Analysis
- max time kernel
151s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
20/01/2023, 13:50
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 331KB
- Sample230120-q489gaba45
- SHA256 4d6e2facef958e69afa91f2ba5b2e832a2f14f1c043728ae320d8daaf29fa51b
- MD5 51642727984edcb308962b0662fd5bd5
- SHA1 4def9a9025299128278d4630bc2adee1fa6e8672
- SHA512 86ab4a645c78681d942cbc526e51349892bd30045972b5ed2972949163a84965cb1a14455ffb2c6c3f34f751ebbdc7afcd4c456a16fdc68e55577fa07b7df16c
- SSDEEP 3072:BxzBmLtKSHJchj5Wsg1/k/eqAqDbEi6rtMqtGZbGJcZJmZAgBUDkCQ2Eg9BSpx2D:ILDHJ9b1829EE2rtGedgCoZsBhTXO55
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1576-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3552-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/1576-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1576-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3552 set thread context of 1576 3552 file.exe 84 - 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 1576 file.exe 1576 file.exe 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found 2648 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2648 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1576 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3552 wrote to memory of 1576 3552 file.exe 84 PID 3552 wrote to memory of 1576 3552 file.exe 84 PID 3552 wrote to memory of 1576 3552 file.exe 84 PID 3552 wrote to memory of 1576 3552 file.exe 84 PID 3552 wrote to memory of 1576 3552 file.exe 84 PID 3552 wrote to memory of 1576 3552 file.exe 84
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:3552 -
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:1576
-