Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
18-09-2023 06:19
General
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Target
ff230f8ca501e06feedd202b40879e2b.exe
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Size
295KB
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MD5
ff230f8ca501e06feedd202b40879e2b
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SHA1
6ffb1e4af21e5413b07d0b4951f2dfaaba6b26b0
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SHA256
9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1
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SHA512
308edf14261f3763fe3bb65cef4b88473b91d02b032441d91cc87a9a49d7b20df381bae28eae7ded49cfca529bfe11da40d2f4ac2fa9c6495e6527604ca2d800
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SSDEEP
6144:ugyOoVGyCNHIbER9bbDHyzJxE5zPYS5ycCE+WQnaTzQNeqR0R:ugyr3CNHIbeym3FCEnYeq
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 (469) 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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\ff230f8ca501e06feedd202b40879e2b.exe"C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exeC:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exe2⤵
- Checks computer location settings
- 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\ff230f8ca501e06feedd202b40879e2b.exe"C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exeC:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.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
MD58f25a5086f7c711a515666e3bfc3b862
SHA149cf0e521cec151ff9a445315e77c8b47a4cbf79
SHA256fe1720f82b9d2c46f6cbf450e5e7989e7addce27c654b7d8e855a55f03bec1f6
SHA51298bd68d719da267f7b82bff601a45dbe590dab0176b3b6b69c9a670db0e6af4e53c4cd5a24a9a05c7ae78e5451f2d4c64c0743c1e64364949a5531d6f5429660
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Filesize
927B
MD5ff27e87d4bf1330435001e57e8244d60
SHA1b22264ed3cd4d35f8236278edd2512c3b7ecb355
SHA2567e9adf70ba438f8a38feac34e1b25bb4261fa506d00361ea7e5cde784651474e
SHA512d678aa2b42032ea0d811f9783abff7c94a6d674bd3dee74df706b7f95da7e51d84207320ea36226da4f8651e6ec618ea12d99d2d6d371bd1e98395518b8956e0
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Filesize
5KB
MD540ccf19e597a792d38426006041f3962
SHA1dda3897c0837779a2132cb1dd2a0eb286fc54390
SHA2561180c130c73e5c9d32b2f54cc35c2b93eaaf0a3493578b2ccca417eef9c3cf8f
SHA512664468c3d89589fa6fc15204753db7a2f03aa8890e471f9d29152af9714011d01bdb382d84dea4fb6fde5156494c8835b76803b866c59c9d1d425c5807a7c599
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Filesize
5KB
MD540ccf19e597a792d38426006041f3962
SHA1dda3897c0837779a2132cb1dd2a0eb286fc54390
SHA2561180c130c73e5c9d32b2f54cc35c2b93eaaf0a3493578b2ccca417eef9c3cf8f
SHA512664468c3d89589fa6fc15204753db7a2f03aa8890e471f9d29152af9714011d01bdb382d84dea4fb6fde5156494c8835b76803b866c59c9d1d425c5807a7c599
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Filesize
5KB
MD540ccf19e597a792d38426006041f3962
SHA1dda3897c0837779a2132cb1dd2a0eb286fc54390
SHA2561180c130c73e5c9d32b2f54cc35c2b93eaaf0a3493578b2ccca417eef9c3cf8f
SHA512664468c3d89589fa6fc15204753db7a2f03aa8890e471f9d29152af9714011d01bdb382d84dea4fb6fde5156494c8835b76803b866c59c9d1d425c5807a7c599
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Filesize
5KB
MD540ccf19e597a792d38426006041f3962
SHA1dda3897c0837779a2132cb1dd2a0eb286fc54390
SHA2561180c130c73e5c9d32b2f54cc35c2b93eaaf0a3493578b2ccca417eef9c3cf8f
SHA512664468c3d89589fa6fc15204753db7a2f03aa8890e471f9d29152af9714011d01bdb382d84dea4fb6fde5156494c8835b76803b866c59c9d1d425c5807a7c599
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
280KB
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Filesize
272KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
208KB
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Filesize
320KB
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Filesize
304KB
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Filesize
5.6MB
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Filesize
7.7MB
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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
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
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