Analysis
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max time kernel
153s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
19-10-2023 20:44
General
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Target
NEAS.fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623dexe_JC.exe
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Size
285KB
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MD5
4db1b428d0e115a810836f937d786f38
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SHA1
35e8722f5bf1997d6022fa512f60458470a8999e
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SHA256
fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623d
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SHA512
091491e4cb375eceadcff843cef080815b1f802e0182d260d750f7afc8197eb09461ed9b119b04eff0839c627d2630bfb1e9409de0da12086e2d15bb12565109
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SSDEEP
6144:mlVD0j3qci00ei4m4d3hJkuRi7g9BOu6xb4YnDy:X2cibT4d3hJLUWwu6F4YW
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 (204) 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 38 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.fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623dexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623dexe_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.fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623dexe_JC.exeC:\Users\Admin\AppData\Local\Temp\NEAS.fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623dexe_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.fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623dexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623dexe_JC.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\NEAS.fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623dexe_JC.exeC:\Users\Admin\AppData\Local\Temp\NEAS.fd59543a425d2159dfadba8efd4d40178b609ef123a8bc5cf00fe3afef95623dexe_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 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
MD539b13d71ef750a0defe95c7b99569647
SHA11fa82ce233bc45c3317a6cdeca3f078097d5e6b3
SHA25652162826ed4e634cdfa8554c0c0dff974324a4f26008c1212cba25f19221fa24
SHA512e3e367b52a0b87819483253c6b73ac20a8cfac851b623256e82fcf2902d1463e30a003368e02a9b27c3ed9575b1c5ea9932a5d09f76d05cb217fd4242348ec83
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Filesize
927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
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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
5.6MB
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Filesize
312KB
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Filesize
304KB
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Filesize
7.7MB
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Filesize
208KB
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Filesize
280KB
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Filesize
7.7MB
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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
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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
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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
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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
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB
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Filesize
76KB