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Analysis
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max time kernel
302s -
max time network
244s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
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submitted
03/09/2023, 21:58
General
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Target
4acd3dfbdcedfe49f4d95a35592fa167333900f13e468d23128c4f787be713f0.exe
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Size
245KB
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MD5
3f8f5fca4372c7d1889b1294f78e2394
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SHA1
21be72a7010b456c64444d247ef43c0f0616db72
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SHA256
4acd3dfbdcedfe49f4d95a35592fa167333900f13e468d23128c4f787be713f0
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SHA512
99f8adcc9cd5cb3588e3b1457bc6cecef9764a9bbd4d27e53436f0b774e31df45227b11ffb3c38a7040d804e407cc3bbe6231b0acae4e8b2089001079feae3d2
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SSDEEP
3072:g6tgzPSutyNF/OjsOYDexBHWsKNZi8zz4nwTOan87d:0RyesOlBHZOZi8zzawTBn8J
Malware Config
Extracted
smokeloader
pub1
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\4acd3dfbdcedfe49f4d95a35592fa167333900f13e468d23128c4f787be713f0.exe"C:\Users\Admin\AppData\Local\Temp\4acd3dfbdcedfe49f4d95a35592fa167333900f13e468d23128c4f787be713f0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4acd3dfbdcedfe49f4d95a35592fa167333900f13e468d23128c4f787be713f0.exe"C:\Users\Admin\AppData\Local\Temp\4acd3dfbdcedfe49f4d95a35592fa167333900f13e468d23128c4f787be713f0.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Roaming\dtbdeegC:\Users\Admin\AppData\Roaming\dtbdeeg1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\dtbdeegC:\Users\Admin\AppData\Roaming\dtbdeeg2⤵
- 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
245KB
MD53f8f5fca4372c7d1889b1294f78e2394
SHA121be72a7010b456c64444d247ef43c0f0616db72
SHA2564acd3dfbdcedfe49f4d95a35592fa167333900f13e468d23128c4f787be713f0
SHA51299f8adcc9cd5cb3588e3b1457bc6cecef9764a9bbd4d27e53436f0b774e31df45227b11ffb3c38a7040d804e407cc3bbe6231b0acae4e8b2089001079feae3d2
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Filesize
245KB
MD53f8f5fca4372c7d1889b1294f78e2394
SHA121be72a7010b456c64444d247ef43c0f0616db72
SHA2564acd3dfbdcedfe49f4d95a35592fa167333900f13e468d23128c4f787be713f0
SHA51299f8adcc9cd5cb3588e3b1457bc6cecef9764a9bbd4d27e53436f0b774e31df45227b11ffb3c38a7040d804e407cc3bbe6231b0acae4e8b2089001079feae3d2
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Filesize
245KB
MD53f8f5fca4372c7d1889b1294f78e2394
SHA121be72a7010b456c64444d247ef43c0f0616db72
SHA2564acd3dfbdcedfe49f4d95a35592fa167333900f13e468d23128c4f787be713f0
SHA51299f8adcc9cd5cb3588e3b1457bc6cecef9764a9bbd4d27e53436f0b774e31df45227b11ffb3c38a7040d804e407cc3bbe6231b0acae4e8b2089001079feae3d2
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Filesize
36KB
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Filesize
36KB
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Filesize
1024KB
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Filesize
88KB
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Filesize
88KB
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Filesize
36KB
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Filesize
36KB
-
Filesize
36KB
-
Filesize
36KB
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Filesize
1024KB