Analysis
-
max time kernel
46s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
-
submitted
12-10-2023 21:54
General
-
Target
8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe
-
Size
874KB
-
MD5
0abe93aa0528480a732e292b655caafc
-
SHA1
8662da2642d79c6ccf8ccdcd833a20be9cf155a1
-
SHA256
8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc
-
SHA512
7cfad76517f23403005dba5f3bf49f9ea2710aa3f1569c0b909ef929ca79a729c2844b7bf0648dd5e55463e1d5b3d53ebec16c6b2a17621e9bdabd21126bb20e
-
SSDEEP
24576:gZXb7RwGQLDuare8OsKkZBr5tPB6VvpYkDnpA6:gXc6INBrbPBypNpA
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 (54) 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 1 IoCs
-
Adds Run key to start application 2 TTPs 2 IoCs
-
Drops desktop.ini file(s) 4 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 23 IoCs
-
Suspicious use of AdjustPrivilegeToken 6 IoCs
-
Suspicious use of WriteProcessMemory 59 IoCs
-
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\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe"C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe2⤵
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe2⤵
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe2⤵
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe2⤵
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe2⤵
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.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\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe"C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc_JC.exe4⤵
-
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\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⤵
-
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\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
-
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
161.1MB
MD575ce234e24d0a4ca310f21bc3904e95f
SHA120135a512b97d2e59b10c73d751ede9f7fe20345
SHA256c19211ba7d2e6d924791a97199b061738a198f422e14438a8b0b4cb3695579ca
SHA512e0908167d196646faf24ac7b145c7b6aa7a8afbc5bf4400cfddaf6a9427ac9e545b58d04f6790965d417a876fe04a9069a805a948c6e69eb8958e68b1d2f8d8b
-
Filesize
256KB
-
Filesize
6.9MB
-
Filesize
208KB
-
Filesize
304KB
-
Filesize
6.9MB
-
Filesize
280KB
-
Filesize
896KB
-
Filesize
4KB
-
Filesize
36KB
-
Filesize
6.9MB
-
Filesize
256KB
-
Filesize
280KB
-
Filesize
6.9MB
-
Filesize
896KB
-
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