Analysis
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max time kernel
151s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19-09-2022 10:22
Static task
static1
Behavioral task
behavioral1
Sample
21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe
Resource
win10v2004-20220812-en
General
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Target
21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe
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Size
184KB
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MD5
24d92b4439065a7e0b86375e59bf3252
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SHA1
4ff549cb23b2b8697ab6166fd4d988b8b495a06e
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SHA256
21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e
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SHA512
5264294a37c539b7319fe2b656702ca1871f49bfa5c9772fbfb45a4d07b807ab1edd46b38f2f8c1dccff06f929ee54635f02e3c78ded55ca4b3c085ddebaaf37
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SSDEEP
3072:YDGXZTu7o897rl2Y4HpRSQ8nsl8Koay6V5v:pTulF8HpRpAKoahV9
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cuezod.exe -
Executes dropped EXE 1 IoCs
pid Process 1536 cuezod.exe -
Loads dropped DLL 2 IoCs
pid Process 1944 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe 1944 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /z" cuezod.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /h" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /e" 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /i" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /m" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /o" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /y" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /p" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /r" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /c" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /n" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /a" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /t" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /q" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /f" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /d" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /j" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /x" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /b" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /w" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /g" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /v" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /s" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /u" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /l" cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /k" cuezod.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cuezod.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuezod = "C:\\Users\\Admin\\cuezod.exe /e" cuezod.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1944 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe 1536 cuezod.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1944 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe 1536 cuezod.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1944 wrote to memory of 1536 1944 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe 27 PID 1944 wrote to memory of 1536 1944 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe 27 PID 1944 wrote to memory of 1536 1944 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe 27 PID 1944 wrote to memory of 1536 1944 21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe"C:\Users\Admin\AppData\Local\Temp\21cc35e1903972d30116b632ebd80f11e2e61f5c4dddeb3e2648895f3f43eb5e.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\cuezod.exe"C:\Users\Admin\cuezod.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:1536
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
184KB
MD57e7e08174fe5751a9da133748bce35cf
SHA13d89403139556d6d53d5920028006d5e79703300
SHA256159332e74a87fb74bbbd680795c0b16271fb566d8e9d3a825a93ef25cf11ac07
SHA512aad6a6f58f808d6b047b80b8b488257d614376ccae5245729bb6ec667f062d00dafe07cc58c178c363b89fc9898015297271e251e47f2293ffa0117855851293
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Filesize
184KB
MD57e7e08174fe5751a9da133748bce35cf
SHA13d89403139556d6d53d5920028006d5e79703300
SHA256159332e74a87fb74bbbd680795c0b16271fb566d8e9d3a825a93ef25cf11ac07
SHA512aad6a6f58f808d6b047b80b8b488257d614376ccae5245729bb6ec667f062d00dafe07cc58c178c363b89fc9898015297271e251e47f2293ffa0117855851293
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Filesize
184KB
MD57e7e08174fe5751a9da133748bce35cf
SHA13d89403139556d6d53d5920028006d5e79703300
SHA256159332e74a87fb74bbbd680795c0b16271fb566d8e9d3a825a93ef25cf11ac07
SHA512aad6a6f58f808d6b047b80b8b488257d614376ccae5245729bb6ec667f062d00dafe07cc58c178c363b89fc9898015297271e251e47f2293ffa0117855851293
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Filesize
184KB
MD57e7e08174fe5751a9da133748bce35cf
SHA13d89403139556d6d53d5920028006d5e79703300
SHA256159332e74a87fb74bbbd680795c0b16271fb566d8e9d3a825a93ef25cf11ac07
SHA512aad6a6f58f808d6b047b80b8b488257d614376ccae5245729bb6ec667f062d00dafe07cc58c178c363b89fc9898015297271e251e47f2293ffa0117855851293