Analysis
- max time kernel
150s - max time network
68s - platform
windows10_x64 - resource
win10v20201028 - submitted
14/02/2021, 16:33
General
- Target f083955b9819bd51d2a27efab3193a3d.exe
- Size 128KB
- Sample210214-pp4dh7ltjs
- SHA256 0cac1630f56f25462bfc12aeeeb52d4eb515783c5cba8fd74d715e2e46adaca6
Malware Config
Extracted
-
smokeloader
-
2019
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http://10022020newfolder1002002131-service1002.space/
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http://10022020newfolder1002002231-service1002.space/
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http://10022020newfolder3100231-service1002.space/
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http://10022020newfolder1002002431-service1002.space/
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http://10022020newfolder1002002531-service1002.space/
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http://10022020newfolder33417-01242510022020.space/
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http://10022020test125831-service1002012510022020.space/
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http://10022020test136831-service1002012510022020.space/
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http://10022020test147831-service1002012510022020.space/
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http://10022020test146831-service1002012510022020.space/
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http://10022020test134831-service1002012510022020.space/
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http://10022020est213531-service100201242510022020.ru/
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http://10022020yes1t3481-service1002012510022020.ru/
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http://10022020test13561-service1002012510022020.su/
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http://10022020test14781-service1002012510022020.info/
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http://10022020test13461-service1002012510022020.net/
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http://10022020test15671-service1002012510022020.tech/
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http://10022020test12671-service1002012510022020.online/
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http://10022020utest1341-service1002012510022020.ru/
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http://10022020uest71-service100201dom2510022020.ru/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f083955b9819bd51d2a27efab3193a3d.exe"C:\Users\Admin\AppData\Local\Temp\f083955b9819bd51d2a27efab3193a3d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\f083955b9819bd51d2a27efab3193a3d.exe"C:\Users\Admin\AppData\Local\Temp\f083955b9819bd51d2a27efab3193a3d.exe"2⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2640-8-0x0000000000530000-0x0000000000547000-memory.dmp
memory/4276-3-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4768-2-0x00000000031C0000-0x00000000031C1000-memory.dmp
memory/4768-6-0x0000000000030000-0x000000000003D000-memory.dmp