Analysis
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max time kernel
119s -
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 13:01
Static task
static1
Behavioral task
behavioral1
Sample
91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
Resource
win10v2004-20240412-en
General
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Target
91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
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Size
259KB
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MD5
e5477d6420e21e75a4bb411a3947201a
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SHA1
7120bf0ba0196ecc8cc04dd0c3166185ee3f7892
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SHA256
91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a
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SHA512
de56dddda25e1cf9c5835613e38375f463bbcabe858b846077359b704493ef75b14e6187f21f110103bde70cc61efe17e5dac6d229456271b33afa3406c7020d
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SSDEEP
6144:K7vq2CD3/WTO/Ukgn4olUKm4shprkwnf8/9tQ:ERM3/WTO/dgxUWshprDnatQ
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
description ioc Process Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
pid Process 1216 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 2576 D49E.exe -
resource yara_rule behavioral1/files/0x00300000000165e5-25.dat vmprotect behavioral1/memory/2576-38-0x0000000000930000-0x000000000121E000-memory.dmp vmprotect behavioral1/memory/2576-41-0x0000000000930000-0x000000000121E000-memory.dmp vmprotect behavioral1/memory/2576-47-0x0000000000930000-0x000000000121E000-memory.dmp vmprotect -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 41 drive.google.com 42 drive.google.com -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification \??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico explorer.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2380 91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe 2380 91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2820 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2380 91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe Token: SeShutdownPrivilege 2820 explorer.exe -
Suspicious use of FindShellTrayWindow 30 IoCs
pid Process 1216 Process not Found 1216 Process not Found 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe -
Suspicious use of SendNotifyMessage 20 IoCs
pid Process 1216 Process not Found 1216 Process not Found 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe 2820 explorer.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1216 wrote to memory of 2668 1216 Process not Found 28 PID 1216 wrote to memory of 2668 1216 Process not Found 28 PID 1216 wrote to memory of 2668 1216 Process not Found 28 PID 2668 wrote to memory of 2564 2668 cmd.exe 30 PID 2668 wrote to memory of 2564 2668 cmd.exe 30 PID 2668 wrote to memory of 2564 2668 cmd.exe 30 PID 1216 wrote to memory of 2576 1216 Process not Found 31 PID 1216 wrote to memory of 2576 1216 Process not Found 31 PID 1216 wrote to memory of 2576 1216 Process not Found 31 PID 1216 wrote to memory of 2576 1216 Process not Found 31 PID 1216 wrote to memory of 2524 1216 Process not Found 33 PID 1216 wrote to memory of 2524 1216 Process not Found 33 PID 1216 wrote to memory of 2524 1216 Process not Found 33 PID 2524 wrote to memory of 3020 2524 cmd.exe 35 PID 2524 wrote to memory of 3020 2524 cmd.exe 35 PID 2524 wrote to memory of 3020 2524 cmd.exe 35 -
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\91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe"C:\Users\Admin\AppData\Local\Temp\91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2380
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\A63E.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:2564
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C:\Users\Admin\AppData\Local\Temp\D49E.exeC:\Users\Admin\AppData\Local\Temp\D49E.exe1⤵
- Executes dropped EXE
PID:2576
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\D73E.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:3020
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2820
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
5.5MB
MD53d03e50e7acc908a73cac1928347d0c7
SHA18c059a014a22d80ebbccdd2e3a3bc1e8933fd696
SHA256fd6158af16fde7ad1e8152d53991bedf566b38f54266f0f03c5c73560e486568
SHA5124bf7585d6feddffa6bf865335a9995f354afad3cd331172de194e0a9ac4431651ecc6a2b0aaeb3cb2d29bb95698d1de04fd0bed74ceff1c043151b1f4af8b266