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
11/09/2022, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe
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Size
298KB
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MD5
7bcb9fc1d21bd933875b17ef5d7ae31c
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SHA1
c070508040b29a2814071c4b0fbcf1aeacc18286
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SHA256
fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff
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SHA512
0a39d65bd728c2440118b78fe3b3511b88591a4f311f355c44209b62db2d9b76de6a1465aa29ee4c86be2d20fee309000b03c3db6e399f8342ebaea924ead003
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SSDEEP
6144:WH3ZWaIbNAJIZMV3wm/2AaCxk6POBFgU9N/wl/NsqGdpKFhH2JQ:WpWS2Alxk6POh9NkNsqGdSX
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/2036-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2980-135-0x0000000002520000-0x0000000002529000-memory.dmp family_smokeloader behavioral1/memory/2036-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2036-137-0x0000000000400000-0x0000000000409000-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 2980 set thread context of 2036 2980 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe 86 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2036 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe 2036 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found 376 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 376 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2036 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found Token: SeShutdownPrivilege 376 Process not Found Token: SeCreatePagefilePrivilege 376 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2980 wrote to memory of 2036 2980 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe 86 PID 2980 wrote to memory of 2036 2980 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe 86 PID 2980 wrote to memory of 2036 2980 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe 86 PID 2980 wrote to memory of 2036 2980 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe 86 PID 2980 wrote to memory of 2036 2980 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe 86 PID 2980 wrote to memory of 2036 2980 fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe"C:\Users\Admin\AppData\Local\Temp\fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Users\Admin\AppData\Local\Temp\fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe"C:\Users\Admin\AppData\Local\Temp\fb5345f82953db0490fc16a2c1230f437fa6d26845054f5997c9ca8dd228daff.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2036
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