Analysis
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max time kernel
150s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
17/09/2022, 03:19
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
10 signatures
150 seconds
General
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Target
file.exe
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Size
300KB
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MD5
584b78ef69431b38b3118f8349b2d278
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SHA1
8a89c4ce82cc2f8d0ade808753cd23ab4c0ff2f5
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SHA256
8e11ab9affe9d5c9adce3088b154d9a4b5edeedf2ea048add9140efdf32ac4e5
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SHA512
c4d8159df012ca1be198f13d31f5b0d0003af09fd918db9b317c57ab385c3eddbba5faae054a0afbd58964d5ca48a2c1165082509b3129a1d2a268a9193e3420
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SSDEEP
3072:6FX7GtdGqb+TgL0G6WgJu9R/Wy/uySydbeTAYGOlnronqu3O0KMgYm7DHOM/h3B0:C7GXL0xWo82zln8qu3O07QOnigabwVf
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1988-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1988-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/544-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1988-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1988-60-0x0000000000400000-0x0000000000409000-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 544 set thread context of 1988 544 file.exe 26 -
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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1988 file.exe 1988 file.exe 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found 1352 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1988 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 544 wrote to memory of 1988 544 file.exe 26 PID 544 wrote to memory of 1988 544 file.exe 26 PID 544 wrote to memory of 1988 544 file.exe 26 PID 544 wrote to memory of 1988 544 file.exe 26 PID 544 wrote to memory of 1988 544 file.exe 26 PID 544 wrote to memory of 1988 544 file.exe 26 PID 544 wrote to memory of 1988 544 file.exe 26
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:544 -
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:1988
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