Analysis
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max time kernel
150s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
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submitted
23-10-2023 08:40
General
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Target
5322dc793dc514fd4a82d96388aaaf02.exe
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Size
1.1MB
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MD5
5322dc793dc514fd4a82d96388aaaf02
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SHA1
b003d8ee93a36a453b337d17069ae1f779917800
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SHA256
4e4c154f0500990e897ca9650eafd3c6255ba4df3b4bc620c6ba27b718278392
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SHA512
3b7a763b5748af1b31e00978c3711f20b3dce96572d7bdbc50adf4c2ed4ff84d0ddc1e2040f178355cc8da7e164cd76169db75d5485973ebf9a1c7afb7b07b0d
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SSDEEP
24576:5HOlaHILUR9X/oGhmE5EApGfZAuBQfm+t:Mywk53mE5EA8fZ52++
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 (461) 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\5322dc793dc514fd4a82d96388aaaf02.exe"C:\Users\Admin\AppData\Local\Temp\5322dc793dc514fd4a82d96388aaaf02.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5322dc793dc514fd4a82d96388aaaf02.exeC:\Users\Admin\AppData\Local\Temp\5322dc793dc514fd4a82d96388aaaf02.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\5322dc793dc514fd4a82d96388aaaf02.exe"C:\Users\Admin\AppData\Local\Temp\5322dc793dc514fd4a82d96388aaaf02.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5322dc793dc514fd4a82d96388aaaf02.exeC:\Users\Admin\AppData\Local\Temp\5322dc793dc514fd4a82d96388aaaf02.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\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\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\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
3.2MB
MD5b06abdb9c0aa137e0309e23344ffb86c
SHA1eedcc9d0695370833db601a85d24489b183cadbd
SHA2563e1755ff4d589e9e641406cdc0679674d0714786c2e33f86d6c36589abd38d67
SHA51294e2eb489c42aeacdab1c5f62b32ca7fac404d92f2d43bf924906abbb0dc2db78fc54fafb228e1fff8496e5b6540d1b9ed0ce4fc1e70d224ec6510392de51f97
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Filesize
1016B
MD54353288293ab8929e492327245a7ccb2
SHA189b365f2f5e14faaf17715e5764b60d344250d67
SHA25661954fc5184dd88a959f803ee98ca9af53eb0c942dbb00b98ba4f8a46081b587
SHA51248c07ca1b769cf02af6ec938aad8b5a03133e82a451bdff5a03bf4ba47cfd7add0ab28ee6622c22fb54e127472a7cf68dd7d05da15ec439cc18aed2ca76cd08a
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Filesize
5KB
MD59312a9d1b0dd184d151d031cf33b486e
SHA1807a1c3c7885d1393ea3ae827397bc1d910440f0
SHA256c85932889710646a576e9fe526545ea5bd67d9364f97e0302ff03c47d67fe150
SHA51219f2fa5fbb04a91784bc4ee4c1f01d8741de0c46a545ce420f945d69034af579d84ccc590c2f8f352df894a5365f2b696690c04c7195f5ed7d2a0c2c6b05d05f
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Filesize
5KB
MD59312a9d1b0dd184d151d031cf33b486e
SHA1807a1c3c7885d1393ea3ae827397bc1d910440f0
SHA256c85932889710646a576e9fe526545ea5bd67d9364f97e0302ff03c47d67fe150
SHA51219f2fa5fbb04a91784bc4ee4c1f01d8741de0c46a545ce420f945d69034af579d84ccc590c2f8f352df894a5365f2b696690c04c7195f5ed7d2a0c2c6b05d05f
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Filesize
5KB
MD59312a9d1b0dd184d151d031cf33b486e
SHA1807a1c3c7885d1393ea3ae827397bc1d910440f0
SHA256c85932889710646a576e9fe526545ea5bd67d9364f97e0302ff03c47d67fe150
SHA51219f2fa5fbb04a91784bc4ee4c1f01d8741de0c46a545ce420f945d69034af579d84ccc590c2f8f352df894a5365f2b696690c04c7195f5ed7d2a0c2c6b05d05f
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Filesize
5KB
MD59312a9d1b0dd184d151d031cf33b486e
SHA1807a1c3c7885d1393ea3ae827397bc1d910440f0
SHA256c85932889710646a576e9fe526545ea5bd67d9364f97e0302ff03c47d67fe150
SHA51219f2fa5fbb04a91784bc4ee4c1f01d8741de0c46a545ce420f945d69034af579d84ccc590c2f8f352df894a5365f2b696690c04c7195f5ed7d2a0c2c6b05d05f
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Filesize
5KB
MD59312a9d1b0dd184d151d031cf33b486e
SHA1807a1c3c7885d1393ea3ae827397bc1d910440f0
SHA256c85932889710646a576e9fe526545ea5bd67d9364f97e0302ff03c47d67fe150
SHA51219f2fa5fbb04a91784bc4ee4c1f01d8741de0c46a545ce420f945d69034af579d84ccc590c2f8f352df894a5365f2b696690c04c7195f5ed7d2a0c2c6b05d05f
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Filesize
5.6MB
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Filesize
1.2MB
-
Filesize
304KB
-
Filesize
208KB
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Filesize
216KB
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Filesize
7.7MB
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Filesize
312KB
-
Filesize
64KB
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Filesize
584KB
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Filesize
7.7MB
-
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
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Filesize
7.7MB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
76KB