Analysis
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max time kernel
152s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
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submitted
14-10-2023 04:07
General
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Target
2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exe
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Size
382KB
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MD5
7e8b8c909f96c4058a7e8f7acd171a78
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SHA1
a0f2cc3a7fcb60f7389ee4555dbddc2ad5822c7e
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SHA256
2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324
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SHA512
5959a1b5e03f4b6d7ce837fab5bdce52ef8073666a4445e7d49904e252cf9d9233355bbd54eefd449528070de43d0f64b47bbef8160e2fee4a0dda292520c922
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SSDEEP
6144:MemFwi7Aaj8cDtp5adXbu7FK6jT92wiGgYP91k0dMENe2RurYEhM9+:Mnwi7RDtja5qN2PRYk0d/VRl
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 (128) 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) 11 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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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 49 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\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exe"C:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.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\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exeC:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exeC:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exeC:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exeC:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exeC:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_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\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exe"C:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_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\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_JC.exeC:\Users\Admin\AppData\Local\Temp\2a50a42d3c44e6e3890a53228cb84f6fdb17e38b31422c68b8634a06d36cc324_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\wbadmin.exewbadmin delete catalog -quiet4⤵
- Deletes backup catalog
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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\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⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
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
189.5MB
MD51d02bfcb2a0ce8643c2e32046b514e59
SHA1501377005a8b15597e592617862f0102259eb259
SHA256fb43d1ecc122c737f0d47239813fba6a4b8cf9aa4309b503156a58efb7abfd11
SHA512183b85c2e779012c50a213b575b9a12e94e75d5cc975e90a9b78790ce254b3195cbacc012821e867a8ebebc2b30e8f16d4b393dc9b22d1f635627aed682debd6
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Filesize
6.9MB
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Filesize
408KB
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Filesize
256KB
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Filesize
280KB
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Filesize
280KB
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Filesize
208KB
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Filesize
304KB
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Filesize
6.9MB
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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
4KB
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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
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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
36KB
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Filesize
4KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
408KB
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Filesize
6.9MB