Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
19/12/2022, 07:00
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
9 signatures
150 seconds
General
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Target
file.exe
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Size
307KB
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MD5
e574401fee2a074fc9a1b13621899159
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SHA1
1987b53f351618e48156251d2ad3064415c8a649
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SHA256
59698fdddc8ad2aebd223d12c81b07d9e707bf851af25a3761091abff8997da2
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SHA512
01d7275d2cf47c200eeca2485fdd5b21d588c9a0ddfe7ee1e8c6764b0c6923bd86f859411d25167bcadcccab3989e06dd9a7da7ca4cb34971ac5a17e0353b0a1
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SSDEEP
6144:1KRDxLz6Y92i+CTNThEVfl/VoJ0iPvzpQ6rFiaI:1i36Y92i+C5TStldoJxnzpQ6rF
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4580-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4816-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/4580-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4580-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4816 set thread context of 4580 4816 file.exe 81 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4580 file.exe 4580 file.exe 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2700 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4580 file.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4816 wrote to memory of 4580 4816 file.exe 81 PID 4816 wrote to memory of 4580 4816 file.exe 81 PID 4816 wrote to memory of 4580 4816 file.exe 81 PID 4816 wrote to memory of 4580 4816 file.exe 81 PID 4816 wrote to memory of 4580 4816 file.exe 81 PID 4816 wrote to memory of 4580 4816 file.exe 81
Processes
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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:4816 -
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:4580
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