Analysis
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max time kernel
297s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29-04-2024 04:54
Static task
static1
Behavioral task
behavioral1
Sample
3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe
Resource
win10-20240404-en
General
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Target
3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe
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Size
263KB
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MD5
f572d2cf74a7897bebb459dc08a45411
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SHA1
9a6bc0b9670cf1e5ea21876c1a71bafdec32017f
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SHA256
3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37
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SHA512
d75df9d31d36776841854c3708727219380cd8731d0669fd18be634047b7526299bd5e5fa561385e7dce458edee417f08ed779b3a590dc9a71450f6ef3557a33
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SSDEEP
3072:Y2e/zGhApVVIbW+UHPiXQGDL5mc4IRKU1uhIrueTi21TE7idvqjfyJ+dELqPtPe:OzCbWeQmLomRTVxT4O87dEL4t
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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
Processes:
pid process 1068 -
Executes dropped EXE 3 IoCs
Processes:
934C.exe98D9.exerteatuapid process 1740 934C.exe 1244 98D9.exe 2192 rteatua -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
934C.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 934C.exe -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
rteatua3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exedescription ioc process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI rteatua Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI rteatua Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI rteatua -
Modifies registry class 5 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exepid process 2924 3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe 2924 3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 1068 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 1248 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exepid process 2924 3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
explorer.exedescription pid process Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe Token: SeShutdownPrivilege 1248 explorer.exe -
Suspicious use of FindShellTrayWindow 32 IoCs
Processes:
explorer.exepid process 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe -
Suspicious use of SendNotifyMessage 25 IoCs
Processes:
explorer.exepid process 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe 1248 explorer.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
cmd.execmd.exetaskeng.exedescription pid process target process PID 1068 wrote to memory of 2508 1068 cmd.exe PID 1068 wrote to memory of 2508 1068 cmd.exe PID 1068 wrote to memory of 2508 1068 cmd.exe PID 2508 wrote to memory of 2744 2508 cmd.exe reg.exe PID 2508 wrote to memory of 2744 2508 cmd.exe reg.exe PID 2508 wrote to memory of 2744 2508 cmd.exe reg.exe PID 1068 wrote to memory of 2420 1068 cmd.exe PID 1068 wrote to memory of 2420 1068 cmd.exe PID 1068 wrote to memory of 2420 1068 cmd.exe PID 2420 wrote to memory of 2552 2420 cmd.exe reg.exe PID 2420 wrote to memory of 2552 2420 cmd.exe reg.exe PID 2420 wrote to memory of 2552 2420 cmd.exe reg.exe PID 1068 wrote to memory of 1740 1068 934C.exe PID 1068 wrote to memory of 1740 1068 934C.exe PID 1068 wrote to memory of 1740 1068 934C.exe PID 1068 wrote to memory of 1740 1068 934C.exe PID 1068 wrote to memory of 1244 1068 98D9.exe PID 1068 wrote to memory of 1244 1068 98D9.exe PID 1068 wrote to memory of 1244 1068 98D9.exe PID 1068 wrote to memory of 1244 1068 98D9.exe PID 2764 wrote to memory of 2192 2764 taskeng.exe rteatua PID 2764 wrote to memory of 2192 2764 taskeng.exe rteatua PID 2764 wrote to memory of 2192 2764 taskeng.exe rteatua PID 2764 wrote to memory of 2192 2764 taskeng.exe rteatua -
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\3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.exe"C:\Users\Admin\AppData\Local\Temp\3460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37.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\74F1.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\8509.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\934C.exeC:\Users\Admin\AppData\Local\Temp\934C.exe1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
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C:\Users\Admin\AppData\Local\Temp\98D9.exeC:\Users\Admin\AppData\Local\Temp\98D9.exe1⤵
- Executes dropped EXE
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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\taskeng.exetaskeng.exe {7A66522F-6B19-4EE7-9956-C520DE20FDAC} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\rteatuaC:\Users\Admin\AppData\Roaming\rteatua2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\74F1.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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C:\Users\Admin\AppData\Local\Temp\934C.exeFilesize
421KB
MD59185b776b7a981d060b0bb0d7ffed201
SHA1427982fb520c099e8d2e831ace18294ade871aff
SHA25691a45c416324ed3a8c184e349214e7c82d6df0df4fe6d06f3c7818c0d322373b
SHA512cb46ca0c3156dc7b177fdb73869e13b229cbab8918dbb4b61a854765313fc9526aa5d7b944aa4b9acb77717c5ffd8fe955ba4eb48d75e2528ec844bfcf4aa5e8
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C:\Users\Admin\AppData\Local\Temp\98D9.exeFilesize
390KB
MD56c21c8ef344979d8e474bd775ce3010d
SHA1bb8d15a1a43284becbc0417832e6fdf23bd90b8a
SHA25668d4c2cf8164fa47d18242ceff50fdc09a68a485703bd83388a32ffc84d67dd7
SHA512ca7cdcd9c78e5149d0b3299fcf4f9b94e062f4effb62ba6d952dd65c32d200bcdba2108c9898805543fa1e22f999ae71f818727a82426f85a983cd1148df0431
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C:\Users\Admin\AppData\Roaming\rteatuaFilesize
263KB
MD5f572d2cf74a7897bebb459dc08a45411
SHA19a6bc0b9670cf1e5ea21876c1a71bafdec32017f
SHA2563460da28a0587dedb4be574e4b26f25c807d42816562e2abdf61a34c1ac68b37
SHA512d75df9d31d36776841854c3708727219380cd8731d0669fd18be634047b7526299bd5e5fa561385e7dce458edee417f08ed779b3a590dc9a71450f6ef3557a33
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memory/1068-4-0x0000000002A90000-0x0000000002AA6000-memory.dmpFilesize
88KB
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memory/1068-44-0x0000000002A60000-0x0000000002A61000-memory.dmpFilesize
4KB
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memory/1244-40-0x0000000000400000-0x0000000001A2D000-memory.dmpFilesize
22.2MB
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memory/1248-48-0x0000000003C20000-0x0000000003C30000-memory.dmpFilesize
64KB
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memory/2924-2-0x00000000001B0000-0x00000000001BB000-memory.dmpFilesize
44KB
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memory/2924-1-0x0000000000270000-0x0000000000370000-memory.dmpFilesize
1024KB
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memory/2924-3-0x0000000000400000-0x0000000004033000-memory.dmpFilesize
60.2MB
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memory/2924-5-0x0000000000400000-0x0000000004033000-memory.dmpFilesize
60.2MB