Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
-
submitted
11-08-2023 17:44
General
-
Target
05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exe
-
Size
825KB
-
MD5
2959bf89c7d0c6f6bc845c06f65cf1ae
-
SHA1
636b9912724e165a427b8bcce77a8e788e0b8417
-
SHA256
05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c
-
SHA512
192928572d97eec7dde3ad9fccd205707ee89e9af4219ccc11f201f799e03b8774344b530bfed8d9a80c9f5815830ce9d30f4490f0e3545117573e9c8caa924a
-
SSDEEP
24576:eVag6jcFCsOa9SfgiZAg1+B7VXM2nc+iQKRCk:CaEAsOaUxa7VDc3QKRj
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\Users\Admin\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 (476) 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
-
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).
-
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 62 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exe"C:\Users\Admin\AppData\Local\Temp\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exeC:\Users\Admin\AppData\Local\Temp\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exe2⤵
- 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\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exe"C:\Users\Admin\AppData\Local\Temp\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exeC:\Users\Admin\AppData\Local\Temp\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.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\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⤵
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
2.9MB
MD5dc890d9b40af754cc10bcfcec8cac3e4
SHA165218ddc119f9d327847a7a8d3d6a2b40aa48756
SHA2563e45c215b590d0fc5cd4b42ccce5410d9b377e3c276aa93f184595a942d4b4cc
SHA5127fba398ddf34f6882ea00cd61ff5726c34672422e2fbe4fda7de9e4544e45f2f3c7e2f6e9b9f84f4688ccbd06ecfe09d4c6f95becb70d8618d65c4a8fe670cae
-
Filesize
1KB
MD58c2da65103d6b46d8cf610b118210cf0
SHA19db4638340bb74f2af3161cc2c9c0b8b32e6ab65
SHA2560e48e2efd419951e0eb9a8d942493cfdf5540d1d19ff9dae6f145fb3ebcbeeac
SHA5123cf5a125276e264cd8478f2b92d3848fb68b96d46eb4a39e650d09df02068c274881a1c314cdfbfdcb452672fb70dd8becf3ffe9562d39919d9c4d6b07fbb614
-
Filesize
5KB
MD598af575cc662a0c4feaed40834168002
SHA1e9a8e4b0326b1a9f8627acfe7c003a9c672b36ad
SHA256c30e36a6f47839cd1a9be0c5b5d1f3b609e43560e62004cd7bacac920bff1fc6
SHA512ff2e6fc7ad5006876e752fca040f37db3e474d7e8caf473f178e1050dde53ee84013fb90251d100bfb170f114b98aa0efc211a547103fcad33caf83e4f682de0
-
Filesize
5KB
MD598af575cc662a0c4feaed40834168002
SHA1e9a8e4b0326b1a9f8627acfe7c003a9c672b36ad
SHA256c30e36a6f47839cd1a9be0c5b5d1f3b609e43560e62004cd7bacac920bff1fc6
SHA512ff2e6fc7ad5006876e752fca040f37db3e474d7e8caf473f178e1050dde53ee84013fb90251d100bfb170f114b98aa0efc211a547103fcad33caf83e4f682de0
-
Filesize
5KB
MD598af575cc662a0c4feaed40834168002
SHA1e9a8e4b0326b1a9f8627acfe7c003a9c672b36ad
SHA256c30e36a6f47839cd1a9be0c5b5d1f3b609e43560e62004cd7bacac920bff1fc6
SHA512ff2e6fc7ad5006876e752fca040f37db3e474d7e8caf473f178e1050dde53ee84013fb90251d100bfb170f114b98aa0efc211a547103fcad33caf83e4f682de0
-
Filesize
5KB
MD598af575cc662a0c4feaed40834168002
SHA1e9a8e4b0326b1a9f8627acfe7c003a9c672b36ad
SHA256c30e36a6f47839cd1a9be0c5b5d1f3b609e43560e62004cd7bacac920bff1fc6
SHA512ff2e6fc7ad5006876e752fca040f37db3e474d7e8caf473f178e1050dde53ee84013fb90251d100bfb170f114b98aa0efc211a547103fcad33caf83e4f682de0
-
Filesize
5KB
MD598af575cc662a0c4feaed40834168002
SHA1e9a8e4b0326b1a9f8627acfe7c003a9c672b36ad
SHA256c30e36a6f47839cd1a9be0c5b5d1f3b609e43560e62004cd7bacac920bff1fc6
SHA512ff2e6fc7ad5006876e752fca040f37db3e474d7e8caf473f178e1050dde53ee84013fb90251d100bfb170f114b98aa0efc211a547103fcad33caf83e4f682de0
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
4KB
-
Filesize
7.7MB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
848KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
40KB
-
Filesize
64KB
-
Filesize
584KB
-
Filesize
5.6MB
-
Filesize
7.7MB