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Analysis
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max time kernel
300s -
max time network
259s -
platform
windows10-1703_x64 -
resource
win10-20231025-en -
resource tags
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submitted
13/11/2023, 12:49
General
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Target
toolspub2.exe
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Size
264KB
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MD5
dcbd05276d11111f2dd2a7edf52e3386
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SHA1
f5dc6d418d9fb2d2cfa4af440ec4ff78da8f11ec
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SHA256
cea5245bab036b03f89d549c71f47df8a14854b0de515643bf95319ec5af71d4
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SHA512
5f1a9c993cd5394e23b39c43cc7479355c922d1ee8ea48109bbad805209dee697e20759257eca9e2f1b75d34a8c4b4c428a736fa8a468dc18de6c44cb6394846
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SSDEEP
3072:MkULcl5ZxKJo8LwzbXyTi4UDcVpdLdKHJPOCv09I3i+9P7HbMsoOz1:LUa5p/bXyTi4iGTdAJ7pf0sv
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
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Executes dropped EXE 2 IoCs
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Suspicious use of SetThreadContext 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.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 2 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
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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\toolspub2.exe"C:\Users\Admin\AppData\Local\Temp\toolspub2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\toolspub2.exe"C:\Users\Admin\AppData\Local\Temp\toolspub2.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Roaming\bbwhrstC:\Users\Admin\AppData\Roaming\bbwhrst1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\bbwhrstC:\Users\Admin\AppData\Roaming\bbwhrst2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
264KB
MD5dcbd05276d11111f2dd2a7edf52e3386
SHA1f5dc6d418d9fb2d2cfa4af440ec4ff78da8f11ec
SHA256cea5245bab036b03f89d549c71f47df8a14854b0de515643bf95319ec5af71d4
SHA5125f1a9c993cd5394e23b39c43cc7479355c922d1ee8ea48109bbad805209dee697e20759257eca9e2f1b75d34a8c4b4c428a736fa8a468dc18de6c44cb6394846
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Filesize
264KB
MD5dcbd05276d11111f2dd2a7edf52e3386
SHA1f5dc6d418d9fb2d2cfa4af440ec4ff78da8f11ec
SHA256cea5245bab036b03f89d549c71f47df8a14854b0de515643bf95319ec5af71d4
SHA5125f1a9c993cd5394e23b39c43cc7479355c922d1ee8ea48109bbad805209dee697e20759257eca9e2f1b75d34a8c4b4c428a736fa8a468dc18de6c44cb6394846
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Filesize
264KB
MD5dcbd05276d11111f2dd2a7edf52e3386
SHA1f5dc6d418d9fb2d2cfa4af440ec4ff78da8f11ec
SHA256cea5245bab036b03f89d549c71f47df8a14854b0de515643bf95319ec5af71d4
SHA5125f1a9c993cd5394e23b39c43cc7479355c922d1ee8ea48109bbad805209dee697e20759257eca9e2f1b75d34a8c4b4c428a736fa8a468dc18de6c44cb6394846
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Filesize
88KB
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Filesize
88KB
-
Filesize
36KB
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Filesize
1024KB
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Filesize
36KB
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Filesize
36KB
-
Filesize
36KB
-
Filesize
36KB
-
Filesize
1024KB
-
Filesize
36KB
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Filesize
36KB