Analysis
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max time kernel
150s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
28/10/2022, 09:01
Static task
static1
Behavioral task
behavioral1
Sample
b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe
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Size
174KB
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MD5
10e1c34f4c6ce2205bd4fe5fa71f62a4
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SHA1
8ce7c7a480a0c30b49d1efc8622d567d9cffed2f
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SHA256
b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf
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SHA512
c5fee9013553b02edde6f90a822602bc0fbb2fd98de3dd05c79e3df1d60fd0d5296648bccdba1f21c30147648e51327d5a26e29dcf7f6e4ca3235c3ab8a0e45d
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SSDEEP
3072:jm9pj51LK4yKkB3q0CR3SRhgj33s8dJ8B4G/I/Pk9In:ctOaOrCR8hgjHs81G
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1436-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1436-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1604-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1436-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1436-60-0x0000000000400000-0x0000000000409000-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 1604 set thread context of 1436 1604 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 27 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1436 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 1436 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1436 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1604 wrote to memory of 1436 1604 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 27 PID 1604 wrote to memory of 1436 1604 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 27 PID 1604 wrote to memory of 1436 1604 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 27 PID 1604 wrote to memory of 1436 1604 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 27 PID 1604 wrote to memory of 1436 1604 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 27 PID 1604 wrote to memory of 1436 1604 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 27 PID 1604 wrote to memory of 1436 1604 b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe"C:\Users\Admin\AppData\Local\Temp\b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Users\Admin\AppData\Local\Temp\b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe"C:\Users\Admin\AppData\Local\Temp\b5dfeea815d0c2725ddec26e49d3e82b444b5ddbf38fb27dc441039fb28d9dcf.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1436
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