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Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25/10/2022, 21:42
Static task
static1
Behavioral task
behavioral1
Sample
2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe
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Size
255KB
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MD5
4f0ed94ec334148466259c6e12b84b02
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SHA1
225e401c880b31643a0c2a46613e83f0f7369760
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SHA256
2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be
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SHA512
2306dccff9ebb55bda525827197993d2e0ba5dd03423131a776362c6eda5f85dade035dd04fd7238a1bd562d26b9b662e7e1c3718d0990229c57a9ee6d2a6c0b
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SSDEEP
3072:nXV49LagLUSkcGSOTl8rRGXxoriaXY5eXVFcNSoQgKtdXUDEF6:X6xJL4FSOTl8gXxoDXY+GQjBeEF6
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/1652-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3008-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral1/memory/1652-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1652-137-0x0000000000400000-0x0000000000409000-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 3008 set thread context of 1652 3008 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe 82 -
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 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1652 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe 1652 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.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 1652 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3008 wrote to memory of 1652 3008 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe 82 PID 3008 wrote to memory of 1652 3008 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe 82 PID 3008 wrote to memory of 1652 3008 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe 82 PID 3008 wrote to memory of 1652 3008 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe 82 PID 3008 wrote to memory of 1652 3008 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe 82 PID 3008 wrote to memory of 1652 3008 2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe"C:\Users\Admin\AppData\Local\Temp\2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Users\Admin\AppData\Local\Temp\2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe"C:\Users\Admin\AppData\Local\Temp\2821ddd0c04061c690b64b1157c2e99ac97637aeb8e97f99991a364a5f3996be.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1652
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