Analysis
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max time kernel
151s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
24-09-2023 00:09
General
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Target
32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964.exe
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Size
262KB
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MD5
5d2b3f808075ab6e605f4242d9c7a398
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SHA1
2b0d4edf8ab7b84e7f8b5e05a18b39bf3ee5cf5b
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SHA256
32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964
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SHA512
901a107dd865c14752cc61cfe9a08c5b50729a49d47b7010a03f44f5f3d51d9909c162bdd330771d9aa27f462f085fb2307543a8a28a62b46ed68ac7c037f797
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SSDEEP
6144:kxywx3MS8G0RaN8t/CynGqYVOlmA95LTF4/zc7ldxsOV:gLqS87RaN3yG30vLp4wyO
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 (465) 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 62 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\32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964.exe"C:\Users\Admin\AppData\Local\Temp\32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964.exeC:\Users\Admin\AppData\Local\Temp\32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964.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\32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964.exe"C:\Users\Admin\AppData\Local\Temp\32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964.exeC:\Users\Admin\AppData\Local\Temp\32d1458fb5c0c08156568a658f30143786336a73dea1d76bef9becf4a55c0964.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\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\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\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
2.7MB
MD5a09cc2988d15f9e09f8f18600107f5c4
SHA1879f76a042cd9a5ff57561bf519c94535a7deb8b
SHA2565f766d3fd279e3de51bd0ab65147cccfe4137ab7ee15084dce1cf9a817214228
SHA512d779160786909835d6024bc0be2260b4ca1c4902d57017edd14d7b7ae1e66e558f38dc6da6ed5756193f0b538e6b6e20f38fe14f22ecf040bcce70ee846d673d
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Filesize
927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
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Filesize
5KB
MD58ac12d80dd604a5e30a8d120ce3a0375
SHA1ae9d89649ffeb2bcef157763d878989cc4180822
SHA256c79f83af90f513fcd2809e3198c11ac8b4b50821a47bf423328bc41a9a863c8a
SHA512ee1e29568ffb686fb492551e2982071c754bfde208d4167f6dd9485cbbec58410cbb02e65e6f30abbb55ab790362b36bd3b38dab18124853742c6767916f7520
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Filesize
5KB
MD58ac12d80dd604a5e30a8d120ce3a0375
SHA1ae9d89649ffeb2bcef157763d878989cc4180822
SHA256c79f83af90f513fcd2809e3198c11ac8b4b50821a47bf423328bc41a9a863c8a
SHA512ee1e29568ffb686fb492551e2982071c754bfde208d4167f6dd9485cbbec58410cbb02e65e6f30abbb55ab790362b36bd3b38dab18124853742c6767916f7520
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Filesize
5KB
MD58ac12d80dd604a5e30a8d120ce3a0375
SHA1ae9d89649ffeb2bcef157763d878989cc4180822
SHA256c79f83af90f513fcd2809e3198c11ac8b4b50821a47bf423328bc41a9a863c8a
SHA512ee1e29568ffb686fb492551e2982071c754bfde208d4167f6dd9485cbbec58410cbb02e65e6f30abbb55ab790362b36bd3b38dab18124853742c6767916f7520
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Filesize
5KB
MD58ac12d80dd604a5e30a8d120ce3a0375
SHA1ae9d89649ffeb2bcef157763d878989cc4180822
SHA256c79f83af90f513fcd2809e3198c11ac8b4b50821a47bf423328bc41a9a863c8a
SHA512ee1e29568ffb686fb492551e2982071c754bfde208d4167f6dd9485cbbec58410cbb02e65e6f30abbb55ab790362b36bd3b38dab18124853742c6767916f7520
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Filesize
5KB
MD58ac12d80dd604a5e30a8d120ce3a0375
SHA1ae9d89649ffeb2bcef157763d878989cc4180822
SHA256c79f83af90f513fcd2809e3198c11ac8b4b50821a47bf423328bc41a9a863c8a
SHA512ee1e29568ffb686fb492551e2982071c754bfde208d4167f6dd9485cbbec58410cbb02e65e6f30abbb55ab790362b36bd3b38dab18124853742c6767916f7520
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Filesize
76KB
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Filesize
76KB
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Filesize
5.6MB
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Filesize
304KB
-
Filesize
208KB
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Filesize
7.7MB
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Filesize
280KB
-
Filesize
64KB
-
Filesize
288KB
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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
7.7MB
-
Filesize
64KB
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Filesize
7.7MB