Analysis
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max time kernel
41s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
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submitted
17-10-2023 09:53
General
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Target
fe2d1879880466e24e76d8d0963feb93.exe
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Size
399KB
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MD5
fe2d1879880466e24e76d8d0963feb93
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SHA1
18ebb65842ccd3a1d1eeb597f2017267d47daaf9
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SHA256
9215550ce3b164972413a329ab697012e909d543e8ac05d9901095016dd3fc6c
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SHA512
98a670f572c668c1beca27049e836c3e6e1a3a41b09fab27f6e7e7e13f335d33049de71c21eed768efd26a080732b5572b9481ec6f8be21f0764e2979b3c60e3
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SSDEEP
6144:YVtrvQVm+214icCgPMmcCs+XhmOi/h/dD2YYWs6+ClKflgjBMf:Y/QVQ1D/Nmfs+XhZodDWWsJClkCj
Malware Config
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 2 IoCs
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Deletes backup catalog 3 TTPs 1 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 1 IoCs
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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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Suspicious use of SetThreadContext 2 IoCs
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Suspicious behavior: EnumeratesProcesses 58 IoCs
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Suspicious use of AdjustPrivilegeToken 6 IoCs
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Suspicious use of WriteProcessMemory 43 IoCs
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exe"C:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exeC:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exeC:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exe2⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off4⤵
- Modifies Windows Firewall
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable4⤵
- Modifies Windows Firewall
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C:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exe"C:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exeC:\Users\Admin\AppData\Local\Temp\fe2d1879880466e24e76d8d0963feb93.exe2⤵
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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⤵
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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 v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5.8MB
MD502b710d157c79894ea3f90c571f3dbf6
SHA1857be9c6ef47a947526309c67dee5d79d01c6162
SHA256d2d42ff4130dff34f00448d82d4c4c04da0c9d7ca5cb722cfb3bf900abb8fa8c
SHA51259375e23d013de4e9030a0be79fca3b71a97c97e427f11c84572ef909175ccedabec8e6a2860b9ba51676ae659ca8a50cb4790c8fb54461569816b1da51a8ee1
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Filesize
424KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
4KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
4KB
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Filesize
280KB
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Filesize
256KB
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Filesize
208KB
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Filesize
304KB
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Filesize
424KB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
6.9MB