Analysis
- max time kernel
157s - max time network
162s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
18/01/2023, 14:30
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 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 340KB
- Sample230118-rt6ahaag89
- SHA256 74c090b7659576d60eee1ffd8ebc6e565c79b338b99290afdac980dedf986c9a
- MD5 261b4134182682be187d3e98a0ae875d
- SHA1 55062b26550c0f9da5f111a6995cbab184f27582
- SHA512 950f619b4e2c5a99ff793cabd16250050257ea40da01fce662563fc222655eb823971487350a4dc0e2a3d79a60ff85965338f62016d71dd65373f8d3010d57e6
- SSDEEP 6144:sfY6rnaLG0y108hXZMgnXyCFvOPZElnyHSx2GNYh:sQ6rna5yW8pZMAXzOkTx5
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3356-133-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/1800-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1800-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1800-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3356 set thread context of 1800 3356 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 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 1800 file.exe 1800 file.exe 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found 964 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 964 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1800 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3356 wrote to memory of 1800 3356 file.exe 80 PID 3356 wrote to memory of 1800 3356 file.exe 80 PID 3356 wrote to memory of 1800 3356 file.exe 80 PID 3356 wrote to memory of 1800 3356 file.exe 80 PID 3356 wrote to memory of 1800 3356 file.exe 80 PID 3356 wrote to memory of 1800 3356 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:3356 -
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:1800
-