Analysis
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max time kernel
150s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
31/12/2022, 03:03
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
287KB
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MD5
0e5778576064954d640fcb296836242a
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SHA1
917570be308d05d0a15f219c20c7af9ca1bee64d
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SHA256
234741045141e6606ba6cff3b507d92a032b64e37f97af9e86c7471c2e012b2c
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SHA512
9a14bd82c74829bff562d41a9ac4059c79ed4131d0472c014b437806bee6bb7d99d2985c382bc35638e8ecd9b973c847ced4af52cb16e79370f09c56f06cc4e9
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SSDEEP
3072:S0iWVj0WWLvLDeuJRmEX/suFR9xjyhruLY+8U9SkEqwi:puFLneuXX/suFPxjyhrG8UIkEq
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/788-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1764-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/788-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/788-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/788-60-0x0000000000400000-0x0000000000409000-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 1764 set thread context of 788 1764 file.exe 28 -
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 788 file.exe 788 file.exe 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1284 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 788 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28 PID 1764 wrote to memory of 788 1764 file.exe 28
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:1764 -
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:788
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