Analysis
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max time kernel
152s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 22:39
Static task
static1
Behavioral task
behavioral1
Sample
cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe
Resource
win10v2004-20221111-en
General
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Target
cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe
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Size
92KB
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MD5
8e4b700bb4dbad6bb9d09b41dac75c3d
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SHA1
d4a6a3056b34da16ace905c75fdbe4124fdf84b9
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SHA256
cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb
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SHA512
f41b93e3bc6834aef96e64682833384442c1e54373a71bd2dfda95d58152f2d5d81a53ed2af8fe6cc28a5af804813d01ab7db5b7435a4142f97134d68e7fe6ec
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SSDEEP
1536:5IibhPjjBkvWN/3HgGl+yocTzFJ0T72Vp3/:es7/H5BTzFJ0T72L/
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" xayuq.exe -
Executes dropped EXE 1 IoCs
pid Process 396 xayuq.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /a" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /j" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /o" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /g" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /z" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /k" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /l" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /v" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /e" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /r" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /x" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /c" xayuq.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /p" cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /s" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /n" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /m" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /q" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /w" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /u" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /p" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /t" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /d" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /y" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /i" xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /h" xayuq.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ xayuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xayuq = "C:\\Users\\Admin\\xayuq.exe /f" xayuq.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 3412 cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe 3412 cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe 396 xayuq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3412 cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe 396 xayuq.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3412 wrote to memory of 396 3412 cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe 87 PID 3412 wrote to memory of 396 3412 cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe 87 PID 3412 wrote to memory of 396 3412 cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe"C:\Users\Admin\AppData\Local\Temp\cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.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:3412 -
C:\Users\Admin\xayuq.exe"C:\Users\Admin\xayuq.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:396
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
92KB
MD5e7ac13abdd02e0fbf4fb13f0250b8c74
SHA1530c4db8eeb6f799bec93bb08f524db3356bd247
SHA25692a420fe98c644ace509e066e82ddd7e577332da03e26013b8f75682b9cd929d
SHA5122aee6e259819f70714d889b5926d8b9db68a65a57a6e091b6417c68cab101255efe1dfefb1bdd50bc5d2b7d6c2730e8589cd012cfa33633296c1b3a87d357f3d
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Filesize
92KB
MD5e7ac13abdd02e0fbf4fb13f0250b8c74
SHA1530c4db8eeb6f799bec93bb08f524db3356bd247
SHA25692a420fe98c644ace509e066e82ddd7e577332da03e26013b8f75682b9cd929d
SHA5122aee6e259819f70714d889b5926d8b9db68a65a57a6e091b6417c68cab101255efe1dfefb1bdd50bc5d2b7d6c2730e8589cd012cfa33633296c1b3a87d357f3d