Analysis
-
max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
06/02/2023, 12:12
Static task
static1
Behavioral task
behavioral1
Sample
b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
11 signatures
150 seconds
General
-
Target
b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe
-
Size
325KB
-
MD5
cb28cb6a4479bdcf031e1cfbceec7349
-
SHA1
dac836b25d613946262c98f2970932d7a9ed72ac
-
SHA256
b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da
-
SHA512
ff6cd2b5fefe6ee0f55e677c7f306c8a1325fafd76a88b9654d39ad9a01846b28e31f37934de22d345be6be182e58788814ceb206557bb9b0515ff5e1e40ad4c
-
SSDEEP
6144:ExZLEmS0cqqF+yZ+9whUK/z20alQQGuk6oeC8L:ExZImSgf1uQGrmC8
Score
10/10
Malware Config
Signatures
-
Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/3088-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4656-135-0x0000000000520000-0x0000000000529000-memory.dmp family_smokeloader behavioral1/memory/3088-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3088-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4656 set thread context of 3088 4656 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.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 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3088 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe 3088 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3060 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3088 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3060 Process not Found Token: SeCreatePagefilePrivilege 3060 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3060 Process not Found 3060 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4656 wrote to memory of 3088 4656 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe 81 PID 4656 wrote to memory of 3088 4656 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe 81 PID 4656 wrote to memory of 3088 4656 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe 81 PID 4656 wrote to memory of 3088 4656 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe 81 PID 4656 wrote to memory of 3088 4656 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe 81 PID 4656 wrote to memory of 3088 4656 b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe"C:\Users\Admin\AppData\Local\Temp\b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Users\Admin\AppData\Local\Temp\b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe"C:\Users\Admin\AppData\Local\Temp\b2d67b33662d67cf67df6e52227008a0a9d782907814e098cebb12c1159c02da.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3088
-