Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
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submitted
23-10-2023 13:38
General
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Target
2.exe
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Size
1.1MB
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MD5
77dc0310c97717e936ee8d9d571e155a
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SHA1
94452fb5b6803c7e05789109ead0c2b2dd1c86bb
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SHA256
159fa561bf9069418c5b2a33525ee12b16385f96680890a285d401b9f6781643
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SHA512
1707dc36093eee64775c28ee00185ccae492d5f00fa2a2d06579a83a551fc514227f2f3804c27ee9cb94f98a4e360ada795b413ccf64d66b3f989c1248e2b3e6
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SSDEEP
24576:5HOlaHILUR9X/oGhmE5EApGfZAuBQfm+t8:Mywk53mE5EA8fZ52++C
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\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 (467) 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\2.exe"C:\Users\Admin\AppData\Local\Temp\2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2.exeC:\Users\Admin\AppData\Local\Temp\2.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\2.exe"C:\Users\Admin\AppData\Local\Temp\2.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2.exeC:\Users\Admin\AppData\Local\Temp\2.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
MD5061ee98fb551e48d9e63f4764c0e1b91
SHA1ec44e920aea8ea0f1ab9dfdbd5049ca64aa4f77f
SHA256444ec420ea4dd290fa04f678f5f9d5714b426a7384361178b0f233702f8adc14
SHA512baed247f767c5be9796a9e16a8dcf488bd2fb5af8ed6672dbdf43cee39c1a4ab5f1c1cf0e61236c1e8aa1bdba62c571e7c5c3b721cec2adf3b614cf01b33b969
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Filesize
1016B
MD54353288293ab8929e492327245a7ccb2
SHA189b365f2f5e14faaf17715e5764b60d344250d67
SHA25661954fc5184dd88a959f803ee98ca9af53eb0c942dbb00b98ba4f8a46081b587
SHA51248c07ca1b769cf02af6ec938aad8b5a03133e82a451bdff5a03bf4ba47cfd7add0ab28ee6622c22fb54e127472a7cf68dd7d05da15ec439cc18aed2ca76cd08a
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Filesize
5KB
MD52e8713fb6d0989652c81c7d1421a7d64
SHA14f88da7708fbf879283e18866af169c19cf95e23
SHA256c45318306993f7d16e3e725121921213d1de66c2df5e2b824afacc232062c006
SHA512166986264fc32201e89664f745378259579aa774b5b153d3017c2dceee98ab92ee448fca9069a9d541aa9b8d7c12059283b8db6f8fbc29efef0409ab6c5c4860
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Filesize
5KB
MD52e8713fb6d0989652c81c7d1421a7d64
SHA14f88da7708fbf879283e18866af169c19cf95e23
SHA256c45318306993f7d16e3e725121921213d1de66c2df5e2b824afacc232062c006
SHA512166986264fc32201e89664f745378259579aa774b5b153d3017c2dceee98ab92ee448fca9069a9d541aa9b8d7c12059283b8db6f8fbc29efef0409ab6c5c4860
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Filesize
5KB
MD52e8713fb6d0989652c81c7d1421a7d64
SHA14f88da7708fbf879283e18866af169c19cf95e23
SHA256c45318306993f7d16e3e725121921213d1de66c2df5e2b824afacc232062c006
SHA512166986264fc32201e89664f745378259579aa774b5b153d3017c2dceee98ab92ee448fca9069a9d541aa9b8d7c12059283b8db6f8fbc29efef0409ab6c5c4860
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Filesize
5KB
MD52e8713fb6d0989652c81c7d1421a7d64
SHA14f88da7708fbf879283e18866af169c19cf95e23
SHA256c45318306993f7d16e3e725121921213d1de66c2df5e2b824afacc232062c006
SHA512166986264fc32201e89664f745378259579aa774b5b153d3017c2dceee98ab92ee448fca9069a9d541aa9b8d7c12059283b8db6f8fbc29efef0409ab6c5c4860
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Filesize
5KB
MD52e8713fb6d0989652c81c7d1421a7d64
SHA14f88da7708fbf879283e18866af169c19cf95e23
SHA256c45318306993f7d16e3e725121921213d1de66c2df5e2b824afacc232062c006
SHA512166986264fc32201e89664f745378259579aa774b5b153d3017c2dceee98ab92ee448fca9069a9d541aa9b8d7c12059283b8db6f8fbc29efef0409ab6c5c4860
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Filesize
216KB
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Filesize
64KB
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Filesize
304KB
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Filesize
208KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
312KB
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Filesize
5.6MB
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Filesize
1.2MB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
64KB
-
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
-
Filesize
76KB
-
Filesize
76KB