Analysis
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max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
17-04-2024 13:02
Static task
static1
Behavioral task
behavioral1
Sample
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe
Resource
win10v2004-20240412-en
General
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Target
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe
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Size
259KB
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MD5
b05a74505fa03339578dff002ba57c69
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SHA1
b9851e84dbd2c8b2ecccb30452ddccb0496ef974
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SHA256
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e
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SHA512
616337efd4b6a84f0590226b52d8c7398723afe43bb1fc879089a7474b7fd8949e16353bb4ff713da4295dbc4885d5eb34d9483d7441b726592371bb8f285dd3
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SSDEEP
3072:NCEgl6HLc0iImEkhg569+wjkabBB2n2qr4j54wCxe9yFfqdwiB9ez/WnQEbK3Zk:NsUrc06Fue/kZr4j5vwbb0WWnQEbe
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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
Processes:
pid process 1244 -
Executes dropped EXE 1 IoCs
Processes:
2A9A.exepid process 2388 2A9A.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\2A9A.exe vmprotect behavioral1/memory/2388-39-0x0000000000B50000-0x000000000143E000-memory.dmp vmprotect behavioral1/memory/2388-42-0x0000000000B50000-0x000000000143E000-memory.dmp vmprotect behavioral1/memory/2388-47-0x0000000000B50000-0x000000000143E000-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:
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.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:
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exepid process 3012 e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe 3012 e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 1244 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 2860 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exepid process 3012 e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
explorer.exedescription pid process Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe Token: SeShutdownPrivilege 2860 explorer.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
Processes:
explorer.exepid process 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe -
Suspicious use of SendNotifyMessage 18 IoCs
Processes:
explorer.exepid process 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe 2860 explorer.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
cmd.execmd.exedescription pid process target process PID 1244 wrote to memory of 2972 1244 cmd.exe PID 1244 wrote to memory of 2972 1244 cmd.exe PID 1244 wrote to memory of 2972 1244 cmd.exe PID 2972 wrote to memory of 2256 2972 cmd.exe reg.exe PID 2972 wrote to memory of 2256 2972 cmd.exe reg.exe PID 2972 wrote to memory of 2256 2972 cmd.exe reg.exe PID 1244 wrote to memory of 2388 1244 2A9A.exe PID 1244 wrote to memory of 2388 1244 2A9A.exe PID 1244 wrote to memory of 2388 1244 2A9A.exe PID 1244 wrote to memory of 2388 1244 2A9A.exe PID 1244 wrote to memory of 324 1244 cmd.exe PID 1244 wrote to memory of 324 1244 cmd.exe PID 1244 wrote to memory of 324 1244 cmd.exe PID 324 wrote to memory of 1004 324 cmd.exe reg.exe PID 324 wrote to memory of 1004 324 cmd.exe reg.exe PID 324 wrote to memory of 1004 324 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\e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe"C:\Users\Admin\AppData\Local\Temp\e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3012
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\BFD6.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:2256
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C:\Users\Admin\AppData\Local\Temp\2A9A.exeC:\Users\Admin\AppData\Local\Temp\2A9A.exe1⤵
- Executes dropped EXE
PID:2388
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\2D78.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:324 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:1004
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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:2860
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\2A9A.exeFilesize
5.5MB
MD53d03e50e7acc908a73cac1928347d0c7
SHA18c059a014a22d80ebbccdd2e3a3bc1e8933fd696
SHA256fd6158af16fde7ad1e8152d53991bedf566b38f54266f0f03c5c73560e486568
SHA5124bf7585d6feddffa6bf865335a9995f354afad3cd331172de194e0a9ac4431651ecc6a2b0aaeb3cb2d29bb95698d1de04fd0bed74ceff1c043151b1f4af8b266
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C:\Users\Admin\AppData\Local\Temp\BFD6.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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memory/1244-51-0x0000000002650000-0x0000000002651000-memory.dmpFilesize
4KB
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memory/1244-4-0x0000000002B50000-0x0000000002B66000-memory.dmpFilesize
88KB
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memory/2388-42-0x0000000000B50000-0x000000000143E000-memory.dmpFilesize
8.9MB
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memory/2388-43-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB
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memory/2388-47-0x0000000000B50000-0x000000000143E000-memory.dmpFilesize
8.9MB
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memory/2388-45-0x0000000077C00000-0x0000000077C01000-memory.dmpFilesize
4KB
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memory/2388-37-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB
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memory/2388-39-0x0000000000B50000-0x000000000143E000-memory.dmpFilesize
8.9MB
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memory/2388-40-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB
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memory/2860-52-0x0000000003F80000-0x0000000003F81000-memory.dmpFilesize
4KB
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memory/2860-53-0x0000000003F80000-0x0000000003F81000-memory.dmpFilesize
4KB
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memory/3012-8-0x0000000000220000-0x000000000022B000-memory.dmpFilesize
44KB
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memory/3012-1-0x0000000000F30000-0x0000000001030000-memory.dmpFilesize
1024KB
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memory/3012-3-0x0000000000400000-0x0000000000AEA000-memory.dmpFilesize
6.9MB
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memory/3012-5-0x0000000000400000-0x0000000000AEA000-memory.dmpFilesize
6.9MB
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memory/3012-2-0x0000000000220000-0x000000000022B000-memory.dmpFilesize
44KB