Analysis
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max time kernel
152s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
13-10-2023 17:13
General
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Target
NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exe
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Size
549KB
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MD5
40a2a330dece024db63f275748eb3d7a
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SHA1
97508bbbff47aa06a381ff80428b8578d4daafb5
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SHA256
7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8
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SHA512
dcec48482463a960d47ea93b655dfec3ca88561fab3648b5ab8a8e7253a59d282c7cd4392daec9d3c95ebe9fb5265961705433c2374f6ffe2348123e586ed0a4
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SSDEEP
12288:yVthvdMSOXfbbOPFErVy0MRRp1o6tD5B:k3FMFXfXOPmRy0Wp1Ft
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 (378) 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 41 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\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exeC:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.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\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.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\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exeC:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exe4⤵
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C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exeC:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.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\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 Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id[EA9BE824-3483].[[email protected]].8baseFilesize
3.2MB
MD527c1ec158d7aef31ad25173920e23344
SHA1bb36ba98c408d36126e44a8ba1c56bfbf2e3c85a
SHA2568b205306a9eea5e92b9829950ea394e4d3e80ec61ae462d2b690fbe44ca9e0ba
SHA512d2484bbdb179c41fd3c4db0184042987e7a3e264c3ee28671a0814a73cd6e9342abfd813eed9817e83502998fe9fc67697cb3e3adc9b46d1aa0693a35dc193e2
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEAS.NEASNEAS7e18ff461e3fc159c9b6634c9250600ea4c62da604885697c95d9bac794109b8exeexeexe_JC.exe.logFilesize
927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
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memory/1788-34-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-216-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-1794-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-66-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-1773-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-7-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-10-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-922-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-412-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-287-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-184-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-255-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-230-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-219-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-117-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-31-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-33-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-36-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-11-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-1786-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-185-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-89-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-44-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-40-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/1788-136-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
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memory/4404-15-0x0000000074EE0000-0x0000000075690000-memory.dmpFilesize
7.7MB
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memory/4404-19-0x0000000074EE0000-0x0000000075690000-memory.dmpFilesize
7.7MB
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memory/4404-16-0x0000000002D70000-0x0000000002D80000-memory.dmpFilesize
64KB
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memory/4404-14-0x0000000005500000-0x0000000005546000-memory.dmpFilesize
280KB
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memory/4420-3-0x0000000004E20000-0x0000000004E30000-memory.dmpFilesize
64KB
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memory/4420-1-0x0000000074E40000-0x00000000755F0000-memory.dmpFilesize
7.7MB
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memory/4420-12-0x0000000074E40000-0x00000000755F0000-memory.dmpFilesize
7.7MB
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memory/4420-0-0x0000000000460000-0x00000000004F0000-memory.dmpFilesize
576KB
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memory/4420-2-0x0000000004DE0000-0x0000000004E26000-memory.dmpFilesize
280KB
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memory/4420-6-0x0000000005570000-0x0000000005B14000-memory.dmpFilesize
5.6MB
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memory/4420-5-0x0000000004F00000-0x0000000004F4C000-memory.dmpFilesize
304KB
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memory/4420-4-0x0000000004EC0000-0x0000000004EF4000-memory.dmpFilesize
208KB
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memory/4596-21-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB