Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-1703_x64 -
resource
win10-20230831-en -
resource tags
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submitted
11-09-2023 13:46
General
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Target
9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5.exe
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Size
447KB
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MD5
e1d3d00a7658ddcf540303e4eff0710a
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SHA1
b1dfa663180927ef53884a5ed0027d29390d1ee6
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SHA256
9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5
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SHA512
195beb77a768c8f8067b45031b85b407cca06185ddf17c3fa70f6c1b94820c60afd52d259fd842b80d534c468cb6c22b4fd3f5f38a9d8ef5bf79c3cf8d03c328
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SSDEEP
6144:Ma3ZdJ0eOtpZdioeu0nbnLZExFhfRtgPInNFYw48QmiuGNEQdzXSlgxuFkCkgI:9Zv05tpZdiL/ZEDbBNBOmFQq00ogI
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
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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Renames multiple (448) 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 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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Suspicious use of SetThreadContext 2 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).
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
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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 registry class 1 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 62 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\9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5.exe"C:\Users\Admin\AppData\Local\Temp\9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5.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\9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5.exeC:\Users\Admin\AppData\Local\Temp\9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5.exe2⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5.exe"C:\Users\Admin\AppData\Local\Temp\9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5.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\9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5.exeC:\Users\Admin\AppData\Local\Temp\9f67b6057e5b5dc4b2ec3b370ca3062e0bed91a934b227911af2a3de17164ee5.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⤵
- 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\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\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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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⤵
- Checks SCSI registry key(s)
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
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
3.2MB
MD515d37c32a8cf2d3ccff26ee11e75cc0b
SHA1d169ca2c5800c3875c9292625897b4bd15825ec2
SHA256cd8779582b1134ea770c4d7179e1d0b914ff1abc7e2ef4cdebbfd2e65e7c1e18
SHA5121f508bd2d1c02e02b21f3e51f5e7989455fa6685d25cb09fd78855f143ff086dc6651c3d7ef5735b7c9119a85d836966a7290101c18b62e5ba2d8aa91d14fc3c
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Filesize
927B
MD5ffe7bf10728fcdc9cfc28d6c2320a6f8
SHA1af407275e9830d40889da2e672d2e6af118c8cb8
SHA25672653cc5191f40cf26bcabcb5e0e41e53f23463f725007f74da78e36f9ec1522
SHA512766753516d36ef1065d29dd982e0b6ee4e84c0c17eb2b0a6ca056f6c8e2a908e53c169bbcb01ab8b9ba1be1463fdd4007398d964aed59de761c1a6213842776c
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Filesize
5KB
MD58362ccbcd483b7ad44aa13c4aa34d9c9
SHA1cb20fad253fb188713c477ab4fc6079464419c82
SHA2567da37b1b42a06c121ccdedf547511f201533c6710e1c1aaf997641b1f571db02
SHA51224492b89c49ad83b94a6f896f96dd4cb96bf547d74dc90c6dff6991f6c7d58930c3c777c617f3024448d89d5055e88f2d463db8856cd140ffe0711f96411dcea
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Filesize
5KB
MD58362ccbcd483b7ad44aa13c4aa34d9c9
SHA1cb20fad253fb188713c477ab4fc6079464419c82
SHA2567da37b1b42a06c121ccdedf547511f201533c6710e1c1aaf997641b1f571db02
SHA51224492b89c49ad83b94a6f896f96dd4cb96bf547d74dc90c6dff6991f6c7d58930c3c777c617f3024448d89d5055e88f2d463db8856cd140ffe0711f96411dcea
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Filesize
5KB
MD58362ccbcd483b7ad44aa13c4aa34d9c9
SHA1cb20fad253fb188713c477ab4fc6079464419c82
SHA2567da37b1b42a06c121ccdedf547511f201533c6710e1c1aaf997641b1f571db02
SHA51224492b89c49ad83b94a6f896f96dd4cb96bf547d74dc90c6dff6991f6c7d58930c3c777c617f3024448d89d5055e88f2d463db8856cd140ffe0711f96411dcea
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Filesize
5KB
MD58362ccbcd483b7ad44aa13c4aa34d9c9
SHA1cb20fad253fb188713c477ab4fc6079464419c82
SHA2567da37b1b42a06c121ccdedf547511f201533c6710e1c1aaf997641b1f571db02
SHA51224492b89c49ad83b94a6f896f96dd4cb96bf547d74dc90c6dff6991f6c7d58930c3c777c617f3024448d89d5055e88f2d463db8856cd140ffe0711f96411dcea
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Filesize
5KB
MD58362ccbcd483b7ad44aa13c4aa34d9c9
SHA1cb20fad253fb188713c477ab4fc6079464419c82
SHA2567da37b1b42a06c121ccdedf547511f201533c6710e1c1aaf997641b1f571db02
SHA51224492b89c49ad83b94a6f896f96dd4cb96bf547d74dc90c6dff6991f6c7d58930c3c777c617f3024448d89d5055e88f2d463db8856cd140ffe0711f96411dcea
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Filesize
304KB
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Filesize
5.0MB
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Filesize
208KB
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Filesize
6.9MB
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Filesize
64KB
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Filesize
280KB
-
Filesize
6.9MB
-
Filesize
472KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
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Filesize
280KB
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Filesize
6.9MB
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Filesize
64KB
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Filesize
6.9MB