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Analysis
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max time kernel
172s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 17:09
Static task
static1
Behavioral task
behavioral1
Sample
bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe
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Size
420KB
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MD5
7a454fa985be19c741a02d72a85d4dab
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SHA1
352b5be5f93702b8f7f93a9672c4636e3a1137bc
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SHA256
bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a
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SHA512
cab77cbeb9ddd5b1fdedc4174564aaf606f8e36b61f6295bede4589cc319e819643cff37054b1e9b4ec0b78e831f6073ffd980b93ae246eca8d6b3debc8857bf
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SSDEEP
6144:HwW8jqFk7qFoQudlhiP5+6yCtfGiIpZFGd:Hfb2QudeYrfFo
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" bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" jaubi.exe -
Executes dropped EXE 1 IoCs
pid Process 4868 jaubi.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 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.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\jaubi = "C:\\Users\\Admin\\jaubi.exe /j" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /b" bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /r" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /z" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /x" jaubi.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /q" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /m" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /e" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /d" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /p" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /w" jaubi.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /s" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /v" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /b" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /o" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /c" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /k" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /t" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /f" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /h" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /y" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /n" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /i" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /a" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /u" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /g" jaubi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jaubi = "C:\\Users\\Admin\\jaubi.exe /l" jaubi.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 384 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 384 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe 4868 jaubi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 384 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 4868 jaubi.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 384 wrote to memory of 4868 384 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 81 PID 384 wrote to memory of 4868 384 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 81 PID 384 wrote to memory of 4868 384 bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.exe"C:\Users\Admin\AppData\Local\Temp\bcf594867fdf3ab17f1d886a4a21c7b3bafdd1d758bfbc8ca9a32ec8a8f4bc9a.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:384 -
C:\Users\Admin\jaubi.exe"C:\Users\Admin\jaubi.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:4868
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
420KB
MD555714816dc8f3914cc9ed5615a4f8eb3
SHA1aa648c275ebfd16bc37d9e88807d1cb8e1b987fc
SHA2567e56d6c0c16e279b90881816c2d29523fc731d1e3deba338c9bd8fef5f37c200
SHA512020b36fcd1387e582ba758eb7f64ac82e9d096c557318e2c4fdbe48b3c967036233e1f6a61351196ce68a06a545d688e1f5a38e568701d7f949d6aa7949acfe8
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Filesize
420KB
MD555714816dc8f3914cc9ed5615a4f8eb3
SHA1aa648c275ebfd16bc37d9e88807d1cb8e1b987fc
SHA2567e56d6c0c16e279b90881816c2d29523fc731d1e3deba338c9bd8fef5f37c200
SHA512020b36fcd1387e582ba758eb7f64ac82e9d096c557318e2c4fdbe48b3c967036233e1f6a61351196ce68a06a545d688e1f5a38e568701d7f949d6aa7949acfe8