Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
16/02/2023, 10:32
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
252KB
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MD5
ec508eda86676045a4d567349dda9da6
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SHA1
fa1224025d01da8292bb3ffdade3ac22357b273e
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SHA256
d9699400364bac5307dc7445640ceea3a376319e21340e736a9901d9f5e7286d
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SHA512
bea36e1911ab8180f7f0d2545d01415ee7728f1e7cdb38d14faad7d385f113f8e4be3cb501834bd1054586f2de1867a1248e905b6336f5721f0b182c4490c80f
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SSDEEP
3072:i2WeJA9nL7hBR2qMRjGy5FrnLMfjvas0Lvbwg0TtpiKiPM8p3j0/nEp0yeQ55x:9Q5LPATTrnwMbwiKnMgfi5
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1224-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4532-135-0x00000000006E0000-0x00000000006E9000-memory.dmp family_smokeloader behavioral2/memory/1224-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1224-137-0x0000000000400000-0x0000000000409000-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 4532 set thread context of 1224 4532 file.exe 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 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 1224 file.exe 1224 file.exe 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2424 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1224 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4532 wrote to memory of 1224 4532 file.exe 80 PID 4532 wrote to memory of 1224 4532 file.exe 80 PID 4532 wrote to memory of 1224 4532 file.exe 80 PID 4532 wrote to memory of 1224 4532 file.exe 80 PID 4532 wrote to memory of 1224 4532 file.exe 80 PID 4532 wrote to memory of 1224 4532 file.exe 80
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:4532 -
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:1224
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