Analysis
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max time kernel
284s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
05-05-2024 22:29
Static task
static1
Behavioral task
behavioral1
Sample
3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe
Resource
win10-20240404-en
General
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Target
3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe
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Size
272KB
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MD5
a9c28724b16c3bb3af2fdb5aa9be277c
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SHA1
bef9c7b857d0bc6c0d90204765704ca411a60e6d
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SHA256
3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7
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SHA512
6966dd9ae3c17c83db07ffaf69d035a89d82a315dd92d7465192e0fc14c7e750b1fb2163c662a926b103e516fffdb345112353f054cad079aab96a1b17a4bc3f
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SSDEEP
6144:Dw7X5rSoVVk3NqPNPhZ0Q4KROPnEJRYiyP:D0xSoVyNqPNIXGRe
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2022
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
Processes:
pid process 1372 -
Executes dropped EXE 1 IoCs
Processes:
divvgsfpid process 1576 divvgsf -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exedivvgsfdescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI divvgsf Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI divvgsf Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI divvgsf -
Modifies registry class 5 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exepid process 2200 3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe 2200 3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 1776 explorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exedivvgsfpid process 2200 3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe 1576 divvgsf -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
explorer.exedescription pid process Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe Token: SeShutdownPrivilege 1776 explorer.exe -
Suspicious use of FindShellTrayWindow 32 IoCs
Processes:
explorer.exepid process 1372 1372 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe -
Suspicious use of SendNotifyMessage 25 IoCs
Processes:
explorer.exepid process 1372 1372 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe 1776 explorer.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
cmd.execmd.exetaskeng.exedescription pid process target process PID 1372 wrote to memory of 2644 1372 cmd.exe PID 1372 wrote to memory of 2644 1372 cmd.exe PID 1372 wrote to memory of 2644 1372 cmd.exe PID 2644 wrote to memory of 2716 2644 cmd.exe reg.exe PID 2644 wrote to memory of 2716 2644 cmd.exe reg.exe PID 2644 wrote to memory of 2716 2644 cmd.exe reg.exe PID 1372 wrote to memory of 2728 1372 cmd.exe PID 1372 wrote to memory of 2728 1372 cmd.exe PID 1372 wrote to memory of 2728 1372 cmd.exe PID 2728 wrote to memory of 2488 2728 cmd.exe reg.exe PID 2728 wrote to memory of 2488 2728 cmd.exe reg.exe PID 2728 wrote to memory of 2488 2728 cmd.exe reg.exe PID 1828 wrote to memory of 1576 1828 taskeng.exe divvgsf PID 1828 wrote to memory of 1576 1828 taskeng.exe divvgsf PID 1828 wrote to memory of 1576 1828 taskeng.exe divvgsf PID 1828 wrote to memory of 1576 1828 taskeng.exe divvgsf -
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.
Processes
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C:\Users\Admin\AppData\Local\Temp\3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe"C:\Users\Admin\AppData\Local\Temp\3500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\5928.bat" "1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\6E7D.bat" "1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵
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C:\Windows\system32\taskeng.exetaskeng.exe {27774DDD-3A68-4BB1-B80E-2760411ED549} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\divvgsfC:\Users\Admin\AppData\Roaming\divvgsf2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\5928.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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C:\Users\Admin\AppData\Roaming\divvgsfFilesize
272KB
MD5a9c28724b16c3bb3af2fdb5aa9be277c
SHA1bef9c7b857d0bc6c0d90204765704ca411a60e6d
SHA2563500071769305b1d5753ccbdcb16bcd2ab047ae7994741e4628f68feb939e9b7
SHA5126966dd9ae3c17c83db07ffaf69d035a89d82a315dd92d7465192e0fc14c7e750b1fb2163c662a926b103e516fffdb345112353f054cad079aab96a1b17a4bc3f
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memory/1372-4-0x0000000002970000-0x0000000002986000-memory.dmpFilesize
88KB
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memory/1372-48-0x0000000003D50000-0x0000000003D66000-memory.dmpFilesize
88KB
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memory/1372-58-0x0000000002180000-0x0000000002181000-memory.dmpFilesize
4KB
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memory/1576-47-0x0000000000400000-0x0000000001A0F000-memory.dmpFilesize
22.1MB
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memory/1576-49-0x0000000000400000-0x0000000001A0F000-memory.dmpFilesize
22.1MB
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memory/1776-62-0x0000000002A40000-0x0000000002A50000-memory.dmpFilesize
64KB
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memory/2200-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2200-8-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2200-5-0x0000000000400000-0x0000000001A0F000-memory.dmpFilesize
22.1MB
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memory/2200-1-0x0000000001AE0000-0x0000000001BE0000-memory.dmpFilesize
1024KB
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memory/2200-2-0x0000000000220000-0x000000000022B000-memory.dmpFilesize
44KB