Analysis
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max time kernel
120s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
17-04-2024 13:08
Static task
static1
Behavioral task
behavioral1
Sample
abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe
Resource
win10v2004-20240226-en
General
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Target
abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe
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Size
313KB
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MD5
49c1a7094df766b5e5868811f298b529
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SHA1
c48fc045b5ee06e02d558f3c3551a463199725b9
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SHA256
abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976
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SHA512
c34cf47f715fffb4c4b9ec4ba587ea0c455d3baf7192408114b9f7260dbb1ee6b28c794157cfdd12c6048e99e9140220d77232bd9355cb96db7df9e566ba9490
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SSDEEP
3072:9gw3B7c4wkQMR+BYYeEX+qP4XTkedBoRv0XgGlf+N9XF6kVQvVYKAG:zxd/RmFMkeAv0ltKXF6k2NvJ
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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
Processes:
pid process 1200 -
Executes dropped EXE 1 IoCs
Processes:
7D8A.exepid process 1428 7D8A.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\7D8A.exe vmprotect behavioral1/memory/1428-38-0x0000000000E20000-0x000000000170E000-memory.dmp vmprotect behavioral1/memory/1428-42-0x0000000000E20000-0x000000000170E000-memory.dmp vmprotect behavioral1/memory/1428-46-0x0000000000E20000-0x000000000170E000-memory.dmp vmprotect -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Drops file in Windows directory 1 IoCs
Processes:
explorer.exedescription ioc process File opened for modification \??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico explorer.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe -
Modifies registry class 5 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exepid process 1556 abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe 1556 abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 1200 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 2860 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exepid process 1556 abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
explorer.exedescription pid process Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe -
Suspicious use of FindShellTrayWindow 29 IoCs
Processes:
explorer.exepid process 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe -
Suspicious use of SendNotifyMessage 23 IoCs
Processes:
explorer.exepid process 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
cmd.execmd.exedescription pid process target process PID 1200 wrote to memory of 1808 1200 cmd.exe PID 1200 wrote to memory of 1808 1200 cmd.exe PID 1200 wrote to memory of 1808 1200 cmd.exe PID 1808 wrote to memory of 2488 1808 cmd.exe reg.exe PID 1808 wrote to memory of 2488 1808 cmd.exe reg.exe PID 1808 wrote to memory of 2488 1808 cmd.exe reg.exe PID 1200 wrote to memory of 1428 1200 7D8A.exe PID 1200 wrote to memory of 1428 1200 7D8A.exe PID 1200 wrote to memory of 1428 1200 7D8A.exe PID 1200 wrote to memory of 1428 1200 7D8A.exe PID 1200 wrote to memory of 2552 1200 cmd.exe PID 1200 wrote to memory of 2552 1200 cmd.exe PID 1200 wrote to memory of 2552 1200 cmd.exe PID 2552 wrote to memory of 2384 2552 cmd.exe reg.exe PID 2552 wrote to memory of 2384 2552 cmd.exe reg.exe PID 2552 wrote to memory of 2384 2552 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\abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe"C:\Users\Admin\AppData\Local\Temp\abc5152266564f883ab915f2a1eec762cd98920e5e315974c926632942e31976.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1556
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\1E4.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:2488
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C:\Users\Admin\AppData\Local\Temp\7D8A.exeC:\Users\Admin\AppData\Local\Temp\7D8A.exe1⤵
- Executes dropped EXE
PID:1428
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\81EE.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:2384
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2860
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\1E4.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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C:\Users\Admin\AppData\Local\Temp\7D8A.exeFilesize
5.5MB
MD53d03e50e7acc908a73cac1928347d0c7
SHA18c059a014a22d80ebbccdd2e3a3bc1e8933fd696
SHA256fd6158af16fde7ad1e8152d53991bedf566b38f54266f0f03c5c73560e486568
SHA5124bf7585d6feddffa6bf865335a9995f354afad3cd331172de194e0a9ac4431651ecc6a2b0aaeb3cb2d29bb95698d1de04fd0bed74ceff1c043151b1f4af8b266
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memory/1200-48-0x0000000001D90000-0x0000000001D91000-memory.dmpFilesize
4KB
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memory/1200-4-0x0000000002C60000-0x0000000002C76000-memory.dmpFilesize
88KB
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memory/1428-41-0x0000000000070000-0x0000000000071000-memory.dmpFilesize
4KB
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memory/1428-36-0x0000000000070000-0x0000000000071000-memory.dmpFilesize
4KB
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memory/1428-38-0x0000000000E20000-0x000000000170E000-memory.dmpFilesize
8.9MB
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memory/1428-39-0x0000000000070000-0x0000000000071000-memory.dmpFilesize
4KB
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memory/1428-42-0x0000000000E20000-0x000000000170E000-memory.dmpFilesize
8.9MB
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memory/1428-44-0x00000000770F0000-0x00000000770F1000-memory.dmpFilesize
4KB
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memory/1428-46-0x0000000000E20000-0x000000000170E000-memory.dmpFilesize
8.9MB
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memory/1556-5-0x0000000000400000-0x0000000002D4C000-memory.dmpFilesize
41.3MB
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memory/1556-3-0x0000000000400000-0x0000000002D4C000-memory.dmpFilesize
41.3MB
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memory/1556-1-0x0000000002E50000-0x0000000002F50000-memory.dmpFilesize
1024KB
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memory/1556-2-0x0000000000220000-0x000000000022B000-memory.dmpFilesize
44KB
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memory/2860-51-0x0000000004490000-0x0000000004491000-memory.dmpFilesize
4KB
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memory/2860-52-0x0000000004490000-0x0000000004491000-memory.dmpFilesize
4KB