Analysis
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max time kernel
154s -
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 22:49
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
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
file.exe
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Size
240KB
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MD5
35817a81791ad31cb6aea5d412416519
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SHA1
c1dc83a9d6bfc1be7a1fd31ad3388c0187debe5d
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SHA256
413dfa98d485fb9cf21af75dc88475fd55176fbd3f9fae020ec26fe1b095cccf
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SHA512
f31561e29b6b2a0b0289745b6ced9aa248aa58718edebdecdbfb81ad3c97741269c1976e8faf7a16add46aeee0f7610e0543f1a6c38c43d67070f9ab89af7598
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SSDEEP
3072:rX5fqyL/3/sidC9YU15Z2xcJv0R9uDC54Omqg727hZY:DRLhdC9YEuRgDMsnWZY
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1336-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1336-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1144-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1336-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1336-60-0x0000000000400000-0x0000000000409000-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 1144 set thread context of 1336 1144 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 1336 file.exe 1336 file.exe 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1264 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1336 file.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1144 wrote to memory of 1336 1144 file.exe 28 PID 1144 wrote to memory of 1336 1144 file.exe 28 PID 1144 wrote to memory of 1336 1144 file.exe 28 PID 1144 wrote to memory of 1336 1144 file.exe 28 PID 1144 wrote to memory of 1336 1144 file.exe 28 PID 1144 wrote to memory of 1336 1144 file.exe 28 PID 1144 wrote to memory of 1336 1144 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:1144 -
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:1336
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