Analysis
- max time kernel
150s - max time network
49s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
10/01/2023, 08:21
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 279KB
- Sample230110-j82lvsbb6w
- SHA256 1cffbd2f953de7ca2483423683e992a7d1e9e1bec027dc202470caedf55ac172
- MD5 f68a5bb6d99388d54304fb4acb141c5f
- SHA1 11db1f2517b8cf5aedbb67516d1e311bfea113c9
- SHA512 818b75378c59206e0e991643d3cd5556a18bbbdc4e2439d76e4df80d7ba9aed8fe6383b323f1e7402a405c7f02780e529e8b19e1fd6b03bd24ba3fed7bea89b0
- SSDEEP 3072:HGXEZ+/OrL/HQsGIZvn05K4ugQjgA5NBXS7AxAr50iOHoWNaD4Ze07rCt95o1:ObGLIsGIZvn94TQjgA7BlU+vf7r/
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/820-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/820-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2036-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/820-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/820-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2036 set thread context of 820 2036 file.exe 27 - 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 820 file.exe 820 file.exe 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found 1348 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1348 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 820 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2036 wrote to memory of 820 2036 file.exe 27 PID 2036 wrote to memory of 820 2036 file.exe 27 PID 2036 wrote to memory of 820 2036 file.exe 27 PID 2036 wrote to memory of 820 2036 file.exe 27 PID 2036 wrote to memory of 820 2036 file.exe 27 PID 2036 wrote to memory of 820 2036 file.exe 27 PID 2036 wrote to memory of 820 2036 file.exe 27
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:2036 -
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:820
-