Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
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submitted
03-10-2023 17:58
General
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Target
9bb98f2989a73a1e3d8d490669462422.exe
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Size
570KB
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MD5
9bb98f2989a73a1e3d8d490669462422
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SHA1
480b65fe568acd420dacd4b935529f2505e94151
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SHA256
790b64a5860a5069fedcb660efdffce2b5ab2195086100a6079697b662f0c198
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SHA512
f84fe96c065c214d3ae623d81da9e0aacc0fdfb3751baa02505b4348d89e6c4a6d29703e579aef5f48ddbb1956c154e228b2337657b135b0a973cc9907e1651e
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SSDEEP
12288:MTQp8eHRevUGXTYJ0M8SbYrAwhLtaczsQc0TwmqyAAJtT:cc82RGFj80pwY5aczXTNqyz
Score
10/10
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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Renames multiple (316) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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 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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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 64 IoCs
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Suspicious use of AdjustPrivilegeToken 49 IoCs
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Suspicious use of WriteProcessMemory 55 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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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\9bb98f2989a73a1e3d8d490669462422.exe"C:\Users\Admin\AppData\Local\Temp\9bb98f2989a73a1e3d8d490669462422.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9bb98f2989a73a1e3d8d490669462422.exeC:\Users\Admin\AppData\Local\Temp\9bb98f2989a73a1e3d8d490669462422.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\9bb98f2989a73a1e3d8d490669462422.exe"C:\Users\Admin\AppData\Local\Temp\9bb98f2989a73a1e3d8d490669462422.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\9bb98f2989a73a1e3d8d490669462422.exeC:\Users\Admin\AppData\Local\Temp\9bb98f2989a73a1e3d8d490669462422.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\9bb98f2989a73a1e3d8d490669462422.exeC:\Users\Admin\AppData\Local\Temp\9bb98f2989a73a1e3d8d490669462422.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\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\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⤵
- Suspicious use of AdjustPrivilegeToken
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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\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 Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPsWW.cab.id[FF1D5EBE-3483].[[email protected]].8baseFilesize
143.1MB
MD57016ca153e6e0cba47470c08cffbc13e
SHA1a202a80e4827e8e0b28afeec53a4a88bc64e2c7c
SHA2561cea6c3926e03dc2cd30ea84eac5a42a0a73c7d27d9b7d4bf7695952404fd119
SHA51295bb8ef55d3453dcf69beb2ad7dc63a272667a3d3290dad3632e874be40509c8b06be9c9402da6ef89a1124a583a07ee6f83af5adc3bc45018f3a21164335031
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memory/1824-23-0x0000000074370000-0x0000000074A5E000-memory.dmpFilesize
6.9MB
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memory/1824-1-0x0000000074370000-0x0000000074A5E000-memory.dmpFilesize
6.9MB
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memory/1824-2-0x0000000004B30000-0x0000000004B70000-memory.dmpFilesize
256KB
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memory/1824-3-0x00000000004C0000-0x000000000050A000-memory.dmpFilesize
296KB
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memory/1824-4-0x0000000000AE0000-0x0000000000B26000-memory.dmpFilesize
280KB
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memory/1824-5-0x0000000000CA0000-0x0000000000CD4000-memory.dmpFilesize
208KB
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memory/1824-6-0x00000000042B0000-0x00000000042FC000-memory.dmpFilesize
304KB
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memory/1824-0-0x0000000000D10000-0x0000000000DA4000-memory.dmpFilesize
592KB
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memory/2392-55-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-69-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-15-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-17-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2392-21-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-11-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-24-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-25-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-174-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-148-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-7-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-88-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-80-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-76-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-13-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-52-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-54-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-9-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-56-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-57-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2392-58-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2676-40-0x00000000742C0000-0x00000000749AE000-memory.dmpFilesize
6.9MB
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memory/2676-28-0x0000000000450000-0x0000000000490000-memory.dmpFilesize
256KB
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memory/2676-29-0x0000000000530000-0x0000000000576000-memory.dmpFilesize
280KB
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memory/2676-27-0x00000000742C0000-0x00000000749AE000-memory.dmpFilesize
6.9MB
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memory/2676-26-0x0000000000D10000-0x0000000000DA4000-memory.dmpFilesize
592KB
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memory/2728-42-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/2728-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB