Analysis
-
max time kernel
156s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
-
submitted
13-10-2023 21:39
General
-
Target
d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.exe
-
Size
602KB
-
MD5
42553b52c33d2b5f8a747819d0bf97d5
-
SHA1
ae1bc8822e41c65caedc07dd98b0d9156e2a28cd
-
SHA256
d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08
-
SHA512
5ed02973a1a88dc4835a933e84d422ecad64dd33645d4621ecd396a8786269c7616b5e68a6744912c5f3bc831a1b897b89306b773577c90dfbf766e1186ffe4c
-
SSDEEP
12288:k1gLpE124JdB+jegjTfWU3qU8FyFTdeQUSonYLVqY2Vi:HaM4JaSMoF4deLgVKQ
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 (274) 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\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.exe"C:\Users\Admin\AppData\Local\Temp\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.exeC:\Users\Admin\AppData\Local\Temp\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.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\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.exe"C:\Users\Admin\AppData\Local\Temp\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.exeC:\Users\Admin\AppData\Local\Temp\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.exe4⤵
-
C:\Users\Admin\AppData\Local\Temp\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.exeC:\Users\Admin\AppData\Local\Temp\d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08.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⤵
- 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
2.7MB
MD5a61313c7905573ff8cbe7bdd51657c91
SHA16a30103af3f1af34cca9e4aaef1ee969eab17727
SHA256f2bc8d05201abd78acf05e6a3a9d234f4d71266d08c1514413700d73cd8b8fc8
SHA5123ed7f0b88595d6c123279d005ebfe927e54050a63f02d4f131ecec5367220a0b99f45c5ba31d11f0e6c871941521998dc33031803ad291156cf64debf9d66335
-
Filesize
927B
MD5ff27e87d4bf1330435001e57e8244d60
SHA1b22264ed3cd4d35f8236278edd2512c3b7ecb355
SHA2567e9adf70ba438f8a38feac34e1b25bb4261fa506d00361ea7e5cde784651474e
SHA512d678aa2b42032ea0d811f9783abff7c94a6d674bd3dee74df706b7f95da7e51d84207320ea36226da4f8651e6ec618ea12d99d2d6d371bd1e98395518b8956e0
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
76KB
-
Filesize
208KB
-
Filesize
304KB
-
Filesize
280KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
304KB
-
Filesize
64KB
-
Filesize
5.6MB
-
Filesize
624KB
-
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