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
03/01/2023, 16:18
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
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 319KB
- Sample230103-trytrafb8v
- SHA256 2c98d72eb39b452488d267b7b90000f1c35feb97736f8ae206a7d284aa3cb5f3
- MD5 9ef8dd8308e8d742f456fd7a2e3601f1
- SHA1 e9a9c353c381080ce9a3da8b828c4a6e14cdfc89
- SHA512 97c426f8c7ff87feee8a2fd00a7f5c12f4f7cb647bc0784f94caf611f4214021ff3c26f4bbc12cb7a4b6fed5d7b34422867d2f58e43decd7c98cc19598a19a5d
- SSDEEP 6144:6L41iTSj9x7z1xpBrCDeswaIOk+1FjAXTM4xVe+ew:6c1iTSn7z7pZO/FWTMEQ+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2012-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2012-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1800-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/2012-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2012-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1800 set thread context of 2012 1800 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 2012 file.exe 2012 file.exe 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1208 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2012 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1800 wrote to memory of 2012 1800 file.exe 28 PID 1800 wrote to memory of 2012 1800 file.exe 28 PID 1800 wrote to memory of 2012 1800 file.exe 28 PID 1800 wrote to memory of 2012 1800 file.exe 28 PID 1800 wrote to memory of 2012 1800 file.exe 28 PID 1800 wrote to memory of 2012 1800 file.exe 28 PID 1800 wrote to memory of 2012 1800 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:1800 -
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:2012
-