Analysis
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max time kernel
150s -
max time network
142s -
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, 22:14
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
file.exe
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Size
252KB
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MD5
c766fc09320bd2e7eacd48de6d300a73
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SHA1
1abc0372b16a3477caf917d43344c323793bc0b0
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SHA256
83c09e424a194ba6169087edba6c1f79d9288422396844a45bbd3c72a9e615ea
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SHA512
7630db7ca5d8c7928c6e6922f4bc0de604988d95f5818edad4b24a67f6bf86486fae72d23bde25cf18d16978270821898c37566a31546a0c1b66b27a6ef9db0b
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SSDEEP
3072:VtxqLd5U5u6PfAE0DQrg17UKTR9TxS2GCKouKMDHJtHPVbZUcNYE:bcLAuJE0wg1UKTXTA2Yo6/HuE
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4040-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4808-135-0x0000000000870000-0x0000000000879000-memory.dmp family_smokeloader behavioral2/memory/4040-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4040-137-0x0000000000400000-0x0000000000409000-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 4808 set thread context of 4040 4808 file.exe 81 -
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 -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4040 file.exe 4040 file.exe 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2640 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4040 file.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2640 Process not Found 2640 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4808 wrote to memory of 4040 4808 file.exe 81 PID 4808 wrote to memory of 4040 4808 file.exe 81 PID 4808 wrote to memory of 4040 4808 file.exe 81 PID 4808 wrote to memory of 4040 4808 file.exe 81 PID 4808 wrote to memory of 4040 4808 file.exe 81 PID 4808 wrote to memory of 4040 4808 file.exe 81
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:4808 -
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:4040
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