Analysis
- max time kernel
150s - max time network
45s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
20/12/2022, 09:32
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 218KB
- Sample221220-lhmfcscc6v
- SHA256 288f3bdb4325931f3ffda1cb3804dba2e4e36d2eba50944f4c95fbb6554cee23
- MD5 69629834c8e6175a23994ab0198137a7
- SHA1 2000bfede80c20fc3f73bb903ff119d4c4531e9e
- SHA512 373e95c57ccc2c51a1c77c637d406828563018d49c235647c5b5bb0995de195492eb9782670b15a08c2fe7967ae6a7df1940cf653b8c2d8581b854883598b606
- SSDEEP 3072:Mz9oOLNL949RncMFr7YXpoCf83QOO3aSbZj/MJ7b/gg2acNHCDml:M5oOLN54cMVkXav3RdBIda+Ca
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1884-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1884-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/780-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1884-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1884-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 780 set thread context of 1884 780 file.exe 28 - 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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1884 file.exe 1884 file.exe 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1884 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 780 wrote to memory of 1884 780 file.exe 28 PID 780 wrote to memory of 1884 780 file.exe 28 PID 780 wrote to memory of 1884 780 file.exe 28 PID 780 wrote to memory of 1884 780 file.exe 28 PID 780 wrote to memory of 1884 780 file.exe 28 PID 780 wrote to memory of 1884 780 file.exe 28 PID 780 wrote to memory of 1884 780 file.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1884
-