Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
17-04-2024 14:28
Static task
static1
Behavioral task
behavioral1
Sample
ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe
Resource
win10v2004-20240412-en
General
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Target
ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe
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Size
174KB
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MD5
20d467f075750c049e83ec92d895e531
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SHA1
d1dfbb732c9b883acd7cba5b4db5690d504dc885
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SHA256
ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7
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SHA512
10f4bb6cfa937e041edb9e523ae52bf8abc51e13012dd805907b22eb0295a79c3bebe5302cf45fa01a366a354143603577bd259934395d208ae6266448e870a6
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SSDEEP
3072:OGFLyRU39oZ2XmegMW1mMj0jPWg34RxbA13:7LyRKoZ2XmJt1ijPebA
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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Downloads MZ/PE file
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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 1376 -
Executes dropped EXE 1 IoCs
Processes:
A268.exepid process 2472 A268.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\A268.exe vmprotect behavioral1/memory/2472-31-0x00000000001A0000-0x0000000000A8E000-memory.dmp vmprotect behavioral1/memory/2472-29-0x00000000001A0000-0x0000000000A8E000-memory.dmp vmprotect behavioral1/memory/2472-46-0x00000000001A0000-0x0000000000A8E000-memory.dmp vmprotect -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe -
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:
ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exepid process 2088 ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe 2088 ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 1376 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 2672 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exepid process 2088 ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
explorer.exedescription pid process Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe Token: SeShutdownPrivilege 2672 explorer.exe -
Suspicious use of FindShellTrayWindow 30 IoCs
Processes:
explorer.exepid process 1376 1376 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe -
Suspicious use of SendNotifyMessage 20 IoCs
Processes:
explorer.exepid process 1376 1376 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe 2672 explorer.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
cmd.execmd.exedescription pid process target process PID 1376 wrote to memory of 2636 1376 cmd.exe PID 1376 wrote to memory of 2636 1376 cmd.exe PID 1376 wrote to memory of 2636 1376 cmd.exe PID 2636 wrote to memory of 2912 2636 cmd.exe reg.exe PID 2636 wrote to memory of 2912 2636 cmd.exe reg.exe PID 2636 wrote to memory of 2912 2636 cmd.exe reg.exe PID 1376 wrote to memory of 2472 1376 A268.exe PID 1376 wrote to memory of 2472 1376 A268.exe PID 1376 wrote to memory of 2472 1376 A268.exe PID 1376 wrote to memory of 2472 1376 A268.exe PID 1376 wrote to memory of 2872 1376 cmd.exe PID 1376 wrote to memory of 2872 1376 cmd.exe PID 1376 wrote to memory of 2872 1376 cmd.exe PID 2872 wrote to memory of 2032 2872 cmd.exe reg.exe PID 2872 wrote to memory of 2032 2872 cmd.exe reg.exe PID 2872 wrote to memory of 2032 2872 cmd.exe reg.exe -
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\ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.exe"C:\Users\Admin\AppData\Local\Temp\ad09e6469ff6f776f4dda5c3bfd3ef3bda8d3e66a0f3656c19a003428ee43db7.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\5CDF.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:\Users\Admin\AppData\Local\Temp\A268.exeC:\Users\Admin\AppData\Local\Temp\A268.exe1⤵
- Executes dropped EXE
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\A508.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\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\5CDF.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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C:\Users\Admin\AppData\Local\Temp\A268.exeFilesize
5.5MB
MD53d03e50e7acc908a73cac1928347d0c7
SHA18c059a014a22d80ebbccdd2e3a3bc1e8933fd696
SHA256fd6158af16fde7ad1e8152d53991bedf566b38f54266f0f03c5c73560e486568
SHA5124bf7585d6feddffa6bf865335a9995f354afad3cd331172de194e0a9ac4431651ecc6a2b0aaeb3cb2d29bb95698d1de04fd0bed74ceff1c043151b1f4af8b266
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memory/1376-4-0x0000000002A90000-0x0000000002AA6000-memory.dmpFilesize
88KB
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memory/1376-61-0x0000000002A60000-0x0000000002A61000-memory.dmpFilesize
4KB
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memory/2088-2-0x0000000000220000-0x000000000022B000-memory.dmpFilesize
44KB
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memory/2088-1-0x0000000002C00000-0x0000000002D00000-memory.dmpFilesize
1024KB
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memory/2088-3-0x0000000000400000-0x0000000002B04000-memory.dmpFilesize
39.0MB
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memory/2088-5-0x0000000000400000-0x0000000002B04000-memory.dmpFilesize
39.0MB
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memory/2472-30-0x0000000000120000-0x0000000000121000-memory.dmpFilesize
4KB
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memory/2472-31-0x00000000001A0000-0x0000000000A8E000-memory.dmpFilesize
8.9MB
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memory/2472-29-0x00000000001A0000-0x0000000000A8E000-memory.dmpFilesize
8.9MB
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memory/2472-33-0x0000000000120000-0x0000000000121000-memory.dmpFilesize
4KB
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memory/2472-35-0x0000000077B70000-0x0000000077B71000-memory.dmpFilesize
4KB
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memory/2472-46-0x00000000001A0000-0x0000000000A8E000-memory.dmpFilesize
8.9MB
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memory/2472-27-0x0000000000120000-0x0000000000121000-memory.dmpFilesize
4KB
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memory/2672-65-0x00000000044B0000-0x00000000044B1000-memory.dmpFilesize
4KB
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memory/2672-66-0x00000000044B0000-0x00000000044B1000-memory.dmpFilesize
4KB