Resubmissions
23-08-2021 09:03
210823-vqq93xpzhj 1012-08-2021 21:11
210812-xvzjbhw2q2 1008-08-2021 17:49
210808-rjh11mmpt6 10Analysis
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max time kernel
36s -
max time network
124s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
08-08-2021 17:49
General
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Target
0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad.bin.exe
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Size
1.2MB
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MD5
cc3652c078fa2bdfbbfae33335c30bda
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SHA1
b3d3ad0c2c9d526717f55c431d51c2f1e957325b
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SHA256
0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad
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SHA512
d027e1df8c10516b81e47ef840f0e2baf971c0e0c4e77ff0fdc0122bbbb66ed210fd78336cb40d05c76d91838ae89ebb3304050dbf7fb7eeec73d47d1d26ec3d
Score
9/10
Malware Config
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
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Deletes System State backups 3 TTPs 2 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Drops file in Drivers directory 13 IoCs
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Modifies extensions of user files 42 IoCs
Ransomware generally changes the extension on encrypted files.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
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Drops desktop.ini file(s) 1 IoCs
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Enumerates connected drives 3 TTPs 41 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Drops file in System32 directory 64 IoCs
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Drops file in Program Files directory 64 IoCs
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Drops file in Windows directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Interacts with shadow copies 2 TTPs 13 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 24 IoCs
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Suspicious use of WriteProcessMemory 38 IoCs
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System policy modification 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad.bin.exe"C:\Users\Admin\AppData\Local\Temp\0abb4a302819cdca6c9f56893ca2b52856b55a0aa68a3cb8bdcd55dcc1fad9ad.bin.exe"1⤵
- Drops file in Drivers directory
- Modifies extensions of user files
- Adds Run key to start application
- Drops desktop.ini file(s)
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=c: /on=c: /maxsize=401MB2⤵
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=c: /on=c: /maxsize=unbounded2⤵
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=d: /on=d: /maxsize=401MB2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=d: /on=d: /maxsize=unbounded2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=e: /on=e: /maxsize=401MB2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=e: /on=e: /maxsize=unbounded2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=f: /on=f: /maxsize=401MB2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=f: /on=f: /maxsize=unbounded2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=g: /on=g: /maxsize=401MB2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=g: /on=g: /maxsize=unbounded2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=h: /on=h: /maxsize=401MB2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Resize ShadowStorage /for=h: /on=h: /maxsize=unbounded2⤵
- Enumerates connected drives
- Interacts with shadow copies
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet2⤵
- Interacts with shadow copies
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C:\Windows\SYSTEM32\bcdedit.exebcdedit.exe /set {default} recoveryenabled No2⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\SYSTEM32\bcdedit.exebcdedit.exe /set {default} bootstatuspolicy ignoreallfailures2⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\SYSTEM32\wbadmin.exewbadmin DELETE SYSTEMSTATEBACKUP2⤵
- Deletes System State backups
- Drops file in Windows directory
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C:\Windows\SYSTEM32\wbadmin.exewbadmin DELETE SYSTEMSTATEBACKUP -deleteOldest2⤵
- Deletes System State backups
- Drops file in Windows directory
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C:\Windows\System32\Wbem\wmic.exewmic.exe SHADOWCOPY /nointeractive2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\0ABB4A~1.EXE >> NUL2⤵
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken