Analysis
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max time kernel
285s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-05-2024 22:48
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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
Processes:
pid process 1088 -
Executes dropped EXE 1 IoCs
Processes:
resrgtepid process 2220 resrgte -
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:
resrgtef9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI resrgte Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI resrgte Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe 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 resrgte -
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:
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exepid process 2144 f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe 2144 f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 1088 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 864 explorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exeresrgtepid process 2144 f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3.exe 2220 resrgte -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
explorer.exedescription pid process Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe Token: SeShutdownPrivilege 864 explorer.exe -
Suspicious use of FindShellTrayWindow 32 IoCs
Processes:
explorer.exepid process 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe -
Suspicious use of SendNotifyMessage 25 IoCs
Processes:
explorer.exepid process 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe 864 explorer.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
cmd.execmd.exetaskeng.exedescription pid process target process PID 1088 wrote to memory of 2724 1088 cmd.exe PID 1088 wrote to memory of 2724 1088 cmd.exe PID 1088 wrote to memory of 2724 1088 cmd.exe PID 2724 wrote to memory of 2444 2724 cmd.exe reg.exe PID 2724 wrote to memory of 2444 2724 cmd.exe reg.exe PID 2724 wrote to memory of 2444 2724 cmd.exe reg.exe PID 1088 wrote to memory of 2716 1088 cmd.exe PID 1088 wrote to memory of 2716 1088 cmd.exe PID 1088 wrote to memory of 2716 1088 cmd.exe PID 2716 wrote to memory of 2424 2716 cmd.exe reg.exe PID 2716 wrote to memory of 2424 2716 cmd.exe reg.exe PID 2716 wrote to memory of 2424 2716 cmd.exe reg.exe PID 1532 wrote to memory of 2220 1532 taskeng.exe resrgte PID 1532 wrote to memory of 2220 1532 taskeng.exe resrgte PID 1532 wrote to memory of 2220 1532 taskeng.exe resrgte PID 1532 wrote to memory of 2220 1532 taskeng.exe resrgte -
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
PID:2144
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\6DA1.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:2444
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\81ED.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:2424
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C:\Windows\system32\taskeng.exetaskeng.exe {9174D674-6B39-417C-B4ED-23CB40C01287} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Users\Admin\AppData\Roaming\resrgteC:\Users\Admin\AppData\Roaming\resrgte2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2220
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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
PID:864
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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Filesize
261KB
MD5d4a824b455f581031c959f4431977e94
SHA185dd7d196e585c1c1d2d28ce4bbe4647da079588
SHA256f9be6fbe073f8e75344c62adff1a729494acafa18ea7c778cd0b3177a77de0f3
SHA5123e377db899365a4f48bbab1e97ccceaf6284551616ad8f1bf2af65478d28500ce4b1a1cd798968fc13934bf324e1aaecd5223a6a59cf035f4145bf3baf2ccb07