Analysis
- max time kernel
150s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
15/12/2022, 02:44
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 231KB
- Sample221215-c75tkabe97
- SHA256 0d8fe596d820fa57294d525de76da3225e505dcd2ed19ee1e7535453df59dfaf
- MD5 e741a26cec6435add375d119ee9783af
- SHA1 6fdf471855c6e677f0a420f0bfa2316d771da6ee
- SHA512 338d52866292f477f39095b8e86b211e89e50d8ec41fa0916c13dc652b681893fa194d114d085c1556dba7f340ad685ffe5973252e87c05d52d238c3f875bf07
- SSDEEP 6144:mateSt3mLQHNt2IUL6jyTkEQbcdtx/BDZ:tteSt28H/cj9dtxZDZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1588-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4832-138-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/1588-139-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1588-140-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4832 set thread context of 1588 4832 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 1588 file.exe 1588 file.exe 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3068 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1588 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4832 wrote to memory of 1588 4832 file.exe 81 PID 4832 wrote to memory of 1588 4832 file.exe 81 PID 4832 wrote to memory of 1588 4832 file.exe 81 PID 4832 wrote to memory of 1588 4832 file.exe 81 PID 4832 wrote to memory of 1588 4832 file.exe 81 PID 4832 wrote to memory of 1588 4832 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:4832 -
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:1588
-