Analysis
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max time kernel
148s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
31/12/2023, 00:34
Static task
static1
Behavioral task
behavioral1
Sample
21dfba7355a99cfcb015d6ec0bc1173a.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
21dfba7355a99cfcb015d6ec0bc1173a.exe
Resource
win10v2004-20231215-en
General
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Target
21dfba7355a99cfcb015d6ec0bc1173a.exe
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Size
136KB
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MD5
21dfba7355a99cfcb015d6ec0bc1173a
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SHA1
bfa74a08340eb5cf7a47e798584ac0296903258c
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SHA256
0e92c251943d3c2c643bda9dcb73624a7f1ced1a71cae442d32375b01727f6a8
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SHA512
c8c075236c9405750c0af96c9c46c8346d8a4091eaa716b032dde7e9623e06aac92862d54309eb6da18d2810f967fd50b1dcfe2f216833f9ce3f262de2876c29
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SSDEEP
3072:BmB17wjBfQn7WbIqH0ybZBiOllyEmcP82+aVdOt66VGegmK:BmzyQn7WbIqH0ybZBiOllyE5D+aVkjse
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" youari.exe -
Executes dropped EXE 1 IoCs
pid Process 2156 youari.exe -
Loads dropped DLL 2 IoCs
pid Process 1364 21dfba7355a99cfcb015d6ec0bc1173a.exe 1364 21dfba7355a99cfcb015d6ec0bc1173a.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /l" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /n" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /w" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /o" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /T" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /i" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /W" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /O" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /F" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /v" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /U" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /R" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /m" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /q" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /Y" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /b" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /x" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /d" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /B" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /I" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /M" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /f" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /J" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /k" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /H" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /P" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /a" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /S" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /A" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /Z" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /L" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /t" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /G" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /Q" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /h" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /s" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /V" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /D" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /E" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /z" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /g" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /r" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /C" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /p" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /e" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /j" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /X" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /u" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /y" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /K" youari.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\youari = "C:\\Users\\Admin\\youari.exe /N" youari.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 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe 2156 youari.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1364 21dfba7355a99cfcb015d6ec0bc1173a.exe 2156 youari.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1364 wrote to memory of 2156 1364 21dfba7355a99cfcb015d6ec0bc1173a.exe 28 PID 1364 wrote to memory of 2156 1364 21dfba7355a99cfcb015d6ec0bc1173a.exe 28 PID 1364 wrote to memory of 2156 1364 21dfba7355a99cfcb015d6ec0bc1173a.exe 28 PID 1364 wrote to memory of 2156 1364 21dfba7355a99cfcb015d6ec0bc1173a.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\21dfba7355a99cfcb015d6ec0bc1173a.exe"C:\Users\Admin\AppData\Local\Temp\21dfba7355a99cfcb015d6ec0bc1173a.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Users\Admin\youari.exe"C:\Users\Admin\youari.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:2156
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
136KB
MD518224ff484d0379d81d50e62241681d8
SHA1f8beb566cce581ef094cac82d2aaee57b533d8be
SHA25613b934e0639852d7db862e6d0ed94331b056f899ebb1f47a6b1887742f6bd302
SHA512ae0ad5fc401f9a8b2b53ed93932d563cac43c29e67db6b81bddb88442c4702345fc28385b656670107b4f9d7ef4dbc9cc40b67ddc97b1f09783e165ede1d06c1