Analysis
- 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
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
- Target c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe
- Size 197KB
- Sample230213-cblqtaaa86
- SHA256 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c
- MD5 b003e5021d31ff60e3a105c4cd440ab0
- SHA1 9ed273b0968780f2500372adc2036f8e8ee45c8b
- SHA512 37ef1868a5cc68dad31707fc98fc8ea7f1219b77467b17ea07523717719cc88b14b4ff0f608e251c90272026a675680e07245db3edc281e9aa63daeb7e29f4a9
- SSDEEP 3072:tjqxs+0JyOa5Cs9eQkTwu6HnrzjMXhJ5hgMhk++7Y0ZdActG:tGyRPs9eQsdsnrzuJ8sj4rAc
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/912-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/912-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1832-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/912-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/912-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1832 set thread context of 912 1832 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.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 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 912 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 912 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found 1216 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 912 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1832 wrote to memory of 912 1832 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 28 PID 1832 wrote to memory of 912 1832 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 28 PID 1832 wrote to memory of 912 1832 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 28 PID 1832 wrote to memory of 912 1832 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 28 PID 1832 wrote to memory of 912 1832 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 28 PID 1832 wrote to memory of 912 1832 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 28 PID 1832 wrote to memory of 912 1832 c39bdf652e6adff9831bcfb3fa9e0a420f38850641a45e49767a6202c64ee95c.exe 28
Processes
-
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:1832 -
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:912
-