Analysis
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max time kernel
150s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
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submitted
11-08-2023 17:44
General
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Target
05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exe
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Size
825KB
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MD5
2959bf89c7d0c6f6bc845c06f65cf1ae
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SHA1
636b9912724e165a427b8bcce77a8e788e0b8417
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SHA256
05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c
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SHA512
192928572d97eec7dde3ad9fccd205707ee89e9af4219ccc11f201f799e03b8774344b530bfed8d9a80c9f5815830ce9d30f4490f0e3545117573e9c8caa924a
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SSDEEP
24576:eVag6jcFCsOa9SfgiZAg1+B7VXM2nc+iQKRCk:CaEAsOaUxa7VDc3QKRj
Malware Config
Extracted
C:\Users\Public\Desktop\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
C:\users\public\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 (310) 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 1 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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Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Modifies Internet Explorer settings 1 TTPs 4 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
Processes
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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
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exe"C:\Users\Admin\AppData\Local\Temp\05c29b528fccf8c2793663a6725c9bf680944ffa6a26129d7aaafd1980bd034c.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
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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"3⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"3⤵
- Modifies Internet Explorer settings
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "F:\info.hta"3⤵
- Modifies Internet Explorer settings
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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⤵
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
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Filesize
24.4MB
MD51ce6871167ce665fde282b3ceabc3dba
SHA102d74def9e5336adb30e1038cb3098927ac3f7e5
SHA25651358c6ff76c9fa155a7f59cbdad4b9e5626dc26ff322025a62f05450d7cdaa1
SHA5127bf72f68f09ff4456389f973c023937fef029aec6bf3e2dd4a85aef8ef2fdddbf96609dfe89e902a4cebc7d015fee6fc1d0c023aa775fc332c1bb48b30c252df
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Filesize
5KB
MD5996be864fb19dd2e2977d27ebcd2d746
SHA112bcd680f360098b7f2f907312a8c5af901ba244
SHA256e3464f5e851534a912eeed7932f36edfb07b4abff36a4e632389053d0ead6379
SHA512b0221bd9f62e22617294f7051ab819b68779984e98a31d97cc4787b95f214236cfd051350f5cbe28e704bcae941ad5376359bff4acfecbd0858fd7801e1dcc8d
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Filesize
5KB
MD5996be864fb19dd2e2977d27ebcd2d746
SHA112bcd680f360098b7f2f907312a8c5af901ba244
SHA256e3464f5e851534a912eeed7932f36edfb07b4abff36a4e632389053d0ead6379
SHA512b0221bd9f62e22617294f7051ab819b68779984e98a31d97cc4787b95f214236cfd051350f5cbe28e704bcae941ad5376359bff4acfecbd0858fd7801e1dcc8d
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Filesize
5KB
MD5996be864fb19dd2e2977d27ebcd2d746
SHA112bcd680f360098b7f2f907312a8c5af901ba244
SHA256e3464f5e851534a912eeed7932f36edfb07b4abff36a4e632389053d0ead6379
SHA512b0221bd9f62e22617294f7051ab819b68779984e98a31d97cc4787b95f214236cfd051350f5cbe28e704bcae941ad5376359bff4acfecbd0858fd7801e1dcc8d
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Filesize
5KB
MD5996be864fb19dd2e2977d27ebcd2d746
SHA112bcd680f360098b7f2f907312a8c5af901ba244
SHA256e3464f5e851534a912eeed7932f36edfb07b4abff36a4e632389053d0ead6379
SHA512b0221bd9f62e22617294f7051ab819b68779984e98a31d97cc4787b95f214236cfd051350f5cbe28e704bcae941ad5376359bff4acfecbd0858fd7801e1dcc8d
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Filesize
5KB
MD5996be864fb19dd2e2977d27ebcd2d746
SHA112bcd680f360098b7f2f907312a8c5af901ba244
SHA256e3464f5e851534a912eeed7932f36edfb07b4abff36a4e632389053d0ead6379
SHA512b0221bd9f62e22617294f7051ab819b68779984e98a31d97cc4787b95f214236cfd051350f5cbe28e704bcae941ad5376359bff4acfecbd0858fd7801e1dcc8d
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Filesize
76KB
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Filesize
76KB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
848KB
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Filesize
256KB
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Filesize
6.9MB
-
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
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
732KB
-
Filesize
752KB
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Filesize
256KB
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Filesize
6.9MB
-
Filesize
848KB
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Filesize
4KB
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Filesize
6.9MB
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Filesize
216KB
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Filesize
304KB
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Filesize
6.9MB