Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
25/01/2023, 09:39
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
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 342KB
- Sample230125-lml1dsff25
- SHA256 e0ddfb5a3473969006cc485d8040b5321bc3769e7a5f5dfd7a8a9e5fe1227ac6
- MD5 87a0c1c312f80b7750ebee3ac4c0670c
- SHA1 a0738269e1b869c914767811145149b63db3ae61
- SHA512 47dab64a859dec1bfb640316daeede9fe26e50f703f73c4e7ceea2c67d4555279a338e7a6d6c41c5255d970c83f939981564a2b3d8fb3a6cc3b6ba10e031c625
- SSDEEP 6144:C9YLM8gPcKQiDKXQmSrweFS0bO+n1QybGDjq7VWRFBMolz90BB:wY4rhQKo2Q3O77VWR5lzKB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1748-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1488-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1748-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1748-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1748-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1488 set thread context of 1748 1488 file.exe 28 - 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 1748 file.exe 1748 file.exe 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1208 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1748 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1488 wrote to memory of 1748 1488 file.exe 28 PID 1488 wrote to memory of 1748 1488 file.exe 28 PID 1488 wrote to memory of 1748 1488 file.exe 28 PID 1488 wrote to memory of 1748 1488 file.exe 28 PID 1488 wrote to memory of 1748 1488 file.exe 28 PID 1488 wrote to memory of 1748 1488 file.exe 28 PID 1488 wrote to memory of 1748 1488 file.exe 28
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:1488 -
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:1748
-