Analysis
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max time kernel
150s -
max time network
132s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
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submitted
23-09-2023 20:50
General
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Target
9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe
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Size
1.7MB
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MD5
a6ab201ae407fbe4a5da5f20dc38412b
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SHA1
b3f8caf67f36730ad87031d206db91c861980615
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SHA256
9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf
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SHA512
eb0e97119784d4f60ac5b1c499e4bdfa885243c8859d79e92e1c07a2aba3539606e5df978d8d63d7764fe898e691488a53d02fc495dc837b930cfe3d83cede2b
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SSDEEP
24576:fp1vJ+VbHGsD+KBrdrDeZYeGMqrK5Nt9Z64JrQTwkMZddfy6Tsqp+RjfMst:x3KpyJrQTwo6Tszgs
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
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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 (448) 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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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\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe"C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe"1⤵
- 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\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exeC:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exeC:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exeC:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.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
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C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe"C:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.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\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exeC:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.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
MD5b99c5d09e8e938c1e0da1e89ec1e2621
SHA19b32086656babeb14297f89e2f52e54b0af86c35
SHA256996c8b432d7137406f5f024a86b865f97ac19290ac34b23c5521f9ebf6324c66
SHA512f8d8fc438ed84bdef57879eb8edcc7163f565733df654ea9d55f5b2ad226665a08ae77be901c5d6bcd541ad00b4d8ae4750d51c2f0bf94907f2707b266fa9a56
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Filesize
927B
MD5ffe7bf10728fcdc9cfc28d6c2320a6f8
SHA1af407275e9830d40889da2e672d2e6af118c8cb8
SHA25672653cc5191f40cf26bcabcb5e0e41e53f23463f725007f74da78e36f9ec1522
SHA512766753516d36ef1065d29dd982e0b6ee4e84c0c17eb2b0a6ca056f6c8e2a908e53c169bbcb01ab8b9ba1be1463fdd4007398d964aed59de761c1a6213842776c
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Filesize
5KB
MD5157d9883541770a6ee9fa6bb00672c68
SHA16194f86b5584f226d8f1a22e2704a0f9d5b6a1c1
SHA256243941f8e2faa10ab77b66e753ea7884f054c8f953065037b4f41e63dcf9bdef
SHA5129fd56bd54d96d3a9dd8da0a01d7d0733d82f63826491684c7cfc5fbfaf21fc6e784ee4ea6680e03447fbc9f74ff3956e3f3d1da40bcef11eb40dacf30b2a2ec3
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Filesize
5KB
MD5157d9883541770a6ee9fa6bb00672c68
SHA16194f86b5584f226d8f1a22e2704a0f9d5b6a1c1
SHA256243941f8e2faa10ab77b66e753ea7884f054c8f953065037b4f41e63dcf9bdef
SHA5129fd56bd54d96d3a9dd8da0a01d7d0733d82f63826491684c7cfc5fbfaf21fc6e784ee4ea6680e03447fbc9f74ff3956e3f3d1da40bcef11eb40dacf30b2a2ec3
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Filesize
5KB
MD5157d9883541770a6ee9fa6bb00672c68
SHA16194f86b5584f226d8f1a22e2704a0f9d5b6a1c1
SHA256243941f8e2faa10ab77b66e753ea7884f054c8f953065037b4f41e63dcf9bdef
SHA5129fd56bd54d96d3a9dd8da0a01d7d0733d82f63826491684c7cfc5fbfaf21fc6e784ee4ea6680e03447fbc9f74ff3956e3f3d1da40bcef11eb40dacf30b2a2ec3
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Filesize
5KB
MD5157d9883541770a6ee9fa6bb00672c68
SHA16194f86b5584f226d8f1a22e2704a0f9d5b6a1c1
SHA256243941f8e2faa10ab77b66e753ea7884f054c8f953065037b4f41e63dcf9bdef
SHA5129fd56bd54d96d3a9dd8da0a01d7d0733d82f63826491684c7cfc5fbfaf21fc6e784ee4ea6680e03447fbc9f74ff3956e3f3d1da40bcef11eb40dacf30b2a2ec3
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Filesize
5KB
MD5157d9883541770a6ee9fa6bb00672c68
SHA16194f86b5584f226d8f1a22e2704a0f9d5b6a1c1
SHA256243941f8e2faa10ab77b66e753ea7884f054c8f953065037b4f41e63dcf9bdef
SHA5129fd56bd54d96d3a9dd8da0a01d7d0733d82f63826491684c7cfc5fbfaf21fc6e784ee4ea6680e03447fbc9f74ff3956e3f3d1da40bcef11eb40dacf30b2a2ec3
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Filesize
5.0MB
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Filesize
1.7MB
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Filesize
6.9MB
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Filesize
304KB
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Filesize
208KB
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Filesize
64KB
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Filesize
280KB
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Filesize
6.9MB
-
Filesize
76KB
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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
6.9MB
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Filesize
64KB
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Filesize
6.9MB