Analysis
- max time kernel
152s - max time network
113s - platform
windows10_x64 - resource
win10v20210408 - submitted
22/07/2021, 17:13
Static task
static1
Behavioral task
behavioral1
Sample
66a2a7f0d83b797068895f9fcd2c886c.exe
Resource
win7v20210410
windows7_x64
Behavioral task
behavioral2
Sample
66a2a7f0d83b797068895f9fcd2c886c.exe
Resource
win10v20210408
windows10_x64
General
- Target 66a2a7f0d83b797068895f9fcd2c886c.exe
- Size 180KB
- Sample210722-jlpcjmt6c6
- SHA256 fb37334a0f31e9cac09d245e3ca86b08ca8df4a57ef9ec4b228bdb9869ed847b
- MD5 66a2a7f0d83b797068895f9fcd2c886c
- SHA1 e345ce2ab871e58610450b09320305c9ff046e66
- SHA512 88b2ed95cd37a07e8fefdfd482a664de3d8bcd62ab50bf41ea25e9811d7909f32a9ab1532a179aabc4740845fd32002631099e6247ede9c483bfff985bcac988
- MD5 SHA1 SHA512
Malware Config
Extracted
-
smokeloader
-
2020
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http://999080321newfolder1002002131-service1002.space/
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http://999080321newfolder1002002231-service1002.space/
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http://999080321newfolder3100231-service1002.space/
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http://999080321newfolder1002002431-service1002.space/
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http://999080321newfolder1002002531-service1002.space/
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http://999080321newfolder33417-012425999080321.space/
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http://999080321test125831-service10020125999080321.space/
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http://999080321test136831-service10020125999080321.space/
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http://999080321test147831-service10020125999080321.space/
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http://999080321test146831-service10020125999080321.space/
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http://999080321test134831-service10020125999080321.space/
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http://999080321est213531-service1002012425999080321.ru/
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http://999080321yes1t3481-service10020125999080321.ru/
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http://999080321test13561-service10020125999080321.su/
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http://999080321test14781-service10020125999080321.info/
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http://999080321test13461-service10020125999080321.net/
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http://999080321test15671-service10020125999080321.tech/
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http://999080321test12671-service10020125999080321.online/
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http://999080321utest1341-service10020125999080321.ru/
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http://999080321uest71-service100201dom25999080321.ru/
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http://999080321test61-service10020125999080321.website/
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http://999080321test51-service10020125999080321.xyz/
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http://999080321test41-service100201pro25999080321.ru/
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http://999080321yest31-service100201rus25999080321.ru/
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http://999080321rest21-service10020125999080321.eu/
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http://999080321test11-service10020125999080321.press/
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http://999080321newfolder4561-service10020125999080321.ru/
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http://999080321rustest213-service10020125999080321.ru/
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http://999080321test281-service10020125999080321.ru/
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http://999080321test261-service10020125999080321.space/
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http://999080321yomtest251-service10020125999080321.ru/
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http://999080321yirtest231-service10020125999080321.ru/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 2300 suvarts 2972 suvarts - Deletes itself 1 IoCs
pid Process 2708 Process not Found - Loads dropped DLL 1 IoCs
pid Process 708 66a2a7f0d83b797068895f9fcd2c886c.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 568 set thread context of 708 568 66a2a7f0d83b797068895f9fcd2c886c.exe 75 PID 2300 set thread context of 2972 2300 suvarts 80 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 66a2a7f0d83b797068895f9fcd2c886c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 66a2a7f0d83b797068895f9fcd2c886c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 66a2a7f0d83b797068895f9fcd2c886c.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 708 66a2a7f0d83b797068895f9fcd2c886c.exe 708 66a2a7f0d83b797068895f9fcd2c886c.exe 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found 2708 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2708 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 708 66a2a7f0d83b797068895f9fcd2c886c.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2708 Process not Found Token: SeCreatePagefilePrivilege 2708 Process not Found - Suspicious use of UnmapMainImage 1 IoCs
pid Process 2708 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 568 wrote to memory of 708 568 66a2a7f0d83b797068895f9fcd2c886c.exe 75 PID 568 wrote to memory of 708 568 66a2a7f0d83b797068895f9fcd2c886c.exe 75 PID 568 wrote to memory of 708 568 66a2a7f0d83b797068895f9fcd2c886c.exe 75 PID 568 wrote to memory of 708 568 66a2a7f0d83b797068895f9fcd2c886c.exe 75 PID 568 wrote to memory of 708 568 66a2a7f0d83b797068895f9fcd2c886c.exe 75 PID 568 wrote to memory of 708 568 66a2a7f0d83b797068895f9fcd2c886c.exe 75 PID 2300 wrote to memory of 2972 2300 suvarts 80 PID 2300 wrote to memory of 2972 2300 suvarts 80 PID 2300 wrote to memory of 2972 2300 suvarts 80 PID 2300 wrote to memory of 2972 2300 suvarts 80 PID 2300 wrote to memory of 2972 2300 suvarts 80 PID 2300 wrote to memory of 2972 2300 suvarts 80
Processes
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C:\Users\Admin\AppData\Local\Temp\66a2a7f0d83b797068895f9fcd2c886c.exe"C:\Users\Admin\AppData\Local\Temp\66a2a7f0d83b797068895f9fcd2c886c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:568 -
C:\Users\Admin\AppData\Local\Temp\66a2a7f0d83b797068895f9fcd2c886c.exe"C:\Users\Admin\AppData\Local\Temp\66a2a7f0d83b797068895f9fcd2c886c.exe"2⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:708
-
-
C:\Users\Admin\AppData\Roaming\suvartsC:\Users\Admin\AppData\Roaming\suvarts1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Users\Admin\AppData\Roaming\suvartsC:\Users\Admin\AppData\Roaming\suvarts2⤵
- Executes dropped EXE
PID:2972
-