Analysis
- max time kernel
151s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
19/10/2022, 11:12
Static task
static1
Behavioral task
behavioral1
Sample
2586d1061522e913b28148105f12417a.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2586d1061522e913b28148105f12417a.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 2586d1061522e913b28148105f12417a.exe
- Size 230KB
- Sample221019-nat7cafhdr
- SHA256 d5e3adb146e7b49bef24ad7fd2982f2c1d927da3bdcb5c440d531fa7a7de6d16
- MD5 2586d1061522e913b28148105f12417a
- SHA1 32dd803727737072c040b208a32059e24799033e
- SHA512 5690eea01653e312847690cc00c07592758710b97fbba4a2298394217a07c8121c87cca2eb653a43e858998d5fcd522c94d88b5b2054155016d9e93df59e5115
- SSDEEP 3072:PAn8OodvwmRHTLxvoqWOHfy+siC+j+PU5Sq5KNIbHt4kdpmtaWi/r:PATopzLloq/X3jXSccuakDia/
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4084-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4508-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/4084-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4084-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4508 set thread context of 4084 4508 2586d1061522e913b28148105f12417a.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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2586d1061522e913b28148105f12417a.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2586d1061522e913b28148105f12417a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2586d1061522e913b28148105f12417a.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4084 2586d1061522e913b28148105f12417a.exe 4084 2586d1061522e913b28148105f12417a.exe 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1272 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4084 2586d1061522e913b28148105f12417a.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4508 wrote to memory of 4084 4508 2586d1061522e913b28148105f12417a.exe 81 PID 4508 wrote to memory of 4084 4508 2586d1061522e913b28148105f12417a.exe 81 PID 4508 wrote to memory of 4084 4508 2586d1061522e913b28148105f12417a.exe 81 PID 4508 wrote to memory of 4084 4508 2586d1061522e913b28148105f12417a.exe 81 PID 4508 wrote to memory of 4084 4508 2586d1061522e913b28148105f12417a.exe 81 PID 4508 wrote to memory of 4084 4508 2586d1061522e913b28148105f12417a.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\2586d1061522e913b28148105f12417a.exe"C:\Users\Admin\AppData\Local\Temp\2586d1061522e913b28148105f12417a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Users\Admin\AppData\Local\Temp\2586d1061522e913b28148105f12417a.exe"C:\Users\Admin\AppData\Local\Temp\2586d1061522e913b28148105f12417a.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4084
-