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Analysis
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max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25/09/2022, 14:32
Static task
static1
Behavioral task
behavioral1
Sample
a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe
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Size
202KB
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MD5
a4e3953b97ab5469ce1271c81eec1def
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SHA1
2676318bc1b0e13c218a98d8bfb230d48c63f32b
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SHA256
a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c
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SHA512
f0fe2edb32d93ccaff4d30978bce83c0d21bb4efee4dce5490a6ee97c0af07b77174dcfa7085d5af476a253024511cf783019d8df50777e68487afadcfa2b52d
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SSDEEP
3072:4WXyFmhc70j5CDwcEsvMl8YpCpaTxC/JCUuEBCbSX+/PkzXx:ctZREPlpCps+J/c
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4768-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4716-135-0x00000000022C0000-0x00000000022C9000-memory.dmp family_smokeloader behavioral1/memory/4768-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4768-137-0x0000000000400000-0x0000000000409000-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 4716 set thread context of 4768 4716 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe 79 -
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 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4768 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe 4768 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2576 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4768 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4716 wrote to memory of 4768 4716 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe 79 PID 4716 wrote to memory of 4768 4716 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe 79 PID 4716 wrote to memory of 4768 4716 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe 79 PID 4716 wrote to memory of 4768 4716 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe 79 PID 4716 wrote to memory of 4768 4716 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe 79 PID 4716 wrote to memory of 4768 4716 a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe"C:\Users\Admin\AppData\Local\Temp\a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Users\Admin\AppData\Local\Temp\a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe"C:\Users\Admin\AppData\Local\Temp\a86288c9fde68312414059a271d020f99a17a5d54bae3ac2b5d090e8a25a4c6c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4768
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