Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
15/09/2022, 12:57
Static task
static1
Behavioral task
behavioral1
Sample
4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe
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Size
248KB
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MD5
182971680dc059c495fa8d5109006e79
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SHA1
70ed35394320c1c1a9221254b50ad557e22d9832
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SHA256
4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f
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SHA512
0e29e865be7b14fdabe40f2014725cf34571186a548509ba87dcbaec1de276e2552031a16799db0c5f865b256d810591ac836d1fd77f9bb12ea3bdf488fbb876
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SSDEEP
3072:qXMyCiGABLnt1KDdfvpdMN5Mh7HfYGve/6ej+ox+zms9PWVEch0KqkFV2xNM/h36:KhFLnt1kTXACejd8pm0IKNniga
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/916-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1912-135-0x00000000004C0000-0x00000000004C9000-memory.dmp family_smokeloader behavioral1/memory/916-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/916-137-0x0000000000400000-0x0000000000409000-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 1912 set thread context of 916 1912 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.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 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 916 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe 916 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found 2016 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2016 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 916 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1912 wrote to memory of 916 1912 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe 80 PID 1912 wrote to memory of 916 1912 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe 80 PID 1912 wrote to memory of 916 1912 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe 80 PID 1912 wrote to memory of 916 1912 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe 80 PID 1912 wrote to memory of 916 1912 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe 80 PID 1912 wrote to memory of 916 1912 4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe"C:\Users\Admin\AppData\Local\Temp\4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Users\Admin\AppData\Local\Temp\4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe"C:\Users\Admin\AppData\Local\Temp\4f976030dc517bca7c4f93b923ea10abbe73907dca60e2fbf97c1f6f40885f7f.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:916
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