Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
21-09-2024 06:17
General
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Target
125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac.exe
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Size
1.1MB
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MD5
d8bbede0a8ec661f6de3d2491c540464
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SHA1
7fd1d15716c6d5bbe2ccfa77ac41b60653d1ab57
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SHA256
125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac
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SHA512
abbeab3f8645d9610d5a4b79f63aa93d3abfc26bfc9e6ea01f612d0b45c1c9c010f94af492b44b2df1c986ca8f4935a9cc3f5ecada358d3574b9152c1210ab30
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SSDEEP
24576:5HOlaHILUR9X/oGhmE5EApGfZAuBQfm+t:Mywk53mE5EA8fZ52++
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Signatures
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Phobos
Phobos ransomware appeared at the beginning of 2019.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Deletes shadow copies 3 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 (509) 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 2 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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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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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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Browser Information Discovery 1 TTPs
Enumerate browser information.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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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 3 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\125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac.exe"C:\Users\Admin\AppData\Local\Temp\125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac.exeC:\Users\Admin\AppData\Local\Temp\125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac.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
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac.exe"C:\Users\Admin\AppData\Local\Temp\125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac.exe"3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac.exeC:\Users\Admin\AppData\Local\Temp\125477aecc33ed5e3e04f0d2154770545b680c19ae1b74bc23de650faede69ac.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
- Event Triggered Execution: Netsh Helper DLL
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
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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⤵
- System Location Discovery: System Language Discovery
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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⤵
- System Location Discovery: System Language Discovery
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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⤵
- System Location Discovery: System Language Discovery
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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⤵
- System Location Discovery: System Language Discovery
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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
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Direct Volume Access
1Impair Defenses
1Disable or Modify System Firewall
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.6MB
MD5abf21ca24cb4ec31e0efadc9806f6369
SHA1ae72418a8b09742b1ffcaed0243ff8ef30362cb7
SHA256c94c19304df98199c557dd3a9b0fca991f848c1d03b4d2635e0b45bf01a77b8f
SHA512c2194a119f4e4df200e4b83042891ecf0e8d2eaeee11492bc7e2dee31c4708af8079d73088b2029cc601e6d18c6677690b4ff581dfc3e362992cb246f3f34dd3
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Filesize
1016B
MD54353288293ab8929e492327245a7ccb2
SHA189b365f2f5e14faaf17715e5764b60d344250d67
SHA25661954fc5184dd88a959f803ee98ca9af53eb0c942dbb00b98ba4f8a46081b587
SHA51248c07ca1b769cf02af6ec938aad8b5a03133e82a451bdff5a03bf4ba47cfd7add0ab28ee6622c22fb54e127472a7cf68dd7d05da15ec439cc18aed2ca76cd08a
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Filesize
5KB
MD59a75b99a367b8d2b60292deeb7a1a46f
SHA162109cf3ea45c5d4779d6145b83dd3ed7df9ee8c
SHA2568c8b68c6c1111646226a8ff394ddf7ae69ea4a316069ee7a3e21ad51815caa3a
SHA512c9b0223cbbeeec36b202409ea0dbbbc58f27a71e0a4a5b6780bdb0e56a0d9fe8b930a49a7045ba745ba5b9ece4e16095e4ec3f25ef4620270216474307a1ec89
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Filesize
312KB
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Filesize
1.2MB
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Filesize
216KB
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Filesize
208KB
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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
4KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
76KB
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Filesize
7.7MB
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Filesize
4KB
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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
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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
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Filesize
76KB