Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
26-12-2022 10:43
General
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Target
928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.exe
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Size
55KB
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MD5
f8cd85837b695b2689a8f3dfb67d415b
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SHA1
fd12b0db64c9d92033e2fd44b7606b7c88a56ca9
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SHA256
928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13
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SHA512
fcd3d7bbf2ddb6d8a6fc0b185e862cfdfd1580789203713dcf7c48912ef6d4cb8fae9bfadaf23e750e1bf8f3da05d482d0e942b7ba9599a63d488a3bab049a60
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SSDEEP
768:7vrNNeRBl5JFTXqwXrkgrn/9/HiDKGwRj4RcTdyH4pYT3nPKVU1EH6Z056NV2Dey:1NeRBl5PT/rx1mzwRMSTdLpJHKT8e7m
Malware Config
Extracted
C:\Users\Admin\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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Modifies extensions of user files 2 IoCs
Ransomware generally changes the extension on encrypted files.
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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\928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.exe"C:\Users\Admin\AppData\Local\Temp\928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.exe"1⤵
- Modifies extensions of user files
- 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\928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.exe"C:\Users\Admin\AppData\Local\Temp\928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.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\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\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\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
MD52c2ddccf2093116b93ec7b462cd0ce59
SHA10d8a4355ff581f8ec06e1b179b53b2e96b4235a0
SHA2567da477aad8fb9eadb16338262bf2658405b5df770f43c8ad764057b93d0b0383
SHA51215965d268059a86e86183911fc641b975c39c7678d9f4365af853399064ad247061f997a6f148e03819ea46f4fd53f7a015225d95d3f96fb9cd338f5eb43da1f
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Filesize
5KB
MD52c2ddccf2093116b93ec7b462cd0ce59
SHA10d8a4355ff581f8ec06e1b179b53b2e96b4235a0
SHA2567da477aad8fb9eadb16338262bf2658405b5df770f43c8ad764057b93d0b0383
SHA51215965d268059a86e86183911fc641b975c39c7678d9f4365af853399064ad247061f997a6f148e03819ea46f4fd53f7a015225d95d3f96fb9cd338f5eb43da1f
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Filesize
5KB
MD52c2ddccf2093116b93ec7b462cd0ce59
SHA10d8a4355ff581f8ec06e1b179b53b2e96b4235a0
SHA2567da477aad8fb9eadb16338262bf2658405b5df770f43c8ad764057b93d0b0383
SHA51215965d268059a86e86183911fc641b975c39c7678d9f4365af853399064ad247061f997a6f148e03819ea46f4fd53f7a015225d95d3f96fb9cd338f5eb43da1f
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Filesize
8KB
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Filesize
8KB
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