Analysis
- max time kernel
150s - max time network
31s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
22/01/2023, 00:24
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 195KB
- Sample230122-ap2cbagc8z
- SHA256 ccfed9e78d9b8630eee643f3f4a31e33077405db309ea1b61d70c634a00f9b49
- MD5 2f2538693b213911b35276bfc80a59be
- SHA1 b5c763371780ab89ac4341fe41d21c31b9dd7fff
- SHA512 169845ad88d7f3e0b3fe861d129f6474fca1896db89014fd1e086915e675d994f0cc5913d1565c874390d7c28aa004c0c0f2643426cb448adf83b84bef660d47
- SSDEEP 3072:9BN4X3V7DNUKhLqR99h4W5CxPkWAxfvWJSbQtffKgk4Lj0QQ:DmAMLqD9h4LdkWA1eSbcyn4LIQ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1684-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1684-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/836-59-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1684-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1684-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 836 set thread context of 1684 836 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 1684 file.exe 1684 file.exe 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1232 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1684 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 836 wrote to memory of 1684 836 file.exe 28 PID 836 wrote to memory of 1684 836 file.exe 28 PID 836 wrote to memory of 1684 836 file.exe 28 PID 836 wrote to memory of 1684 836 file.exe 28 PID 836 wrote to memory of 1684 836 file.exe 28 PID 836 wrote to memory of 1684 836 file.exe 28 PID 836 wrote to memory of 1684 836 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:836 -
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:1684
-