Analysis
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max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
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submitted
30-10-2023 07:26
General
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Target
fba616f5dc56b1cd9c463c0b9da86578.exe
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Size
1.1MB
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MD5
fba616f5dc56b1cd9c463c0b9da86578
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SHA1
ac2b9c5c34af3894210852c7199a32dcd96c048c
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SHA256
30e90f33067608e8e7f4d57fd6903adb5eccb91bf426c56569c16bf86f0d8971
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SHA512
7e6c8b01308310a7f13bb3891a166eced2d15057ffa1d3b296058d9420ac46cb39abc272d4883bb2168b00d04a34fe674ef6085776b618a46913854421484cd5
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SSDEEP
12288:6YFxm3mFshWQKt/kzc8MDz311UVZi/MBJ+z4YTwSPFOXXBumgKGYwhm0XPie4LnM:NrPFYW/x19/MGxPGAmQn/isFhXV
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\info.hta
Signatures
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Phobos
Phobos ransomware appeared at the beginning of 2019.
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
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Renames multiple (470) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes backup catalog 3 TTPs 2 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Modifies Windows Firewall 1 TTPs 2 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 3 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
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Drops desktop.ini file(s) 64 IoCs
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Suspicious use of SetThreadContext 2 IoCs
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies registry class 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 64 IoCs
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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.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.exe"C:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.exeC:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.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
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C:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.exe"C:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.exeC:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.exeC:\Users\Admin\AppData\Local\Temp\fba616f5dc56b1cd9c463c0b9da86578.exe4⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off4⤵
- Modifies Windows Firewall
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable4⤵
- Modifies Windows Firewall
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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⤵
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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⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}3⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no4⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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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
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Filesize
3.2MB
MD5298cdfac719ff604e27bc54880533a30
SHA15a90854f001ff1b3df3741ac3846458e666d4f42
SHA256b822bcd1d3d32ce56006c60906799acaf7e2fe0519e0bfa19a58ec49302e3229
SHA5121281982de7f960bdd94074f15736955b37424fef862289f5ade5a6a2b007f98ae8e99d0bcddcadbbfb859cd56684f24b0beed4a58977e36240224e13fc8a2b64
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Filesize
1016B
MD5643981568a2ec2f5f94216e2f104a4f7
SHA1eed27a5e0c9ce871c635e0ccf3859b20999bfef4
SHA2561686c2f5cb3f642b0d8e6d51230d37db11b2c96e416931120168304aba45d9a6
SHA512424dbfca69e15a699c2dcdb86128c780706fb0550b4012789756a01a4b022e8d9d9b57876cafe2a5282b6f9fbbfe3f479e6a08f708898c55216b459998ea1b0d
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Filesize
5KB
MD56367a2e2bb38114c554fffc08dd2e0a7
SHA1206f88cb9b86875fa4b17a6c704168d9c2a1d402
SHA256dac5ab6db08217cabcfed035e0cdef625a9b039d9a99a1e38a9846ce58035bd0
SHA512696ecc0a265edf98d9cf4d1d4f2301e3ca6af4d625dbc51c71869b1a2458dbd12804c67a98b4e12ce74aab3095fdf57e9234c727db11e8c7b1947f3f52f3064a
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Filesize
5KB
MD56367a2e2bb38114c554fffc08dd2e0a7
SHA1206f88cb9b86875fa4b17a6c704168d9c2a1d402
SHA256dac5ab6db08217cabcfed035e0cdef625a9b039d9a99a1e38a9846ce58035bd0
SHA512696ecc0a265edf98d9cf4d1d4f2301e3ca6af4d625dbc51c71869b1a2458dbd12804c67a98b4e12ce74aab3095fdf57e9234c727db11e8c7b1947f3f52f3064a
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Filesize
5KB
MD56367a2e2bb38114c554fffc08dd2e0a7
SHA1206f88cb9b86875fa4b17a6c704168d9c2a1d402
SHA256dac5ab6db08217cabcfed035e0cdef625a9b039d9a99a1e38a9846ce58035bd0
SHA512696ecc0a265edf98d9cf4d1d4f2301e3ca6af4d625dbc51c71869b1a2458dbd12804c67a98b4e12ce74aab3095fdf57e9234c727db11e8c7b1947f3f52f3064a
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Filesize
5KB
MD56367a2e2bb38114c554fffc08dd2e0a7
SHA1206f88cb9b86875fa4b17a6c704168d9c2a1d402
SHA256dac5ab6db08217cabcfed035e0cdef625a9b039d9a99a1e38a9846ce58035bd0
SHA512696ecc0a265edf98d9cf4d1d4f2301e3ca6af4d625dbc51c71869b1a2458dbd12804c67a98b4e12ce74aab3095fdf57e9234c727db11e8c7b1947f3f52f3064a
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Filesize
5KB
MD56367a2e2bb38114c554fffc08dd2e0a7
SHA1206f88cb9b86875fa4b17a6c704168d9c2a1d402
SHA256dac5ab6db08217cabcfed035e0cdef625a9b039d9a99a1e38a9846ce58035bd0
SHA512696ecc0a265edf98d9cf4d1d4f2301e3ca6af4d625dbc51c71869b1a2458dbd12804c67a98b4e12ce74aab3095fdf57e9234c727db11e8c7b1947f3f52f3064a
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Filesize
64KB
-
Filesize
208KB
-
Filesize
304KB
-
Filesize
64KB
-
Filesize
216KB
-
Filesize
312KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
1.2MB
-
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
64KB
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Filesize
7.7MB
-
Filesize
64KB
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Filesize
7.7MB