Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
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submitted
12-09-2023 12:21
General
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Target
78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.exe
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Size
494KB
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MD5
5e86e15a56455a7b230d2a934ad129a5
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SHA1
6b0a1beffe90cf58d1e442612458d18b59a852a4
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SHA256
78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce
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SHA512
6dc0c23f825a36db50adf41795a2da3ae962ebd9eef07a923e629a8a32ac2a7aff87e19f1682a259cde6aa83c13c41e7e5ce4f7988680feaaedbe049208401e5
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SSDEEP
12288:wWwjzdKu2piK6lVOx7j5S8U9a/tUvuNX7Y:Pwjzd+gE99XAC
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 (469) 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 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\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.exe"C:\Users\Admin\AppData\Local\Temp\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.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\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.exeC:\Users\Admin\AppData\Local\Temp\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.exeC:\Users\Admin\AppData\Local\Temp\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.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\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.exe"C:\Users\Admin\AppData\Local\Temp\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.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\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.exeC:\Users\Admin\AppData\Local\Temp\78732997a6c9d975b97da85fc511533d44083a9f9da60dae8393274a59b7bfce.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
MD594c6af90be42431ca4f8a57d3dd92cee
SHA154c257263d61e2239fd406449269ae31c6f6a56a
SHA256516eab9e270dfbb9880306e3f0d1ad02b0d804c844275188853b2638fbd800e6
SHA5120f2e3df6f3ce4d3e890b0842401b1d6aa17f82df4e0b6ee046df360faa47269c2dcf0a2048e2ed791ce17c7c742aea30fc232ce15e6889424b49458e4e3ada7a
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Filesize
927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
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Filesize
5KB
MD52cdbbb47ff3107e59f2e5024457e5a76
SHA1e975b1f71cc40a023d6487ed0ef7d6b5964fd60d
SHA2563bd8eea38a8559332f8fda84c88990d91fdb2e9c5deb01823a238542748cfdc1
SHA512cc322b4b8638dc3819e02abef2ff17e86aabeb543b1af2308880dc1a96ffc60fc80ffc9f2be3cbb38a9440d08f86b5551ec037887aa149ef0360d3c315c9387f
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Filesize
5KB
MD52cdbbb47ff3107e59f2e5024457e5a76
SHA1e975b1f71cc40a023d6487ed0ef7d6b5964fd60d
SHA2563bd8eea38a8559332f8fda84c88990d91fdb2e9c5deb01823a238542748cfdc1
SHA512cc322b4b8638dc3819e02abef2ff17e86aabeb543b1af2308880dc1a96ffc60fc80ffc9f2be3cbb38a9440d08f86b5551ec037887aa149ef0360d3c315c9387f
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Filesize
5KB
MD52cdbbb47ff3107e59f2e5024457e5a76
SHA1e975b1f71cc40a023d6487ed0ef7d6b5964fd60d
SHA2563bd8eea38a8559332f8fda84c88990d91fdb2e9c5deb01823a238542748cfdc1
SHA512cc322b4b8638dc3819e02abef2ff17e86aabeb543b1af2308880dc1a96ffc60fc80ffc9f2be3cbb38a9440d08f86b5551ec037887aa149ef0360d3c315c9387f
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Filesize
5KB
MD52cdbbb47ff3107e59f2e5024457e5a76
SHA1e975b1f71cc40a023d6487ed0ef7d6b5964fd60d
SHA2563bd8eea38a8559332f8fda84c88990d91fdb2e9c5deb01823a238542748cfdc1
SHA512cc322b4b8638dc3819e02abef2ff17e86aabeb543b1af2308880dc1a96ffc60fc80ffc9f2be3cbb38a9440d08f86b5551ec037887aa149ef0360d3c315c9387f
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Filesize
5KB
MD52cdbbb47ff3107e59f2e5024457e5a76
SHA1e975b1f71cc40a023d6487ed0ef7d6b5964fd60d
SHA2563bd8eea38a8559332f8fda84c88990d91fdb2e9c5deb01823a238542748cfdc1
SHA512cc322b4b8638dc3819e02abef2ff17e86aabeb543b1af2308880dc1a96ffc60fc80ffc9f2be3cbb38a9440d08f86b5551ec037887aa149ef0360d3c315c9387f
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Filesize
64KB
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Filesize
7.7MB
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Filesize
7.7MB
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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
7.7MB
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Filesize
520KB
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Filesize
5.6MB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
76KB