Analysis
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max time kernel
150s -
max time network
134s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
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submitted
14-07-2023 07:27
General
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Target
408d62cbf4789d9533230eff49b8b45c11b01fd8c8d6d65ec339725d7521a48c.exe
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Size
165KB
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MD5
a2f3d796dc2c2f474188db58d5ca7593
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SHA1
dc88893abba370aab576dcc9bd60b5fc7bb5dd4e
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SHA256
408d62cbf4789d9533230eff49b8b45c11b01fd8c8d6d65ec339725d7521a48c
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SHA512
9a454f6eb65ef53baa5cff2e2dd3b4691e80acc37b78e27b4832a045420942425aa458243d3640fe9b3d5c756cfb8d65d7f828cd4b6633228a6500327c1f2b7c
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SSDEEP
3072:RONnlLWEFpHEVITy9VG4Req0CFkIOomD7Pp65vOs2C:+lLWcpHuSM3IGFROokP2Om
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 (452) 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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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 42 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\408d62cbf4789d9533230eff49b8b45c11b01fd8c8d6d65ec339725d7521a48c.exe"C:\Users\Admin\AppData\Local\Temp\408d62cbf4789d9533230eff49b8b45c11b01fd8c8d6d65ec339725d7521a48c.exe"1⤵
- 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\408d62cbf4789d9533230eff49b8b45c11b01fd8c8d6d65ec339725d7521a48c.exe"C:\Users\Admin\AppData\Local\Temp\408d62cbf4789d9533230eff49b8b45c11b01fd8c8d6d65ec339725d7521a48c.exe"2⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall set currentprofile state off3⤵
- Modifies Windows Firewall
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C:\Windows\system32\netsh.exenetsh firewall set opmode mode=disable3⤵
- Modifies Windows Firewall
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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}2⤵
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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}2⤵
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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}2⤵
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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}2⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\bcdedit.exebcdedit /set {default} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\bcdedit.exebcdedit /set {default} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- 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 v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.2MB
MD525a114b2e24990bbe69e01a6707d52ae
SHA137aad27b127639ea17013ed62926dde845b89711
SHA256ad086f743def099a44240b34a3179cd533387d5b8a6b3236f2eb4d9137e29091
SHA512d786f8a604a3f87c8bb431cf2097faa8e8a1db9a5885e1642e3caee940183a52516c411bc71a00f44e40136d3cc419dede288bb413df690ab8738330daf509f9
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Filesize
5KB
MD5b0b9f3958d60df89ebea9f9e6540b8f8
SHA10e493d3a5450ba8cba67f990d17b1904065968fe
SHA25657cd11dcf7fa319c3e4d064e85756718f9a5986d24fcfbf6d74f58a5434af366
SHA512e88b77d14740c280110c237f791752dfb65be08e4118f27c1239a81d5bb6625349ccf677b83c21ec7b0d5b3dc8f1088ab19b56b1d423cce872992d4fad20a80c
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Filesize
5KB
MD5b0b9f3958d60df89ebea9f9e6540b8f8
SHA10e493d3a5450ba8cba67f990d17b1904065968fe
SHA25657cd11dcf7fa319c3e4d064e85756718f9a5986d24fcfbf6d74f58a5434af366
SHA512e88b77d14740c280110c237f791752dfb65be08e4118f27c1239a81d5bb6625349ccf677b83c21ec7b0d5b3dc8f1088ab19b56b1d423cce872992d4fad20a80c
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Filesize
5KB
MD5b0b9f3958d60df89ebea9f9e6540b8f8
SHA10e493d3a5450ba8cba67f990d17b1904065968fe
SHA25657cd11dcf7fa319c3e4d064e85756718f9a5986d24fcfbf6d74f58a5434af366
SHA512e88b77d14740c280110c237f791752dfb65be08e4118f27c1239a81d5bb6625349ccf677b83c21ec7b0d5b3dc8f1088ab19b56b1d423cce872992d4fad20a80c
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Filesize
5KB
MD5b0b9f3958d60df89ebea9f9e6540b8f8
SHA10e493d3a5450ba8cba67f990d17b1904065968fe
SHA25657cd11dcf7fa319c3e4d064e85756718f9a5986d24fcfbf6d74f58a5434af366
SHA512e88b77d14740c280110c237f791752dfb65be08e4118f27c1239a81d5bb6625349ccf677b83c21ec7b0d5b3dc8f1088ab19b56b1d423cce872992d4fad20a80c
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Filesize
5KB
MD5b0b9f3958d60df89ebea9f9e6540b8f8
SHA10e493d3a5450ba8cba67f990d17b1904065968fe
SHA25657cd11dcf7fa319c3e4d064e85756718f9a5986d24fcfbf6d74f58a5434af366
SHA512e88b77d14740c280110c237f791752dfb65be08e4118f27c1239a81d5bb6625349ccf677b83c21ec7b0d5b3dc8f1088ab19b56b1d423cce872992d4fad20a80c
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Filesize
60KB
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Filesize
616KB
-
Filesize
616KB
-
Filesize
616KB
-
Filesize
616KB
-
Filesize
616KB
-
Filesize
616KB
-
Filesize
60KB
-
Filesize
616KB
-
Filesize
616KB
-
Filesize
1024KB
-
Filesize
1024KB
-
Filesize
616KB
-
Filesize
1024KB
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Filesize
616KB