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Analysis
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max time kernel
179s -
max time network
200s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2022, 05:15
Behavioral task
behavioral1
Sample
bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe
Resource
win7-20220812-en
windows7-x64
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe
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Size
252KB
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MD5
66ad6e9c759d90925f4fb4f0f1971460
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SHA1
69ea49c6eb0bf5f1815485f41984f0d687de5669
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SHA256
bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536
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SHA512
24282b53543a571607b0326a8ff36bd507e68d33682f5bebdbfb4c7f12547a27e1e2d68085a305dc289af3554b836bd86df2fe5e2a89ec66e3b7a1a968e8f66e
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SSDEEP
3072:B51kljkliKj1FZTmsijT7ejdag5GnTJUBxm1gYQANES7gujbWt0iUEQUjFOLpeON:31wkbei/5GTJU4gY3LEuPU0D6O1ge
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe scvhosti.exe" bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral2/memory/4196-132-0x0000000000400000-0x0000000000496000-memory.dmp upx behavioral2/memory/4196-133-0x0000000000400000-0x0000000000496000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Windows\\system32\\scvhosti.exe" bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\s: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\u: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\x: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\a: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\f: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\i: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\m: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\p: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\q: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\w: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\z: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\g: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\h: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\n: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\t: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\v: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\y: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\b: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\e: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\j: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\k: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\l: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\o: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened (read-only) \??\r: bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\scvhosti.exe bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened for modification C:\Windows\SysWOW64\scvhosti.exe bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File created C:\Windows\SysWOW64\anhui.exe bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened for modification C:\Windows\SysWOW64\anhui.exe bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened for modification C:\Windows\SysWOW64\autorun.ini bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File created C:\Windows\SysWOW64\setting.ini bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened for modification C:\Windows\SysWOW64\setting.ini bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\scvhosti.exe bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe File opened for modification C:\Windows\scvhosti.exe bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.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 26 IoCs
pid Process 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4196 wrote to memory of 3420 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 82 PID 4196 wrote to memory of 3420 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 82 PID 4196 wrote to memory of 3420 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 82 PID 3420 wrote to memory of 1392 3420 cmd.exe 84 PID 3420 wrote to memory of 1392 3420 cmd.exe 84 PID 3420 wrote to memory of 1392 3420 cmd.exe 84 PID 4196 wrote to memory of 4464 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 85 PID 4196 wrote to memory of 4464 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 85 PID 4196 wrote to memory of 4464 4196 bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe 85 PID 4464 wrote to memory of 1344 4464 cmd.exe 87 PID 4464 wrote to memory of 1344 4464 cmd.exe 87 PID 4464 wrote to memory of 1344 4464 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe"C:\Users\Admin\AppData\Local\Temp\bae23b00f26d19cfe95927ccf8322188ba68c5c342c306a480efd6995b170536.exe"1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4196 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\SysWOW64\at.exeAT /delete /yes3⤵PID:1392
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\anhui.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4464 -
C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\anhui.exe3⤵PID:1344
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