Analysis
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max time kernel
15s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
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submitted
12-10-2023 13:41
General
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Target
d922c94b64e04ea8b2be3ca4ed31e65e.exe
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Size
262KB
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MD5
d922c94b64e04ea8b2be3ca4ed31e65e
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SHA1
73674302ab4d7ddf203eaa6edc56e8538377fbcb
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SHA256
681f180735ec833997bea4eb26c58f9c2e39980cd0a351e0b5cd99c502b33ae8
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SHA512
130d5fdcbc5ab1e3fc20ecf5aca5052381ed18e2612e014817705e9a34fdd22015b05ad7b6bcc4c1246a3e98e1eacb855a700267979e4957185a3920f2eb187e
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SSDEEP
6144:t7Wq2H9tbX4BiMAFlmkUlPhIi3Jk6gd1yiKXTd:t7WJD4IMqlmLPhlJkxyXT
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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Drops file in Program Files directory 64 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 11 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 36 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\d922c94b64e04ea8b2be3ca4ed31e65e.exe"C:\Users\Admin\AppData\Local\Temp\d922c94b64e04ea8b2be3ca4ed31e65e.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\d922c94b64e04ea8b2be3ca4ed31e65e.exeC:\Users\Admin\AppData\Local\Temp\d922c94b64e04ea8b2be3ca4ed31e65e.exe2⤵
- 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\d922c94b64e04ea8b2be3ca4ed31e65e.exe"C:\Users\Admin\AppData\Local\Temp\d922c94b64e04ea8b2be3ca4ed31e65e.exe"3⤵
- 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\d922c94b64e04ea8b2be3ca4ed31e65e.exeC:\Users\Admin\AppData\Local\Temp\d922c94b64e04ea8b2be3ca4ed31e65e.exe4⤵
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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:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
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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
143.1MB
MD599e5c255c623293c6224b39701b5e613
SHA1b8734b0855b7f36e7802c8de6789d52a2ce7fe88
SHA256ab961dfdff7ded7eb97adba89fea8cb205fc4236f7ea69cf5390bab1de87d572
SHA512037f15c9291c7b8807578220271e3409033cd7c33bacf3f7e3436cae9d90fcb63e8787093d08f0e9c73f945e63625f5e37a99e9bc931bb300cbe1553a3ca28bb
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Filesize
6.9MB
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Filesize
288KB
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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
6.9MB
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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
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
-
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
6.9MB
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Filesize
288KB
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Filesize
6.9MB