Analysis
-
max time kernel
150s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
-
submitted
23-10-2023 13:38
General
-
Target
2.exe
-
Size
1.1MB
-
MD5
77dc0310c97717e936ee8d9d571e155a
-
SHA1
94452fb5b6803c7e05789109ead0c2b2dd1c86bb
-
SHA256
159fa561bf9069418c5b2a33525ee12b16385f96680890a285d401b9f6781643
-
SHA512
1707dc36093eee64775c28ee00185ccae492d5f00fa2a2d06579a83a551fc514227f2f3804c27ee9cb94f98a4e360ada795b413ccf64d66b3f989c1248e2b3e6
-
SSDEEP
24576:5HOlaHILUR9X/oGhmE5EApGfZAuBQfm+t8:Mywk53mE5EA8fZ52++C
Malware Config
Signatures
-
Phobos
Phobos ransomware appeared at the beginning of 2019.
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
-
Renames multiple (312) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
-
Modifies Windows Firewall 1 TTPs 2 IoCs
-
Drops startup file 3 IoCs
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 2 IoCs
-
Drops desktop.ini file(s) 64 IoCs
-
Suspicious use of SetThreadContext 2 IoCs
-
Drops file in Program Files directory 64 IoCs
-
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
-
Suspicious use of AdjustPrivilegeToken 49 IoCs
-
Suspicious use of WriteProcessMemory 51 IoCs
-
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.
-
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
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
-
C:\Users\Admin\AppData\Local\Temp\2.exeC:\Users\Admin\AppData\Local\Temp\2.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
-
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
-
C:\Users\Admin\AppData\Local\Temp\2.exeC:\Users\Admin\AppData\Local\Temp\2.exe4⤵
-
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
-
C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
-
C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
-
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off4⤵
- Modifies Windows Firewall
-
C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable4⤵
- Modifies Windows Firewall
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
-
C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
143.1MB
MD52b74eabf4b4f21416d90a59de800e938
SHA1354b2365ad56a4473b7736775f0594aa16e344e0
SHA25617374e28a311ce7b4c8d932e70794f8d44c2d3f70e53b3ee409baae35b2afe05
SHA5123511fddac40f5c836e8559960bcb171ea897fddc6ca9c8f2cc16bff5cf983b9dedde2f41d97f6da0ccbc4116422c1fe178ef0ca5340b0c72f9d777665672b0d0
-
Filesize
1.2MB
-
Filesize
6.9MB
-
Filesize
256KB
-
Filesize
6.9MB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
4KB
-
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
304KB
-
Filesize
6.9MB
-
Filesize
256KB
-
Filesize
312KB
-
Filesize
216KB
-
Filesize
208KB
-
Filesize
6.9MB
-
Filesize
1.2MB
-
Filesize
76KB
-
Filesize
4KB