Analysis
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max time kernel
161s -
max time network
178s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
12-10-2023 00:34
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
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 2 IoCs
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Renames multiple (346) 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 1 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 1 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) 4 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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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 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 51 IoCs
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Suspicious use of WriteProcessMemory 47 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⤵
- 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\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:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exeC:\Users\Admin\AppData\Local\Temp\9d163fbffc9692a3143362c51d35d5ab52d1f209d9d5e053196c79a30e6f7acf.exe4⤵
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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\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
MD5e62020cea36f01900e4752d612cb24f2
SHA19fb0925611053562897db4c1b4dfd120121c6e23
SHA2569909247f37001105ebefb861df178e286936e0b61674216e02efe2aae8399e88
SHA512d2205a787559cffc6f619bc2892869780856b7507c06437bb12f0e2d73fd9d783f582bd4167e05f22de5ae21603c40d0d581eba55dcb149a1a424b1e3767fc47
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Filesize
927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
-
Filesize
76KB
-
Filesize
76KB
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Filesize
76KB
-
Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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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
64KB
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Filesize
208KB
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Filesize
7.7MB
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Filesize
280KB
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Filesize
7.7MB
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Filesize
1.7MB
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Filesize
5.6MB
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Filesize
304KB