Analysis
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max time kernel
145s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
20-09-2023 16:55
General
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Target
4a94bfa09b99674b406eefa0fc0f8c5e.exe
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Size
508KB
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MD5
4a94bfa09b99674b406eefa0fc0f8c5e
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SHA1
583055372661a2a359586a3fc2cdbaecc951659c
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SHA256
fab5850b79de211ba1d789f80a4684657b3a79c849d46761decb2de95931162b
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SHA512
6463035915777cb01b89863eaee6ffe14ea211ac3640f1a6c8bc78f2d2b3692fdee3ff427cd4e5dad6591900f62b6eeba80abe434ff23d2402f2f401fe5e0dec
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SSDEEP
12288:EndeNz+MiYZmsSOgetN5ONjUrhGkOjkLtxOqaF5:EnYNzECS4N5ONjUdGR6POHf
Malware Config
Extracted
smokeloader
2022
http://servermlogs27.xyz/statweb255/
http://servmblog45.xyz/statweb255/
http://demblog575.xyz/statweb255/
http://admlogs85x.xyz/statweb255/
http://blogmstat389.xyz/statweb255/
http://blogmstat255.xyz/statweb255/
Signatures
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Ammyy Admin
Remote admin tool with various capabilities.
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AmmyyAdmin payload 2 IoCs
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Detect rhadamanthys stealer shellcode 7 IoCs
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Phobos
Phobos ransomware appeared at the beginning of 2019.
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
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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 (371) 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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Executes dropped EXE 9 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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Accesses Microsoft Outlook profiles 1 TTPs 9 IoCs
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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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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of SetThreadContext 4 IoCs
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Drops file in Program Files directory 64 IoCs
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Checks SCSI registry key(s) 3 TTPs 7 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor 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 behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 33 IoCs
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Suspicious use of AdjustPrivilegeToken 61 IoCs
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of UnmapMainImage 1 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.
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\4a94bfa09b99674b406eefa0fc0f8c5e.exe"C:\Users\Admin\AppData\Local\Temp\4a94bfa09b99674b406eefa0fc0f8c5e.exe"2⤵
- 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\4a94bfa09b99674b406eefa0fc0f8c5e.exeC:\Users\Admin\AppData\Local\Temp\4a94bfa09b99674b406eefa0fc0f8c5e.exe3⤵
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C:\Users\Admin\AppData\Local\Temp\4a94bfa09b99674b406eefa0fc0f8c5e.exeC:\Users\Admin\AppData\Local\Temp\4a94bfa09b99674b406eefa0fc0f8c5e.exe3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\certreq.exe"C:\Windows\system32\certreq.exe"2⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
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C:\Windows\explorer.exeC:\Windows\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe2⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\5CB8.tmp\svchost.exeC:\Users\Admin\AppData\Local\Temp\5CB8.tmp\svchost.exe -debug3⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of FindShellTrayWindow
