Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
13-02-2023 01:54
Static task
static1
Behavioral task
behavioral1
Sample
c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe
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Size
197KB
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MD5
b003e5021d31ff60e3a105c4cd440ab0
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SHA1
9ed273b0968780f2500372adc2036f8e8ee45c8b
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SHA256
c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c
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SHA512
37ef1868a5cc68dad31707fc98fc8ea7f1219b77467b17ea07523717719cc88b14b4ff0f608e251c90272026a675680e07245db3edc281e9aa63daeb7e29f4a9
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SSDEEP
3072:tjqxs+0JyOa5Cs9eQkTwu6HnrzjMXhJ5hgMhk++7Y0ZdActG:tGyRPs9eQsdsnrzuJ8sj4rAc
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3208-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4072-135-0x0000000000A20000-0x0000000000A29000-memory.dmp family_smokeloader behavioral2/memory/3208-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3208-137-0x0000000000400000-0x0000000000409000-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 4072 set thread context of 3208 4072 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.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 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3208 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 3208 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found 2532 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2532 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3208 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4072 wrote to memory of 3208 4072 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 81 PID 4072 wrote to memory of 3208 4072 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 81 PID 4072 wrote to memory of 3208 4072 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 81 PID 4072 wrote to memory of 3208 4072 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 81 PID 4072 wrote to memory of 3208 4072 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 81 PID 4072 wrote to memory of 3208 4072 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe"C:\Users\Admin\AppData\Local\Temp\c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Users\Admin\AppData\Local\Temp\c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe"C:\Users\Admin\AppData\Local\Temp\c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3208
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