Analysis
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max time kernel
246s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02-05-2024 22:29
Static task
static1
Behavioral task
behavioral1
Sample
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe
Resource
win10-20240404-en
General
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Target
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe
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Size
261KB
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MD5
d4a824b455f581031c959f4431977e94
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SHA1
85dd7d196e585c1c1d2d28ce4bbe4647da079588
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SHA256
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3
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SHA512
3e377db899365a4f48bbab1e97ccceaf6284551616ad8f1bf2af65478d28500ce4b1a1cd798968fc13934bf324e1aaecd5223a6a59cf035f4145bf3baf2ccb07
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SSDEEP
3072:jfiqHnFC8bq8sb+UAi21LiFOMQy5BJ6pLg1T/dO:jfiqHnFDg+xfpmJrt/w
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 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 1176 -
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:
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.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:
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exepid process 1784 f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe 1784 f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 1176 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 1260 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exepid process 1784 f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
Processes:
explorer.exeAUDIODG.EXEdescription pid process Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe Token: 33 936 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 936 AUDIODG.EXE Token: 33 936 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 936 AUDIODG.EXE Token: SeShutdownPrivilege 1260 explorer.exe Token: SeShutdownPrivilege 1260 explorer.exe -
Suspicious use of FindShellTrayWindow 30 IoCs
Processes:
explorer.exepid process 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe -
Suspicious use of SendNotifyMessage 19 IoCs
Processes:
explorer.exepid process 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe 1260 explorer.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
cmd.execmd.exedescription pid process target process PID 1176 wrote to memory of 2796 1176 cmd.exe PID 1176 wrote to memory of 2796 1176 cmd.exe PID 1176 wrote to memory of 2796 1176 cmd.exe PID 2796 wrote to memory of 2516 2796 cmd.exe reg.exe PID 2796 wrote to memory of 2516 2796 cmd.exe reg.exe PID 2796 wrote to memory of 2516 2796 cmd.exe reg.exe PID 1176 wrote to memory of 2896 1176 cmd.exe PID 1176 wrote to memory of 2896 1176 cmd.exe PID 1176 wrote to memory of 2896 1176 cmd.exe PID 2896 wrote to memory of 2568 2896 cmd.exe reg.exe PID 2896 wrote to memory of 2568 2896 cmd.exe reg.exe PID 2896 wrote to memory of 2568 2896 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\f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe"C:\Users\Admin\AppData\Local\Temp\f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.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\C2F1.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\D4FC.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 0x5981⤵
- 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\C2F1.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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memory/1176-3-0x0000000002200000-0x0000000002216000-memory.dmpFilesize
88KB
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memory/1176-31-0x00000000021E0000-0x00000000021E1000-memory.dmpFilesize
4KB
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memory/1260-35-0x0000000002190000-0x00000000021A0000-memory.dmpFilesize
64KB
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memory/1784-1-0x0000000000400000-0x0000000002AFF000-memory.dmpFilesize
39.0MB
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memory/1784-2-0x0000000000400000-0x0000000002AFF000-memory.dmpFilesize
39.0MB
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memory/1784-4-0x0000000000400000-0x0000000002AFF000-memory.dmpFilesize
39.0MB