Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
30/01/2023, 05:41
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 202KB
- Sample230130-gdeshaba31
- SHA256 1efda1c49d34fbe3caffefdd20ae22036ecb25d30738e3463df96b1dec4955dc
- MD5 2715a4964a506b50cdc0065890a79218
- SHA1 f5b8408839aff0b008c053c8abad43caab5cbd12
- SHA512 6cd2e0790f47aea248add26f2397f0d4ea960b9128021ebdb78468d71fb535e65d056e51784f2aa2145c3760fc7d484959938cf16e7ddefa18ae28559e2b3b7a
- SSDEEP 3072:UBN3VkR0ayELpmUC5DMR1U0sVErfe2w6j4vk4LwkNWH9WAmaxl:s1ELpmUkZVCjwzvk4sD9Rmaj
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1364-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1364-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1536-58-0x00000000001B0000-0x00000000001B9000-memory.dmp family_smokeloader behavioral1/memory/1364-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1364-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1536 set thread context of 1364 1536 file.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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1364 file.exe 1364 file.exe 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1252 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1364 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1536 wrote to memory of 1364 1536 file.exe 28 PID 1536 wrote to memory of 1364 1536 file.exe 28 PID 1536 wrote to memory of 1364 1536 file.exe 28 PID 1536 wrote to memory of 1364 1536 file.exe 28 PID 1536 wrote to memory of 1364 1536 file.exe 28 PID 1536 wrote to memory of 1364 1536 file.exe 28 PID 1536 wrote to memory of 1364 1536 file.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1536 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1364
-