Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
19/01/2023, 10:54
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 186KB
- Sample230119-mzktjacf71
- SHA256 bd8f746d8a8277c72ddfd3aa3ce36dfa4c8994b9d4eb045861fb0b2fcba8d585
- MD5 04ca7929536d08349c433e33695f0d41
- SHA1 8ef64ec7f0971cdca1cf1e54a4a810a6b7781054
- SHA512 1bbe09363cee49cc35c6a7539146ba73dfe5c840377282f50ef998e2f7f181173360a0e4785313ceaf48dbfdd658909c5a3f60b44a6526e9899b62df8a6754cd
- SSDEEP 3072:fXEv38OmPa8hUDox5O4KKOhsBI9kQGhVXyLdabCX:PSWUDo+PsXGi
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral2/memory/2180-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1960-135-0x00000000048D0000-0x00000000048D9000-memory.dmp family_smokeloader behavioral2/memory/2180-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2180-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2180-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1960 set thread context of 2180 1960 file.exe 79 - 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 2180 file.exe 2180 file.exe 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found 784 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 784 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2180 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1960 wrote to memory of 2180 1960 file.exe 79 PID 1960 wrote to memory of 2180 1960 file.exe 79 PID 1960 wrote to memory of 2180 1960 file.exe 79 PID 1960 wrote to memory of 2180 1960 file.exe 79 PID 1960 wrote to memory of 2180 1960 file.exe 79 PID 1960 wrote to memory of 2180 1960 file.exe 79
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:1960 -
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:2180
-