Analysis
-
max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24/12/2022, 22:46
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
file.exe
-
Size
224KB
-
MD5
681a49edc54c23fa30911ad832d1886d
-
SHA1
f9df28fbb5c87336e2faa66b5b837c840f8d7c95
-
SHA256
8fddc06ca1a6223556ad75ad40a318fd55571bb42d4f6cc82fc506102ad39079
-
SHA512
4d9cb88ea72c8096576336f7c6829a04699f64abbce67f7b8398838b8cc266001f4ecfa481b3c669c7140a43195e2ea6c311f76d1f54b425d273e320bd858179
-
SSDEEP
3072:5KEjJLDcW65bUsmPci3nhrqOTTmBnauDgodXayf/ln:9LDZxsXi3hqOTSBnaMgST
Score
10/10
Malware Config
Signatures
-
Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3552-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3448-135-0x00000000005E0000-0x00000000005E9000-memory.dmp family_smokeloader behavioral2/memory/3552-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3552-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3448 set thread context of 3552 3448 file.exe 81 -
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 3552 file.exe 3552 file.exe 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found 512 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 512 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3552 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3448 wrote to memory of 3552 3448 file.exe 81 PID 3448 wrote to memory of 3552 3448 file.exe 81 PID 3448 wrote to memory of 3552 3448 file.exe 81 PID 3448 wrote to memory of 3552 3448 file.exe 81 PID 3448 wrote to memory of 3552 3448 file.exe 81 PID 3448 wrote to memory of 3552 3448 file.exe 81
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:3448 -
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:3552
-