Analysis
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max time kernel
143s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
06-05-2024 20:58
Static task
static1
Behavioral task
behavioral1
Sample
1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe
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Size
327KB
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MD5
1412042a6ccbe5ee52ec7c74817c5cc0
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SHA1
5bddb6875ba766cdd1555822fdaa236077e458b9
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SHA256
c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830
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SHA512
1f0f97c6ffe3871a654e7980d83c56df352e8f1108ca70d22e4191ab9bc1f70b70ba3ec20e7e8ac21dbf8c914dfaa4bb29a95bf6f87572e301f541379899847f
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SSDEEP
6144:2nPcZx74kpV067AWfRT0lX/ao/FP7b/a:2nPq74kpVr3fRT4vhb/a
Malware Config
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 2 IoCs
Processes:
explorer.exeexplorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe 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 1412 -
Executes dropped EXE 1 IoCs
Processes:
hregdthpid process 2788 hregdth -
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:
hregdth1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hregdth Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hregdth Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hregdth -
Modifies registry class 10 IoCs
Processes:
explorer.exeexplorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell 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 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 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\MRUListEx = ffffffff explorer.exe 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exepid process 2312 1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe 2312 1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 1412 -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
explorer.exeexplorer.exepid process 1620 explorer.exe 1492 explorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exehregdthpid process 2312 1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe 2788 hregdth -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
explorer.exeAUDIODG.EXEexplorer.exedescription pid process Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: 33 2716 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2716 AUDIODG.EXE Token: 33 2716 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2716 AUDIODG.EXE Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1620 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe Token: SeShutdownPrivilege 1492 explorer.exe -
Suspicious use of FindShellTrayWindow 57 IoCs
Processes:
explorer.exeexplorer.exepid process 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe -
Suspicious use of SendNotifyMessage 41 IoCs
Processes:
explorer.exeexplorer.exepid process 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1620 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe 1492 explorer.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
cmd.execmd.exetaskeng.exedescription pid process target process PID 1412 wrote to memory of 2628 1412 cmd.exe PID 1412 wrote to memory of 2628 1412 cmd.exe PID 1412 wrote to memory of 2628 1412 cmd.exe PID 2628 wrote to memory of 2612 2628 cmd.exe reg.exe PID 2628 wrote to memory of 2612 2628 cmd.exe reg.exe PID 2628 wrote to memory of 2612 2628 cmd.exe reg.exe PID 1412 wrote to memory of 2396 1412 cmd.exe PID 1412 wrote to memory of 2396 1412 cmd.exe PID 1412 wrote to memory of 2396 1412 cmd.exe PID 2396 wrote to memory of 2208 2396 cmd.exe reg.exe PID 2396 wrote to memory of 2208 2396 cmd.exe reg.exe PID 2396 wrote to memory of 2208 2396 cmd.exe reg.exe PID 1504 wrote to memory of 2788 1504 taskeng.exe hregdth PID 1504 wrote to memory of 2788 1504 taskeng.exe hregdth PID 1504 wrote to memory of 2788 1504 taskeng.exe hregdth PID 1504 wrote to memory of 2788 1504 taskeng.exe hregdth -
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\1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.exe"C:\Users\Admin\AppData\Local\Temp\1412042a6ccbe5ee52ec7c74817c5cc0_NEAS.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\DC2C.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\733.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 0x4741⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\taskeng.exetaskeng.exe {7A1F1513-E309-4A8A-9582-5183AB488FD8} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\hregdthC:\Users\Admin\AppData\Roaming\hregdth2⤵
- 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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\DC2C.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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C:\Users\Admin\AppData\Roaming\hregdthFilesize
327KB
MD51412042a6ccbe5ee52ec7c74817c5cc0
SHA15bddb6875ba766cdd1555822fdaa236077e458b9
SHA256c5f161d1f09521ff8fad1700cfb59d01122f544a2aca8145ebb031fc900f9830
SHA5121f0f97c6ffe3871a654e7980d83c56df352e8f1108ca70d22e4191ab9bc1f70b70ba3ec20e7e8ac21dbf8c914dfaa4bb29a95bf6f87572e301f541379899847f
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memory/1412-3-0x0000000002580000-0x0000000002596000-memory.dmpFilesize
88KB
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memory/1412-32-0x00000000021F0000-0x00000000021F1000-memory.dmpFilesize
4KB
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memory/1620-36-0x0000000004610000-0x0000000004626000-memory.dmpFilesize
88KB
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memory/2312-1-0x0000000000400000-0x0000000001A1B000-memory.dmpFilesize
22.1MB
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memory/2312-2-0x0000000000400000-0x0000000001A1B000-memory.dmpFilesize
22.1MB
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memory/2312-7-0x0000000000400000-0x0000000001A1B000-memory.dmpFilesize
22.1MB
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memory/2788-37-0x0000000000400000-0x0000000001A1B000-memory.dmpFilesize
22.1MB