Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2022 20:24
Static task
static1
Behavioral task
behavioral1
Sample
bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe
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Size
86KB
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MD5
0bc8e5f86b279bc1ec66409f210e5ae3
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SHA1
ee55b4183ae05ca73f8e91a4f0dcf8b5d52cefa1
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SHA256
bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef
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SHA512
9444981342c297de1a7861d48aba78085e6b91fc14fb88ebc99be3da93c61435a2b54a81753264874b0f0385d3a3ea57b7945c761aba471155a474b1c76e73f9
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SSDEEP
1536:NllaEWUB//y/R8ZABR/fllbckTrmGfCTijLphJ2C9C59KuWt:oUB3y/cUR/LYkTrbWijLF1w5zWt
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" weaomus.exe -
Executes dropped EXE 2 IoCs
pid Process 4716 weaomus.exe 1096 weaomus.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /q" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /i" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /n" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /s" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /w" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /r" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /a" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /l" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /d" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /u" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /o" weaomus.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /p" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /b" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /c" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /k" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /h" weaomus.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /z" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /y" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /g" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /h" bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /f" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /v" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /t" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /j" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /m" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /x" weaomus.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\weaomus = "C:\\Users\\Admin\\weaomus.exe /e" weaomus.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 weaomus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum weaomus.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf weaomus.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5012 set thread context of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 4716 set thread context of 1096 4716 weaomus.exe 85 -
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 2796 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 2796 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe 1096 weaomus.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 2796 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 4716 weaomus.exe 1096 weaomus.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 5012 wrote to memory of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 5012 wrote to memory of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 5012 wrote to memory of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 5012 wrote to memory of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 5012 wrote to memory of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 5012 wrote to memory of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 5012 wrote to memory of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 5012 wrote to memory of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 5012 wrote to memory of 2796 5012 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 80 PID 2796 wrote to memory of 4716 2796 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 84 PID 2796 wrote to memory of 4716 2796 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 84 PID 2796 wrote to memory of 4716 2796 bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe 84 PID 4716 wrote to memory of 1096 4716 weaomus.exe 85 PID 4716 wrote to memory of 1096 4716 weaomus.exe 85 PID 4716 wrote to memory of 1096 4716 weaomus.exe 85 PID 4716 wrote to memory of 1096 4716 weaomus.exe 85 PID 4716 wrote to memory of 1096 4716 weaomus.exe 85 PID 4716 wrote to memory of 1096 4716 weaomus.exe 85 PID 4716 wrote to memory of 1096 4716 weaomus.exe 85 PID 4716 wrote to memory of 1096 4716 weaomus.exe 85 PID 4716 wrote to memory of 1096 4716 weaomus.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe"C:\Users\Admin\AppData\Local\Temp\bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Users\Admin\AppData\Local\Temp\bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef.exe752⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Users\Admin\weaomus.exe"C:\Users\Admin\weaomus.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Users\Admin\weaomus.exe754⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1096
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
86KB
MD50bc8e5f86b279bc1ec66409f210e5ae3
SHA1ee55b4183ae05ca73f8e91a4f0dcf8b5d52cefa1
SHA256bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef
SHA5129444981342c297de1a7861d48aba78085e6b91fc14fb88ebc99be3da93c61435a2b54a81753264874b0f0385d3a3ea57b7945c761aba471155a474b1c76e73f9
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Filesize
86KB
MD50bc8e5f86b279bc1ec66409f210e5ae3
SHA1ee55b4183ae05ca73f8e91a4f0dcf8b5d52cefa1
SHA256bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef
SHA5129444981342c297de1a7861d48aba78085e6b91fc14fb88ebc99be3da93c61435a2b54a81753264874b0f0385d3a3ea57b7945c761aba471155a474b1c76e73f9
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Filesize
86KB
MD50bc8e5f86b279bc1ec66409f210e5ae3
SHA1ee55b4183ae05ca73f8e91a4f0dcf8b5d52cefa1
SHA256bd03f44b8747391b016c0b6a8727cc366102857986c17a6a6f59ad3a84abc9ef
SHA5129444981342c297de1a7861d48aba78085e6b91fc14fb88ebc99be3da93c61435a2b54a81753264874b0f0385d3a3ea57b7945c761aba471155a474b1c76e73f9