Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
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submitted
30-12-2022 10:31
General
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Target
c8d9a9758516d5a8936bd3bc01a9997fb677ed1dc54081caa985883935ff092b.exe
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Size
56KB
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MD5
715bb8ece6c740ab68a9aa2f4eb0aa04
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SHA1
6fef9bbee0ef34c8e0bbc2510eb14c7751329577
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SHA256
c8d9a9758516d5a8936bd3bc01a9997fb677ed1dc54081caa985883935ff092b
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SHA512
2e0945f4bd9ab7b8ffc05da7ecbf18fadffd20210ac5537bb2e6b3e1f65a41f7b0e16a34772afdef20c7a9235e1487d85e21024a8da64c84bd90d59c7d37e2a2
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SSDEEP
1536:bNeRBl5PT/rx1mzwRMSTdLpJBRWvKIIGNOHRG47:bQRrmzwR5JTWSyIQw
Malware Config
Extracted
C:\users\public\desktop\info.hta
Signatures
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Phobos
Phobos ransomware appeared at the beginning of 2019.
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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 4 IoCs
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Deletes backup catalog 3 TTPs 2 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Modifies Windows Firewall 1 TTPs 2 IoCs
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Drops startup file 3 IoCs
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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) 64 IoCs
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Drops file in Program Files 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 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies Internet Explorer settings 1 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 60 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\c8d9a9758516d5a8936bd3bc01a9997fb677ed1dc54081caa985883935ff092b.exe"C:\Users\Admin\AppData\Local\Temp\c8d9a9758516d5a8936bd3bc01a9997fb677ed1dc54081caa985883935ff092b.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c8d9a9758516d5a8936bd3bc01a9997fb677ed1dc54081caa985883935ff092b.exe"C:\Users\Admin\AppData\Local\Temp\c8d9a9758516d5a8936bd3bc01a9997fb677ed1dc54081caa985883935ff092b.exe"2⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off3⤵
- Modifies Windows Firewall
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"2⤵
- Modifies Internet Explorer settings
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5KB
MD539154768530552b13ad99bdc6771cb56
SHA1e2a7f7550de12138106b2a39b35bca0af0ef8e30
SHA256d7e90eba68bd8e99c9e897c73f3849ef8030f46aa87fafe595af5d40730d5fe8
SHA51299ecc1432f72f2a662efbd826f7b80c64753666fc223d4963a93abaf53e6960be60f0359f229f9da8877fb0659e86adf3dfe932797952fc14a1141828b2b4faf
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Filesize
5KB
MD539154768530552b13ad99bdc6771cb56
SHA1e2a7f7550de12138106b2a39b35bca0af0ef8e30
SHA256d7e90eba68bd8e99c9e897c73f3849ef8030f46aa87fafe595af5d40730d5fe8
SHA51299ecc1432f72f2a662efbd826f7b80c64753666fc223d4963a93abaf53e6960be60f0359f229f9da8877fb0659e86adf3dfe932797952fc14a1141828b2b4faf
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Filesize
5KB
MD539154768530552b13ad99bdc6771cb56
SHA1e2a7f7550de12138106b2a39b35bca0af0ef8e30
SHA256d7e90eba68bd8e99c9e897c73f3849ef8030f46aa87fafe595af5d40730d5fe8
SHA51299ecc1432f72f2a662efbd826f7b80c64753666fc223d4963a93abaf53e6960be60f0359f229f9da8877fb0659e86adf3dfe932797952fc14a1141828b2b4faf
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Filesize
8KB
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Filesize
8KB
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