Analysis
- max time kernel
150s - max time network
30s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
17/12/2022, 04:31
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
9 signatures
150 seconds
General
- Target file.exe
- Size 213KB
- Sample221217-e5dneagb73
- SHA256 2a7e3dbe23dc9f6a5195874b76d0b161e56ec6db401eec3dbe12e9ba5b7e516d
- MD5 380fd2517d3a380ae00ec304f92739df
- SHA1 b66bbe04ace95c3f1a1e2bed77965f6d898a96b4
- SHA512 b3f7d95327e4d99ce536b11a7f64afde93ffe24d40febd369739603cf667bf26efe2b692841fc365f0dc7dcae02ed1b3e0ece1a39b0d3c2900909eb872e6c25d
- SSDEEP 3072:GlZgxtLGdOMcaTR0XNurWaFc0IPnMzzvCieFvLszr/Hv117Hw40zwUzQRKF+:IeLGdOnXNuro0zzqi4gzjv117Q40M2b
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2040-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2000-57-0x00000000003A0000-0x00000000003A9000-memory.dmp family_smokeloader behavioral1/memory/2040-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2040-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2040-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2000 set thread context of 2040 2000 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 2040 file.exe 2040 file.exe 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found 1276 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1276 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2040 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2000 wrote to memory of 2040 2000 file.exe 28 PID 2000 wrote to memory of 2040 2000 file.exe 28 PID 2000 wrote to memory of 2040 2000 file.exe 28 PID 2000 wrote to memory of 2040 2000 file.exe 28 PID 2000 wrote to memory of 2040 2000 file.exe 28 PID 2000 wrote to memory of 2040 2000 file.exe 28 PID 2000 wrote to memory of 2040 2000 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:2000 -
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:2040
-