Analysis
-
max time kernel
113s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
-
submitted
13-10-2023 02:30
General
-
Target
aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exe
-
Size
630KB
-
MD5
af682568d545d56f405e1e476421467c
-
SHA1
be54c56243fd37e288825bd1c01880fcc487d322
-
SHA256
aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63
-
SHA512
e9f4a7d6491f60b2ad2e3844813451838c4d548af2400713007cb8d0a768fde2edaea7b18404afcfc6c3d6fcfea27fe7ed521a7a5cefedc4a64b55ac5fda9cb3
-
SSDEEP
12288:LxAF9CSqpcfzoiBYrJyc/eJDVAb76UP66iK:6F9C6zXOrJEJDA75d
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 (347) 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
-
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) 4 IoCs
-
Suspicious use of SetThreadContext 2 IoCs
-
Drops file in Program Files directory 64 IoCs
-
Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
-
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 51 IoCs
-
Suspicious use of WriteProcessMemory 41 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\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exe"C:\Users\Admin\AppData\Local\Temp\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exeC:\Users\Admin\AppData\Local\Temp\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exe2⤵
-
C:\Users\Admin\AppData\Local\Temp\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exeC:\Users\Admin\AppData\Local\Temp\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_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\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exe"C:\Users\Admin\AppData\Local\Temp\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_JC.exeC:\Users\Admin\AppData\Local\Temp\aedbddbf7494baaaf759a720d9cd17540d3c171b9cc52a02e0ef9a592bd9cd63_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⤵
- 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\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⤵
- 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
-
Filesize
3.2MB
MD5b24014e1a3f25a25e4927f3e7c0a4bb0
SHA1052833c05745608f678a27efa588678c4756fe14
SHA25629e8a78a6bae509354d04294b9123008ba73f3415faf6e44a50a9caffee99fd7
SHA512367dedd279ded571adfe2bab99f0ea2381911210db34a11df666c817327eb850c649159de604215ffaed57e222f66843f2212708a9ed89a0e6812fdb1ec55023
-
Filesize
927B
MD5ff27e87d4bf1330435001e57e8244d60
SHA1b22264ed3cd4d35f8236278edd2512c3b7ecb355
SHA2567e9adf70ba438f8a38feac34e1b25bb4261fa506d00361ea7e5cde784651474e
SHA512d678aa2b42032ea0d811f9783abff7c94a6d674bd3dee74df706b7f95da7e51d84207320ea36226da4f8651e6ec618ea12d99d2d6d371bd1e98395518b8956e0
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
7.7MB
-
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
304KB
-
Filesize
5.6MB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
352KB
-
Filesize
280KB
-
Filesize
208KB
-
Filesize
7.7MB
-
Filesize
656KB