Analysis
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max time kernel
124s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
12-05-2024 19:30
Static task
static1
Behavioral task
behavioral1
Sample
6bcbbfac4eb7dbecb5a44983645a75db.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
6bcbbfac4eb7dbecb5a44983645a75db.exe
Resource
win10v2004-20240226-en
General
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Target
6bcbbfac4eb7dbecb5a44983645a75db.exe
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Size
240KB
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MD5
6bcbbfac4eb7dbecb5a44983645a75db
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SHA1
06335c12d2dc398efa4956674628debaf8a22b39
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SHA256
f73c2ff7df05fca90c08e6ac7a30b97f56a5f62ddc1aed09e0970dc416f995aa
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SHA512
550b13098d9842bc79b441721b6a93f085d75c274d7b5e0387fae87f9cf5a3566fb13694b5369149e093cb41a109fa015a9698f0553827c8c46c864083a54a33
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SSDEEP
3072:SR9BalQW+4t/2Rxpw3qcBsWkW+Nm/WXdJgr5QbgaHbWk18tKbTD94nXU3XnSo1s:SQEe619WZLSbgaH780pyXUSo
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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Modifies Installed Components in the registry 2 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
Processes:
pid process 1204 -
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:
6bcbbfac4eb7dbecb5a44983645a75db.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6bcbbfac4eb7dbecb5a44983645a75db.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6bcbbfac4eb7dbecb5a44983645a75db.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6bcbbfac4eb7dbecb5a44983645a75db.exe -
Modifies registry class 5 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
6bcbbfac4eb7dbecb5a44983645a75db.exepid process 1664 6bcbbfac4eb7dbecb5a44983645a75db.exe 1664 6bcbbfac4eb7dbecb5a44983645a75db.exe 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
explorer.exepid process 1796 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
6bcbbfac4eb7dbecb5a44983645a75db.exepid process 1664 6bcbbfac4eb7dbecb5a44983645a75db.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
explorer.exedescription pid process Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe Token: SeShutdownPrivilege 1796 explorer.exe -
Suspicious use of FindShellTrayWindow 28 IoCs
Processes:
explorer.exepid process 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe -
Suspicious use of SendNotifyMessage 22 IoCs
Processes:
explorer.exepid process 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe 1796 explorer.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
cmd.execmd.exedescription pid process target process PID 1204 wrote to memory of 2788 1204 cmd.exe PID 1204 wrote to memory of 2788 1204 cmd.exe PID 1204 wrote to memory of 2788 1204 cmd.exe PID 2788 wrote to memory of 2440 2788 cmd.exe reg.exe PID 2788 wrote to memory of 2440 2788 cmd.exe reg.exe PID 2788 wrote to memory of 2440 2788 cmd.exe reg.exe PID 1204 wrote to memory of 2452 1204 cmd.exe PID 1204 wrote to memory of 2452 1204 cmd.exe PID 1204 wrote to memory of 2452 1204 cmd.exe PID 2452 wrote to memory of 2408 2452 cmd.exe reg.exe PID 2452 wrote to memory of 2408 2452 cmd.exe reg.exe PID 2452 wrote to memory of 2408 2452 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\6bcbbfac4eb7dbecb5a44983645a75db.exe"C:\Users\Admin\AppData\Local\Temp\6bcbbfac4eb7dbecb5a44983645a75db.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\67D7.bat" "1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵
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C:\Windows\system32\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\7408.bat" "1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\67D7.batFilesize
77B
MD555cc761bf3429324e5a0095cab002113
SHA12cc1ef4542a4e92d4158ab3978425d517fafd16d
SHA256d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
SHA51233f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
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memory/1204-4-0x0000000002AA0000-0x0000000002AB6000-memory.dmpFilesize
88KB
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memory/1204-32-0x0000000002A80000-0x0000000002A81000-memory.dmpFilesize
4KB
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memory/1664-1-0x0000000000230000-0x0000000000330000-memory.dmpFilesize
1024KB
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memory/1664-3-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/1664-2-0x00000000003A0000-0x00000000003AB000-memory.dmpFilesize
44KB
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memory/1664-8-0x0000000000400000-0x000000000040B000-memory.dmpFilesize
44KB
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memory/1664-5-0x0000000000400000-0x0000000000793000-memory.dmpFilesize
3.6MB