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Analysis
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max time kernel
154s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
19/01/2024, 19:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
687674cae6b18642ef93d2ff364af5a0.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
687674cae6b18642ef93d2ff364af5a0.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
687674cae6b18642ef93d2ff364af5a0.exe
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Size
80KB
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MD5
687674cae6b18642ef93d2ff364af5a0
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SHA1
f9f8f72d07e5c44c95e7cbc08b2a4628430fb34e
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SHA256
0bdf24efbfaed5e2401a1136e679ad0f68f834984de9af73f8f6c3a8b416c0ba
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SHA512
b242592eded508c46179216f932cf04836a9174172c471e43276025e4c81b55d38b2124d8b765831aebcd75b629f3bad706c80a86d520b1bf5d02656a51e7f15
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SSDEEP
1536:u+eYvIEbn5tPSxXmeCC9bCoCMBlAwiVpwFJ0T72mocT:J/2BlGEFJ0T72mBT
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 687674cae6b18642ef93d2ff364af5a0.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ktnaw.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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation 687674cae6b18642ef93d2ff364af5a0.exe -
Executes dropped EXE 1 IoCs
pid Process 1684 ktnaw.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /o" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /l" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /e" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /h" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /c" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /w" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /k" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /r" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /s" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /y" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /d" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /v" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /j" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /m" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /x" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /a" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /z" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /u" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /i" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /q" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /g" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /f" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /p" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /n" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /b" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /t" ktnaw.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ktnaw = "C:\\Users\\Admin\\ktnaw.exe /t" 687674cae6b18642ef93d2ff364af5a0.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4496 687674cae6b18642ef93d2ff364af5a0.exe 4496 687674cae6b18642ef93d2ff364af5a0.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe 1684 ktnaw.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4496 687674cae6b18642ef93d2ff364af5a0.exe 1684 ktnaw.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4496 wrote to memory of 1684 4496 687674cae6b18642ef93d2ff364af5a0.exe 88 PID 4496 wrote to memory of 1684 4496 687674cae6b18642ef93d2ff364af5a0.exe 88 PID 4496 wrote to memory of 1684 4496 687674cae6b18642ef93d2ff364af5a0.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\687674cae6b18642ef93d2ff364af5a0.exe"C:\Users\Admin\AppData\Local\Temp\687674cae6b18642ef93d2ff364af5a0.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Users\Admin\ktnaw.exe"C:\Users\Admin\ktnaw.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1684
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD588442bcc67fe655e42fd8ab0127f4260
SHA1fc979684f4afeff90266daca74ae8c38cd6d7ed8
SHA2561a0a64f3294393ad4ed7c701a0d09d11d47215513f6c1f375d8a932d9477ff6d
SHA5125b7870ed452553702b98b21f1846cd27fd563ff1ab66b799bbc5d2c7161ad1493ae85ee86c49a0f6c4cdd631e083987634b368e9243084c2481713ede0e1a384