Analysis
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max time kernel
131s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-05-2024 13:30
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20240426-en
General
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Target
file.exe
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Size
219KB
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MD5
503e59094f106fd25a0a6193d7556cdc
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SHA1
f255f91c7d8fc94e4ec265b9ae5d2752c66b8fa2
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SHA256
71480fc81a1e0eb85d94e08b31fa257204200371c01fbc3cbf7c45a622e66da3
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SHA512
99d73876925ad80afbdecb675b911a4043e146fa4a5370444467cf3532d228d702131c4e0d57be897e08adb42b20a4e8d3069274a14a4c2ae1035e0ef54c80fa
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SSDEEP
3072:Wu5cM9Mh1cHctcQI041+TBhLyRd5rZmSUZ1ivIRFC2sx++cQN/pLpay:CM9bscR00+85rZfUDivIzy+BCh
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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
Processes:
pid process 1200 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
file.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.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 explorer.exe 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
file.exepid process 2020 file.exe 2020 file.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 292 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 2020 file.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
Processes:
explorer.exeAUDIODG.EXEdescription pid process Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe Token: 33 2364 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2364 AUDIODG.EXE Token: 33 2364 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2364 AUDIODG.EXE Token: SeShutdownPrivilege 292 explorer.exe Token: SeShutdownPrivilege 292 explorer.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
Processes:
explorer.exepid process 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe -
Suspicious use of SendNotifyMessage 22 IoCs
Processes:
explorer.exepid process 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe 292 explorer.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
cmd.execmd.exedescription pid process target process PID 1200 wrote to memory of 2556 1200 cmd.exe PID 1200 wrote to memory of 2556 1200 cmd.exe PID 1200 wrote to memory of 2556 1200 cmd.exe PID 2556 wrote to memory of 2932 2556 cmd.exe reg.exe PID 2556 wrote to memory of 2932 2556 cmd.exe reg.exe PID 2556 wrote to memory of 2932 2556 cmd.exe reg.exe PID 1200 wrote to memory of 2500 1200 cmd.exe PID 1200 wrote to memory of 2500 1200 cmd.exe PID 1200 wrote to memory of 2500 1200 cmd.exe PID 2500 wrote to memory of 2736 2500 cmd.exe reg.exe PID 2500 wrote to memory of 2736 2500 cmd.exe reg.exe PID 2500 wrote to memory of 2736 2500 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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\E3E9.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\FE2E.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
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5a41⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\E3E9.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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memory/1200-4-0x0000000002B70000-0x0000000002B86000-memory.dmpFilesize
88KB
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memory/1200-33-0x0000000002230000-0x0000000002231000-memory.dmpFilesize
4KB
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memory/2020-1-0x0000000002E60000-0x0000000002F60000-memory.dmpFilesize
1024KB
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memory/2020-2-0x0000000000220000-0x000000000022B000-memory.dmpFilesize
44KB
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memory/2020-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2020-9-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/2020-8-0x0000000000220000-0x000000000022B000-memory.dmpFilesize
44KB
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memory/2020-5-0x0000000000400000-0x0000000002C96000-memory.dmpFilesize
40.6MB