SeDebugPrivilege 5348 npk840c.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4256 wrote to memory of 4896 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 89 PID 4256 wrote to memory of 1760 4256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe 91 PID 4896 wrote to memory of 5180 4896 cmd.exe 93 PID 1760 wrote to memory of 5144 1760 cmd.exe 94 PID 1760 wrote to memory of 6008 1760 cmd.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe"C:\Users\Admin\AppData\Local\Temp\0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4256 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "npk840c" /tr '"C:\Users\Admin\AppData\Roaming\npk840c.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4896 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "npk840c" /tr '"C:\Users\Admin\AppData\Roaming\npk840c.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5180
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6131.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:5144
-
-
C:\Users\Admin\AppData\Roaming\npk840c.exe"C:\Users\Admin\AppData\Roaming\npk840c.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:6008
-
-
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C:\Users\Admin\AppData\Roaming\npk840c.exe"C:\Users\Admin\AppData\Roaming\npk840c.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5348
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp6131.tmp.bat
- Size 151B
- SHA256 3c4997e5ab3dddf4089e6d3a823fd98b662f9c89830824ac673c49f3a6d8fcb6
- MD5 df500f8b6403fe618ebc9cd8fcf17b44
- SHA1 fa69ad3660b8facb2adc49e9dde560b1ad229602
- SHA512 c3e5f5b0c224f6298a915fa935a9710189627d22744a0a5585661c9f993b11179506ec08383b07f194bb1f625390b335041392bbc3a8a598475c9ea4444ea61a
- TLSH T1D1C08C5291C6AA1E2805186306BBD5AEA2EAA8293E80AB00834440899680448E499242
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\npk840c.exe
- Size 45KB
- SHA256 0316c69ba7e2d50e284b94a04dd00ed9cb4412104cb0c9c92df1af79572ee0dc
- MD5 ce9c905dca8b54d89b9653501c0355cb
- SHA1 6c3e8719145fea4c1916e65df4f2bbde41e513f3
- SHA512 11eae2b367bbc1cc20a1a9fc99a8986da421b325e4b505015e971a070fd223adbbe5459d76bfa14d860d8130d15bd9f2d21729d160c9c17fc88cdff2aca40fd4
- SSDEEP 768:huyM4NTdMCbRWUJDObmo2qLHozfy3CKPI0VjbugX3i+C1QWW9yASBZOXbknBDZDx:huyM4NTdxe2fTR09bRXS+CJW9yASBZO4
- TLSH T17C232C0037E9C12BF2BE5F789DF26145467AE2633A03D58A1CC412DB5713BC68A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH