Analysis
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max time kernel
119s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
17-04-2024 13:16
Static task
static1
Behavioral task
behavioral1
Sample
2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe
Resource
win10v2004-20240226-en
General
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Target
2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe
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Size
186KB
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MD5
0343235b3014134cd1f9c4f8f14bf327
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SHA1
7df22fd8a194031121a4e4eba53d98c1a7f55bb8
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SHA256
2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b
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SHA512
1cefcccde826acf72f57d4a66f2cc22132773259aad246778a1fad3f059ec978a0d83b65eb3b447793d76629e0e20b6c4320d28ba42cf5c8acd70b102e3a7571
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SSDEEP
3072:0vHATbTxwuWJy949xuZsG/t7GJ9JA4UJykW/JqZvoh:wYbTGuWC4HAVGJ98
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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
Processes:
pid process 1372 -
Executes dropped EXE 1 IoCs
Processes:
8DCF.exepid process 2488 8DCF.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\8DCF.exe vmprotect behavioral1/memory/2488-29-0x0000000000980000-0x000000000126E000-memory.dmp vmprotect behavioral1/memory/2488-31-0x0000000000980000-0x000000000126E000-memory.dmp vmprotect behavioral1/memory/2488-37-0x0000000000980000-0x000000000126E000-memory.dmp vmprotect -
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:
2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe -
Modifies registry class 5 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exepid process 836 2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe 836 2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 1372 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 1704 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exepid process 836 2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
explorer.exedescription pid process Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe Token: SeShutdownPrivilege 1704 explorer.exe -
Suspicious use of FindShellTrayWindow 30 IoCs
Processes:
explorer.exepid process 1372 1372 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe -
Suspicious use of SendNotifyMessage 24 IoCs
Processes:
explorer.exepid process 1372 1372 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe 1704 explorer.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
cmd.execmd.exedescription pid process target process PID 1372 wrote to memory of 2608 1372 cmd.exe PID 1372 wrote to memory of 2608 1372 cmd.exe PID 1372 wrote to memory of 2608 1372 cmd.exe PID 2608 wrote to memory of 2688 2608 cmd.exe reg.exe PID 2608 wrote to memory of 2688 2608 cmd.exe reg.exe PID 2608 wrote to memory of 2688 2608 cmd.exe reg.exe PID 1372 wrote to memory of 2488 1372 8DCF.exe PID 1372 wrote to memory of 2488 1372 8DCF.exe PID 1372 wrote to memory of 2488 1372 8DCF.exe PID 1372 wrote to memory of 2488 1372 8DCF.exe PID 1372 wrote to memory of 2536 1372 cmd.exe PID 1372 wrote to memory of 2536 1372 cmd.exe PID 1372 wrote to memory of 2536 1372 cmd.exe PID 2536 wrote to memory of 2220 2536 cmd.exe reg.exe PID 2536 wrote to memory of 2220 2536 cmd.exe reg.exe PID 2536 wrote to memory of 2220 2536 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\2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe"C:\Users\Admin\AppData\Local\Temp\2feee675a296f24476606968e2669d0efda3c14b2c56e8507bc22efbbb54ce6b.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:836
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\5BF5.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:2688
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C:\Users\Admin\AppData\Local\Temp\8DCF.exeC:\Users\Admin\AppData\Local\Temp\8DCF.exe1⤵
- Executes dropped EXE
PID:2488
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\9CFD.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵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:1704
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\5BF5.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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C:\Users\Admin\AppData\Local\Temp\8DCF.exeFilesize
5.5MB
MD53d03e50e7acc908a73cac1928347d0c7
SHA18c059a014a22d80ebbccdd2e3a3bc1e8933fd696
SHA256fd6158af16fde7ad1e8152d53991bedf566b38f54266f0f03c5c73560e486568
SHA5124bf7585d6feddffa6bf865335a9995f354afad3cd331172de194e0a9ac4431651ecc6a2b0aaeb3cb2d29bb95698d1de04fd0bed74ceff1c043151b1f4af8b266
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memory/836-1-0x0000000000250000-0x0000000000350000-memory.dmpFilesize
1024KB
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memory/836-3-0x0000000000400000-0x0000000000531000-memory.dmpFilesize
1.2MB
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memory/836-5-0x0000000000400000-0x0000000000531000-memory.dmpFilesize
1.2MB
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memory/836-2-0x00000000001B0000-0x00000000001BB000-memory.dmpFilesize
44KB
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memory/1372-62-0x0000000002E40000-0x0000000002E41000-memory.dmpFilesize
4KB
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memory/1372-4-0x0000000002E70000-0x0000000002E86000-memory.dmpFilesize
88KB
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memory/1704-66-0x0000000003EC0000-0x0000000003EC1000-memory.dmpFilesize
4KB
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memory/1704-65-0x0000000003EC0000-0x0000000003EC1000-memory.dmpFilesize
4KB
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memory/2488-29-0x0000000000980000-0x000000000126E000-memory.dmpFilesize
8.9MB
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memory/2488-33-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB
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memory/2488-34-0x0000000077440000-0x0000000077441000-memory.dmpFilesize
4KB
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memory/2488-37-0x0000000000980000-0x000000000126E000-memory.dmpFilesize
8.9MB
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memory/2488-30-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB
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memory/2488-31-0x0000000000980000-0x000000000126E000-memory.dmpFilesize
8.9MB
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memory/2488-27-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB