Analysis
- max time kernel
152s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
09/12/2022, 20:10
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 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 319KB
- Sample221209-yxpkgsha6w
- SHA256 5e0fd69db9a9beedf4dc3ec1c55314b6131a62998235cd6c42bb0e21f02cd539
- MD5 edcaa58fad2d8a5370affeae4b9596df
- SHA1 888eeb8a2dc19c3ec486264121292d6cca009464
- SHA512 68a61ada52e9cb4886cc06712775d825bc16b47ddc4bbdb1a81dc04f6df2cd648667a97c1533f3b72bc2186d585c642bb150ac03942743c5552b16d74ca61ac7
- SSDEEP 6144:TGQZLUKdP6/ndeVg4A9grP+mJr0L8PvSkPch1eFL2Fag:TDoKdy1eVD9F0L8P7UgFLa
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1096-133-0x00000000004D0000-0x00000000004D9000-memory.dmp family_smokeloader behavioral2/memory/4700-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4700-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4700-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1096 set thread context of 4700 1096 file.exe 80 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4700 file.exe 4700 file.exe 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2712 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4700 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1096 wrote to memory of 4700 1096 file.exe 80 PID 1096 wrote to memory of 4700 1096 file.exe 80 PID 1096 wrote to memory of 4700 1096 file.exe 80 PID 1096 wrote to memory of 4700 1096 file.exe 80 PID 1096 wrote to memory of 4700 1096 file.exe 80 PID 1096 wrote to memory of 4700 1096 file.exe 80
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:1096 -
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:4700
-