Analysis
- max time kernel
151s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/08/2022, 20:39
Static task
static1
Behavioral task
behavioral1
Sample
243845b7dc81d2c783c92ed4b8df4ee7.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
243845b7dc81d2c783c92ed4b8df4ee7.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 243845b7dc81d2c783c92ed4b8df4ee7.exe
- Size 279KB
- Sample220829-ze9ndaeffq
- SHA256 d63c73fa14a62b497216f71c6b726dbf4dcc7e65d2f96dc4d8db524aca948236
- MD5 243845b7dc81d2c783c92ed4b8df4ee7
- SHA1 5e5b829209e17eec4b0e670504c81b53d33f592c
- SHA512 da1a90e066add470f695608e8102f1e28377a2a7bbc60599f66d0d69b2e84a51a0aeab09688e93a0c151cf3c3274ff2b8c3fad8ccffbb3d50572381ac685824b
- SSDEEP 3072:L/XL67fDiwUPI++MGSLJYQi4JLRAa/KOLG5XVIjPuD:7+rD4PI++CLKaY2KmGbiuD
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/3444-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2340-135-0x0000000002D20000-0x0000000002D29000-memory.dmp family_smokeloader behavioral2/memory/3444-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3444-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4328-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4328-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 388 ttiscjw 4328 ttiscjw - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2340 set thread context of 3444 2340 243845b7dc81d2c783c92ed4b8df4ee7.exe 87 PID 388 set thread context of 4328 388 ttiscjw 97 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 243845b7dc81d2c783c92ed4b8df4ee7.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 243845b7dc81d2c783c92ed4b8df4ee7.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 243845b7dc81d2c783c92ed4b8df4ee7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ttiscjw Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ttiscjw Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ttiscjw - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3444 243845b7dc81d2c783c92ed4b8df4ee7.exe 3444 243845b7dc81d2c783c92ed4b8df4ee7.exe 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found 504 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 504 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3444 243845b7dc81d2c783c92ed4b8df4ee7.exe 4328 ttiscjw - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 504 Process not Found Token: SeCreatePagefilePrivilege 504 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2340 wrote to memory of 3444 2340 243845b7dc81d2c783c92ed4b8df4ee7.exe 87 PID 2340 wrote to memory of 3444 2340 243845b7dc81d2c783c92ed4b8df4ee7.exe 87 PID 2340 wrote to memory of 3444 2340 243845b7dc81d2c783c92ed4b8df4ee7.exe 87 PID 2340 wrote to memory of 3444 2340 243845b7dc81d2c783c92ed4b8df4ee7.exe 87 PID 2340 wrote to memory of 3444 2340 243845b7dc81d2c783c92ed4b8df4ee7.exe 87 PID 2340 wrote to memory of 3444 2340 243845b7dc81d2c783c92ed4b8df4ee7.exe 87 PID 388 wrote to memory of 4328 388 ttiscjw 97 PID 388 wrote to memory of 4328 388 ttiscjw 97 PID 388 wrote to memory of 4328 388 ttiscjw 97 PID 388 wrote to memory of 4328 388 ttiscjw 97 PID 388 wrote to memory of 4328 388 ttiscjw 97 PID 388 wrote to memory of 4328 388 ttiscjw 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\243845b7dc81d2c783c92ed4b8df4ee7.exe"C:\Users\Admin\AppData\Local\Temp\243845b7dc81d2c783c92ed4b8df4ee7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Users\Admin\AppData\Local\Temp\243845b7dc81d2c783c92ed4b8df4ee7.exe"C:\Users\Admin\AppData\Local\Temp\243845b7dc81d2c783c92ed4b8df4ee7.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3444
-
-
C:\Users\Admin\AppData\Roaming\ttiscjwC:\Users\Admin\AppData\Roaming\ttiscjw1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:388 -
C:\Users\Admin\AppData\Roaming\ttiscjwC:\Users\Admin\AppData\Roaming\ttiscjw2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4328
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\ttiscjw
- Size 279KB
- SHA256 d63c73fa14a62b497216f71c6b726dbf4dcc7e65d2f96dc4d8db524aca948236
- MD5 243845b7dc81d2c783c92ed4b8df4ee7
- SHA1 5e5b829209e17eec4b0e670504c81b53d33f592c
- SHA512 da1a90e066add470f695608e8102f1e28377a2a7bbc60599f66d0d69b2e84a51a0aeab09688e93a0c151cf3c3274ff2b8c3fad8ccffbb3d50572381ac685824b
- SSDEEP 3072:L/XL67fDiwUPI++MGSLJYQi4JLRAa/KOLG5XVIjPuD:7+rD4PI++CLKaY2KmGbiuD
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\ttiscjw
- Size 279KB
- SHA256 d63c73fa14a62b497216f71c6b726dbf4dcc7e65d2f96dc4d8db524aca948236
- MD5 243845b7dc81d2c783c92ed4b8df4ee7
- SHA1 5e5b829209e17eec4b0e670504c81b53d33f592c
- SHA512 da1a90e066add470f695608e8102f1e28377a2a7bbc60599f66d0d69b2e84a51a0aeab09688e93a0c151cf3c3274ff2b8c3fad8ccffbb3d50572381ac685824b
- SSDEEP 3072:L/XL67fDiwUPI++MGSLJYQi4JLRAa/KOLG5XVIjPuD:7+rD4PI++CLKaY2KmGbiuD
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\ttiscjw
- Size 279KB
- SHA256 d63c73fa14a62b497216f71c6b726dbf4dcc7e65d2f96dc4d8db524aca948236
- MD5 243845b7dc81d2c783c92ed4b8df4ee7
- SHA1 5e5b829209e17eec4b0e670504c81b53d33f592c
- SHA512 da1a90e066add470f695608e8102f1e28377a2a7bbc60599f66d0d69b2e84a51a0aeab09688e93a0c151cf3c3274ff2b8c3fad8ccffbb3d50572381ac685824b
- SSDEEP 3072:L/XL67fDiwUPI++MGSLJYQi4JLRAa/KOLG5XVIjPuD:7+rD4PI++CLKaY2KmGbiuD
- MD5 SHA1 SHA512 SSDEEP