Analysis
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max time kernel
121s -
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 13:28
Static task
static1
Behavioral task
behavioral1
Sample
20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe
Resource
win10v2004-20240412-en
General
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Target
20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe
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Size
312KB
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MD5
540326cdda418bc16b3ef5eb9f14b24a
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SHA1
15085220874365e6c95cb501c7973fc34d9eb7fd
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SHA256
20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3
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SHA512
e9aa792cffd04362c0b64cdbe5d8ca04a6180f40f561376f4e825f6d290dca3742cdff783e7550b3815302d5b75d2846771815e3c8e22117019f39ec997da86b
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SSDEEP
3072:PfQrW+DOwR/lV+ZYY+EXd839mWsmBz6rHXUYznNuOuK:mGSVO1W39rFz6zXUY7cI
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 2 IoCs
Processes:
explorer.exeexplorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
Processes:
pid process 1196 -
Executes dropped EXE 2 IoCs
Processes:
C034.exeffhhtrbpid process 2616 C034.exe 2120 ffhhtrb -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\C034.exe vmprotect behavioral1/memory/2616-38-0x0000000000D00000-0x00000000015EE000-memory.dmp vmprotect behavioral1/memory/2616-45-0x0000000000D00000-0x00000000015EE000-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 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exeffhhtrbdescription ioc process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ffhhtrb Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ffhhtrb Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ffhhtrb Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe -
Modifies registry class 10 IoCs
Processes:
explorer.exeexplorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exepid process 3056 20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe 3056 20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196 -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
explorer.exeexplorer.exepid process 1792 explorer.exe 1248 explorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exeffhhtrbpid process 3056 20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe 2120 ffhhtrb -
Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
explorer.exeexplorer.exedescription pid process Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 explorer.exe Token: SeShutdownPrivilege 1792 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 Token: SeShutdownPrivilege 1248 explorer.exe -
Suspicious use of FindShellTrayWindow 56 IoCs
Processes:
explorer.exeexplorer.exepid process 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 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 36 IoCs
Processes:
explorer.exeexplorer.exepid process 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 explorer.exe 1792 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 20 IoCs
Processes:
cmd.execmd.exetaskeng.exedescription pid process target process PID 1196 wrote to memory of 2660 1196 cmd.exe PID 1196 wrote to memory of 2660 1196 cmd.exe PID 1196 wrote to memory of 2660 1196 cmd.exe PID 2660 wrote to memory of 3064 2660 cmd.exe reg.exe PID 2660 wrote to memory of 3064 2660 cmd.exe reg.exe PID 2660 wrote to memory of 3064 2660 cmd.exe reg.exe PID 1196 wrote to memory of 2616 1196 C034.exe PID 1196 wrote to memory of 2616 1196 C034.exe PID 1196 wrote to memory of 2616 1196 C034.exe PID 1196 wrote to memory of 2616 1196 C034.exe PID 1196 wrote to memory of 2440 1196 cmd.exe PID 1196 wrote to memory of 2440 1196 cmd.exe PID 1196 wrote to memory of 2440 1196 cmd.exe PID 2440 wrote to memory of 2508 2440 cmd.exe reg.exe PID 2440 wrote to memory of 2508 2440 cmd.exe reg.exe PID 2440 wrote to memory of 2508 2440 cmd.exe reg.exe PID 540 wrote to memory of 2120 540 taskeng.exe ffhhtrb PID 540 wrote to memory of 2120 540 taskeng.exe ffhhtrb PID 540 wrote to memory of 2120 540 taskeng.exe ffhhtrb PID 540 wrote to memory of 2120 540 taskeng.exe ffhhtrb -
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\20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe"C:\Users\Admin\AppData\Local\Temp\20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3056
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\77EE.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:3064
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C:\Users\Admin\AppData\Local\Temp\C034.exeC:\Users\Admin\AppData\Local\Temp\C034.exe1⤵
- Executes dropped EXE
PID:2616
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\C2E4.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:2508
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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:1792
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C:\Windows\system32\taskeng.exetaskeng.exe {3CCF126D-EFD8-431E-999C-40484FD116D5} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:540 -
C:\Users\Admin\AppData\Roaming\ffhhtrbC:\Users\Admin\AppData\Roaming\ffhhtrb2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2120
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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:1248
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\77EE.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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C:\Users\Admin\AppData\Local\Temp\C034.exeFilesize
5.5MB
MD53d03e50e7acc908a73cac1928347d0c7
SHA18c059a014a22d80ebbccdd2e3a3bc1e8933fd696
SHA256fd6158af16fde7ad1e8152d53991bedf566b38f54266f0f03c5c73560e486568
SHA5124bf7585d6feddffa6bf865335a9995f354afad3cd331172de194e0a9ac4431651ecc6a2b0aaeb3cb2d29bb95698d1de04fd0bed74ceff1c043151b1f4af8b266
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C:\Users\Admin\AppData\Roaming\ffhhtrbFilesize
312KB
MD5540326cdda418bc16b3ef5eb9f14b24a
SHA115085220874365e6c95cb501c7973fc34d9eb7fd
SHA25620bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3
SHA512e9aa792cffd04362c0b64cdbe5d8ca04a6180f40f561376f4e825f6d290dca3742cdff783e7550b3815302d5b75d2846771815e3c8e22117019f39ec997da86b
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memory/1196-49-0x0000000002DC0000-0x0000000002DC1000-memory.dmpFilesize
4KB
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memory/1196-4-0x0000000002DF0000-0x0000000002E06000-memory.dmpFilesize
88KB
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memory/1248-64-0x0000000004250000-0x0000000004251000-memory.dmpFilesize
4KB
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memory/1248-63-0x0000000004250000-0x0000000004251000-memory.dmpFilesize
4KB
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memory/1792-56-0x00000000045F0000-0x0000000004606000-memory.dmpFilesize
88KB
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memory/1792-55-0x00000000044A0000-0x00000000044A1000-memory.dmpFilesize
4KB
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memory/2120-53-0x0000000002E50000-0x0000000002F50000-memory.dmpFilesize
1024KB
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memory/2120-54-0x0000000000400000-0x0000000002D4C000-memory.dmpFilesize
41.3MB
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memory/2120-57-0x0000000000400000-0x0000000002D4C000-memory.dmpFilesize
41.3MB
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memory/2616-41-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB
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memory/2616-42-0x0000000077DB0000-0x0000000077DB1000-memory.dmpFilesize
4KB
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memory/2616-45-0x0000000000D00000-0x00000000015EE000-memory.dmpFilesize
8.9MB
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memory/2616-39-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB
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memory/2616-38-0x0000000000D00000-0x00000000015EE000-memory.dmpFilesize
8.9MB
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memory/2616-36-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB
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memory/3056-2-0x0000000000230000-0x000000000023B000-memory.dmpFilesize
44KB
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memory/3056-5-0x0000000000400000-0x0000000002D4C000-memory.dmpFilesize
41.3MB
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memory/3056-3-0x0000000000400000-0x0000000002D4C000-memory.dmpFilesize
41.3MB
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memory/3056-1-0x0000000002F00000-0x0000000003000000-memory.dmpFilesize
1024KB