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C:\Users\Admin\AppData\Local\Microsoft\0{Q.exe"C:\Users\Admin\AppData\Local\Microsoft\0{Q.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Microsoft\0{Q.exeC:\Users\Admin\AppData\Local\Microsoft\0{Q.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Microsoft\0{Q.exeC:\Users\Admin\AppData\Local\Microsoft\0{Q.exe2⤵
- Drops startup file
- Executes dropped EXE
- 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\Microsoft\0{Q.exe"C:\Users\Admin\AppData\Local\Microsoft\0{Q.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Microsoft\0{Q.exeC:\Users\Admin\AppData\Local\Microsoft\0{Q.exe4⤵
- Executes dropped EXE
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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:\Users\Admin\AppData\Local\Microsoft\0{Q.exeC:\Users\Admin\AppData\Local\Microsoft\0{Q.exe2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Microsoft\JD79{Pfg.exe"C:\Users\Admin\AppData\Local\Microsoft\JD79{Pfg.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Microsoft\JD79{Pfg.exeC:\Users\Admin\AppData\Local\Microsoft\JD79{Pfg.exe2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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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
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Indicator Removal
3File Deletion
3Modify Registry
1Pre-OS Boot
1Bootkit
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.2MB
MD504e0fd3be5a94692af69db17cc0bb167
SHA15c18577e0593ae433f0d64082f1d315554be1b57
SHA2563451389e93ee2fd4e6edc3f855256c8b8944f5d4dc1c1c03abe17cc5c360fa6f
SHA5127cadb0d30d2ba7ec78d53e16e820aae038d4b81fb3361192907e2e6ec5a1efbdbfab2d09c37e0ebdfeb7a1173ceb0c32ff0b5d8dca0a4a595f05031a0b00c9d9
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Filesize
307KB
MD56ed7b74cc62ec5c085f97373348d5bc0
SHA1279b8f4f87be08afa2debe4b1c11a4b0738eefcf
SHA2562a270618cf65fcfb6476269b7c7bdbae84552d15a3da3e8907425e20ace4548a
SHA512417975b9ea6ed0fb9971e1ac4338cf9b2929ba0800345f7bc51207bb4addb90a55bf81819c129061c54dfdb29d14a6603955c81e46b6831a1cc9666ce5b239a8
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Filesize
307KB
MD56ed7b74cc62ec5c085f97373348d5bc0
SHA1279b8f4f87be08afa2debe4b1c11a4b0738eefcf
SHA2562a270618cf65fcfb6476269b7c7bdbae84552d15a3da3e8907425e20ace4548a
SHA512417975b9ea6ed0fb9971e1ac4338cf9b2929ba0800345f7bc51207bb4addb90a55bf81819c129061c54dfdb29d14a6603955c81e46b6831a1cc9666ce5b239a8
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Filesize
307KB
MD56ed7b74cc62ec5c085f97373348d5bc0
SHA1279b8f4f87be08afa2debe4b1c11a4b0738eefcf
SHA2562a270618cf65fcfb6476269b7c7bdbae84552d15a3da3e8907425e20ace4548a
SHA512417975b9ea6ed0fb9971e1ac4338cf9b2929ba0800345f7bc51207bb4addb90a55bf81819c129061c54dfdb29d14a6603955c81e46b6831a1cc9666ce5b239a8
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Filesize
307KB
MD56ed7b74cc62ec5c085f97373348d5bc0
SHA1279b8f4f87be08afa2debe4b1c11a4b0738eefcf
SHA2562a270618cf65fcfb6476269b7c7bdbae84552d15a3da3e8907425e20ace4548a
SHA512417975b9ea6ed0fb9971e1ac4338cf9b2929ba0800345f7bc51207bb4addb90a55bf81819c129061c54dfdb29d14a6603955c81e46b6831a1cc9666ce5b239a8
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Filesize
307KB
MD56ed7b74cc62ec5c085f97373348d5bc0
SHA1279b8f4f87be08afa2debe4b1c11a4b0738eefcf
SHA2562a270618cf65fcfb6476269b7c7bdbae84552d15a3da3e8907425e20ace4548a
SHA512417975b9ea6ed0fb9971e1ac4338cf9b2929ba0800345f7bc51207bb4addb90a55bf81819c129061c54dfdb29d14a6603955c81e46b6831a1cc9666ce5b239a8
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Filesize
307KB
MD56ed7b74cc62ec5c085f97373348d5bc0
SHA1279b8f4f87be08afa2debe4b1c11a4b0738eefcf
SHA2562a270618cf65fcfb6476269b7c7bdbae84552d15a3da3e8907425e20ace4548a
SHA512417975b9ea6ed0fb9971e1ac4338cf9b2929ba0800345f7bc51207bb4addb90a55bf81819c129061c54dfdb29d14a6603955c81e46b6831a1cc9666ce5b239a8
