Analysis
-
max time kernel
132s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
-
submitted
14-10-2023 02:08
General
-
Target
8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.exe
-
Size
874KB
-
MD5
0abe93aa0528480a732e292b655caafc
-
SHA1
8662da2642d79c6ccf8ccdcd833a20be9cf155a1
-
SHA256
8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc
-
SHA512
7cfad76517f23403005dba5f3bf49f9ea2710aa3f1569c0b909ef929ca79a729c2844b7bf0648dd5e55463e1d5b3d53ebec16c6b2a17621e9bdabd21126bb20e
-
SSDEEP
24576:gZXb7RwGQLDuare8OsKkZBr5tPB6VvpYkDnpA6:gXc6INBrbPBypNpA
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 (578) 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 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) 24 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 2 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\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.exe"C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.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\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.exe"C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.exe4⤵
-
C:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.exeC:\Users\Admin\AppData\Local\Temp\8f60d17bbaefd66fe94d34ea3262a1e94b0f8f0702c437d19d3e292c72f1cedc.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⤵
-
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
-
C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete4⤵
-
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
MD52ba2b046af84a759d6f077bd56391e0b
SHA18998c8aed90c92d4cafe5f6cd84ec08f6ef83851
SHA2560f8dcf5fca03a3dc25218dac23cc36d5340ebf984724baba7a6156630f23f624
SHA512023008f317447508312588e81b1038a43ef408f3ce01414f1a9bd8427d42ea1118105dde5fba3979128c44e62d9a06226561907a987fd8b1cab74233dbeb1a66
-
Filesize
927B
MD5ff27e87d4bf1330435001e57e8244d60
SHA1b22264ed3cd4d35f8236278edd2512c3b7ecb355
SHA2567e9adf70ba438f8a38feac34e1b25bb4261fa506d00361ea7e5cde784651474e
SHA512d678aa2b42032ea0d811f9783abff7c94a6d674bd3dee74df706b7f95da7e51d84207320ea36226da4f8651e6ec618ea12d99d2d6d371bd1e98395518b8956e0
-
Filesize
5KB
MD566485872a8c00b8fed311b5e2afd2adb
SHA1008af7f24214437f0e53cce81fd67d3a78130499
SHA25630ec907726c3729faa7f1ec411ddec69de1533c42fd797bb1ee5494df2129e07
SHA512b3acb9480657de08714454c1a4da5260c197211cb24a0c2f04af2dac47c6dccb13583449a51c9d33900d877ef41af9f9777f2277ada149ad8f81790afc0fe652
-
Filesize
5KB
MD566485872a8c00b8fed311b5e2afd2adb
SHA1008af7f24214437f0e53cce81fd67d3a78130499
SHA25630ec907726c3729faa7f1ec411ddec69de1533c42fd797bb1ee5494df2129e07
SHA512b3acb9480657de08714454c1a4da5260c197211cb24a0c2f04af2dac47c6dccb13583449a51c9d33900d877ef41af9f9777f2277ada149ad8f81790afc0fe652
-
Filesize
5KB
MD566485872a8c00b8fed311b5e2afd2adb
SHA1008af7f24214437f0e53cce81fd67d3a78130499
SHA25630ec907726c3729faa7f1ec411ddec69de1533c42fd797bb1ee5494df2129e07
SHA512b3acb9480657de08714454c1a4da5260c197211cb24a0c2f04af2dac47c6dccb13583449a51c9d33900d877ef41af9f9777f2277ada149ad8f81790afc0fe652
-
Filesize
5KB
MD566485872a8c00b8fed311b5e2afd2adb
SHA1008af7f24214437f0e53cce81fd67d3a78130499
SHA25630ec907726c3729faa7f1ec411ddec69de1533c42fd797bb1ee5494df2129e07
SHA512b3acb9480657de08714454c1a4da5260c197211cb24a0c2f04af2dac47c6dccb13583449a51c9d33900d877ef41af9f9777f2277ada149ad8f81790afc0fe652
-
Filesize
5KB
MD566485872a8c00b8fed311b5e2afd2adb
SHA1008af7f24214437f0e53cce81fd67d3a78130499
SHA25630ec907726c3729faa7f1ec411ddec69de1533c42fd797bb1ee5494df2129e07
SHA512b3acb9480657de08714454c1a4da5260c197211cb24a0c2f04af2dac47c6dccb13583449a51c9d33900d877ef41af9f9777f2277ada149ad8f81790afc0fe652
-
Filesize
64KB
-
Filesize
304KB
-
Filesize
208KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
280KB
-
Filesize
5.6MB
-
Filesize
896KB
-
Filesize
7.7MB
-
Filesize
280KB
-
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
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB