Analysis
-
max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
-
submitted
12-10-2023 16:45
General
-
Target
ff230f8ca501e06feedd202b40879e2b.exe
-
Size
295KB
-
MD5
ff230f8ca501e06feedd202b40879e2b
-
SHA1
6ffb1e4af21e5413b07d0b4951f2dfaaba6b26b0
-
SHA256
9f40b69060a52731107baec84a0c0f8a1bfc1a62e8471b9cd69509aade9cb7f1
-
SHA512
308edf14261f3763fe3bb65cef4b88473b91d02b032441d91cc87a9a49d7b20df381bae28eae7ded49cfca529bfe11da40d2f4ac2fa9c6495e6527604ca2d800
-
SSDEEP
6144:ugyOoVGyCNHIbER9bbDHyzJxE5zPYS5ycCE+WQnaTzQNeqR0R:ugyr3CNHIbeym3FCEnYeq
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\users\public\desktop\info.hta
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 4 IoCs
-
Renames multiple (594) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Deletes backup catalog 3 TTPs 2 IoCs
Uses wbadmin.exe to inhibit system recovery.
-
Modifies Windows Firewall 1 TTPs 2 IoCs
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
-
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
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
-
Modifies registry class 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
-
Suspicious use of AdjustPrivilegeToken 64 IoCs
-
Suspicious use of WriteProcessMemory 64 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\ff230f8ca501e06feedd202b40879e2b.exe"C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exeC:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exe2⤵
-
C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exeC:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.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
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exe"C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.exeC:\Users\Admin\AppData\Local\Temp\ff230f8ca501e06feedd202b40879e2b.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\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⤵
-
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⤵
-
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
-
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
-
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
2.7MB
MD58e636e62e714f37aa0d81127d98101c3
SHA195874a309f5b256563e01c53a721d83e54b0a04e
SHA25626b59e4caa4ef627c0775c5cf34c2b97424262f81aba81a8cabd53efe389dead
SHA512cba5773e313fec2bc818aa6323d858f8ddcd128675d83bd7ef4cf3bd88f3ea93b5cb91ae04e8f061a5cb28499a02e14f84c7630afd5512c8636d3cf8d0796fa1
-
Filesize
927B
MD5ff27e87d4bf1330435001e57e8244d60
SHA1b22264ed3cd4d35f8236278edd2512c3b7ecb355
SHA2567e9adf70ba438f8a38feac34e1b25bb4261fa506d00361ea7e5cde784651474e
SHA512d678aa2b42032ea0d811f9783abff7c94a6d674bd3dee74df706b7f95da7e51d84207320ea36226da4f8651e6ec618ea12d99d2d6d371bd1e98395518b8956e0
-
Filesize
5KB
MD549550ca56d2c321f493430c28249507d
SHA10b93861ce1a2ed6c2f3ddb59b7769dc0673ea112
SHA25660990f9efe4910418bfeeba61ddc7549a5669bb62eba73431d7eddffde639317
SHA512019ff81f1e7e61e2ebe244ce8e528073bd2ca442a5cf6c161f33c60aee26a486df4c1366349452219da419d6b05372600f8edb3edd47fca71ab124747a894e20
-
Filesize
5KB
MD549550ca56d2c321f493430c28249507d
SHA10b93861ce1a2ed6c2f3ddb59b7769dc0673ea112
SHA25660990f9efe4910418bfeeba61ddc7549a5669bb62eba73431d7eddffde639317
SHA512019ff81f1e7e61e2ebe244ce8e528073bd2ca442a5cf6c161f33c60aee26a486df4c1366349452219da419d6b05372600f8edb3edd47fca71ab124747a894e20
-
Filesize
5KB
MD549550ca56d2c321f493430c28249507d
SHA10b93861ce1a2ed6c2f3ddb59b7769dc0673ea112
SHA25660990f9efe4910418bfeeba61ddc7549a5669bb62eba73431d7eddffde639317
SHA512019ff81f1e7e61e2ebe244ce8e528073bd2ca442a5cf6c161f33c60aee26a486df4c1366349452219da419d6b05372600f8edb3edd47fca71ab124747a894e20
-
Filesize
5KB
MD549550ca56d2c321f493430c28249507d
SHA10b93861ce1a2ed6c2f3ddb59b7769dc0673ea112
SHA25660990f9efe4910418bfeeba61ddc7549a5669bb62eba73431d7eddffde639317
SHA512019ff81f1e7e61e2ebe244ce8e528073bd2ca442a5cf6c161f33c60aee26a486df4c1366349452219da419d6b05372600f8edb3edd47fca71ab124747a894e20
-
Filesize
5KB
MD549550ca56d2c321f493430c28249507d
SHA10b93861ce1a2ed6c2f3ddb59b7769dc0673ea112
SHA25660990f9efe4910418bfeeba61ddc7549a5669bb62eba73431d7eddffde639317
SHA512019ff81f1e7e61e2ebe244ce8e528073bd2ca442a5cf6c161f33c60aee26a486df4c1366349452219da419d6b05372600f8edb3edd47fca71ab124747a894e20
-
Filesize
7.7MB
-
Filesize
272KB
-
Filesize
304KB
-
Filesize
280KB
-
Filesize
208KB
-
Filesize
7.7MB
-
Filesize
320KB
-
Filesize
5.6MB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
280KB
-
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
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