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Filesize
307KB
MD56ed7b74cc62ec5c085f97373348d5bc0
SHA1279b8f4f87be08afa2debe4b1c11a4b0738eefcf
SHA2562a270618cf65fcfb6476269b7c7bdbae84552d15a3da3e8907425e20ace4548a
SHA512417975b9ea6ed0fb9971e1ac4338cf9b2929ba0800345f7bc51207bb4addb90a55bf81819c129061c54dfdb29d14a6603955c81e46b6831a1cc9666ce5b239a8
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Filesize
927B
MD54a911455784f74e368a4c2c7876d76f4
SHA1a1700a0849ffb4f26671eb76da2489946b821c34
SHA256264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
SHA5124617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d
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Filesize
296KB
MD5a4d5cb9bca2d05b1dee2faff0eddae20
SHA18d8dade29177d6c5b69b9f4afe6cb0527ac1cf81
SHA256de12fc947954ab72028cdac54b5455daf449fa27c975d9e431ad87ed4c413a79
SHA512b0cd3a6589d6f726b99a0796d99a923ee1fc0f2504374af363706857b48c4d926023aa762fd299b7a566c75369f736297b8caad499ad599ad0d2f464ce9002a6
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Filesize
296KB
MD5a4d5cb9bca2d05b1dee2faff0eddae20
SHA18d8dade29177d6c5b69b9f4afe6cb0527ac1cf81
SHA256de12fc947954ab72028cdac54b5455daf449fa27c975d9e431ad87ed4c413a79
SHA512b0cd3a6589d6f726b99a0796d99a923ee1fc0f2504374af363706857b48c4d926023aa762fd299b7a566c75369f736297b8caad499ad599ad0d2f464ce9002a6
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Filesize
296KB
MD5a4d5cb9bca2d05b1dee2faff0eddae20
SHA18d8dade29177d6c5b69b9f4afe6cb0527ac1cf81
SHA256de12fc947954ab72028cdac54b5455daf449fa27c975d9e431ad87ed4c413a79
SHA512b0cd3a6589d6f726b99a0796d99a923ee1fc0f2504374af363706857b48c4d926023aa762fd299b7a566c75369f736297b8caad499ad599ad0d2f464ce9002a6
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Filesize
798KB
MD590aadf2247149996ae443e2c82af3730
SHA1050b7eba825412b24e3f02d76d7da5ae97e10502
SHA256ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a
SHA512eec32bb82b230dd309c29712e72d4469250e651449e127479d178eddbafd5a46ec8048a753bc2c1a0fdf1dc3ed72a9453ca66fb49cbf0f95a12704e5427182be
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Filesize
798KB
MD590aadf2247149996ae443e2c82af3730
SHA1050b7eba825412b24e3f02d76d7da5ae97e10502
SHA256ee573647477339784dcef81024de1be1762833a20e5cc2b89a93e47d05b86b6a
SHA512eec32bb82b230dd309c29712e72d4469250e651449e127479d178eddbafd5a46ec8048a753bc2c1a0fdf1dc3ed72a9453ca66fb49cbf0f95a12704e5427182be
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Filesize
96KB
MD57af844df30961f764a6b4b3009e42f6f
SHA10fb80c83655d0feae652ff5d07e3c8a921e81c3c
SHA2565f6493bd94b3b5c3d03106ac632645cb66cc752e48cea1badeedbf2aa14f90a1
SHA5120c17a1c14cc665f71c8304c3960fe0efd6908b9c31b3c7e99b40e9cdb6218ece086b4d4ab346d8b4ed0f5802851597ffe79aa8907274e16a50d565575d02b210
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Filesize
2.0MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
28KB
-
Filesize
12KB
-
Filesize
2.0MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
12KB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
2.0MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
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
44KB
-
Filesize
44KB
-
Filesize
44KB
-
Filesize
280KB
-
Filesize
64KB
-
Filesize
208KB
-
Filesize
7.7MB
-
Filesize
336KB
-
Filesize
7.7MB
-
Filesize
76KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
88KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
28KB
-
Filesize
48KB
-
Filesize
48KB
-
Filesize
36KB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
5.6MB
-
Filesize
304KB
-
Filesize
416KB
-
Filesize
480KB
-
Filesize
536KB
-
Filesize
4.0MB
-
Filesize
460KB
-
Filesize
460KB
-
Filesize
4.0MB
-
Filesize
4.0MB
-
Filesize
4.0MB
-
Filesize
4.0MB
-
Filesize
216KB
-
Filesize
460KB
-
Filesize
4.0MB
-
Filesize
28KB
-
Filesize
460KB
-
Filesize
216KB
-
Filesize
4.0MB
-
Filesize
460KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
200KB
-
Filesize
7.7MB
-
Filesize
272KB
-
Filesize
320KB