Analysis
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max time kernel
156s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2022, 03:47
Static task
static1
Behavioral task
behavioral1
Sample
a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe
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Size
244KB
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MD5
40b6fe961edcbc4b23c667963dfb0de0
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SHA1
98c564bc7df2b89d9714af7b4ed2466f865e787e
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SHA256
a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530
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SHA512
e81edc3bc3894d9f1b1a272eede506ccf6a67abc0ff1ad579ab7a1399c855585a7d854f5f7abf17e53a06faab74d0e6388919c8a4cd8d0cd5d9c38d32707407e
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SSDEEP
3072:w7VlhN1mhvnvyMZeet/8LWCyiHCOXfPjz:gYvyMwNWCyiHC+
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" baubiy.exe -
Executes dropped EXE 1 IoCs
pid Process 4180 baubiy.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /n" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /u" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /g" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /b" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /a" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /o" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /l" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /t" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /c" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /w" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /k" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /e" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /q" baubiy.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /z" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /x" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /f" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /j" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /i" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /p" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /a" a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /v" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /m" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /r" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /h" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /s" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /y" baubiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\baubiy = "C:\\Users\\Admin\\baubiy.exe /d" baubiy.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 3264 a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe 3264 a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe 4180 baubiy.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3264 a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe 4180 baubiy.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3264 wrote to memory of 4180 3264 a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe 83 PID 3264 wrote to memory of 4180 3264 a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe 83 PID 3264 wrote to memory of 4180 3264 a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.exe"C:\Users\Admin\AppData\Local\Temp\a04b35d005a520f13e3a66785248ced628ecc41be553ea99b4e6488a63a3c530.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:3264 -
C:\Users\Admin\baubiy.exe"C:\Users\Admin\baubiy.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:4180
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
244KB
MD53b03f80df30b78c72d7808257f5c475d
SHA1b545fc0bd01e0bd6d04b6eb9f77d71c35087d95c
SHA2566d38abc713e3b83610024fde2ccee67cd2d5ad770a6b00ad066570da54bad574
SHA512425c804dbffc2ea163f41830dc55fd2eaab780a591108f67cc30ad0748d2741a4509dcd0ed001eee0d7a8bb870f50281d282f52e24b6b78abdfd96edc0e9388a
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Filesize
244KB
MD53b03f80df30b78c72d7808257f5c475d
SHA1b545fc0bd01e0bd6d04b6eb9f77d71c35087d95c
SHA2566d38abc713e3b83610024fde2ccee67cd2d5ad770a6b00ad066570da54bad574
SHA512425c804dbffc2ea163f41830dc55fd2eaab780a591108f67cc30ad0748d2741a4509dcd0ed001eee0d7a8bb870f50281d282f52e24b6b78abdfd96edc0e9388a