Analysis
- max time kernel
151s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/12/2022, 02:15
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 245KB
- Sample221229-cplb7sfc2s
- SHA256 6d38e4cfb9a6226b56b66e889245cbe00f95cbe3733b6d29f9b9934c7c183bf4
- MD5 6e3f084aba75c775358f6fb235787770
- SHA1 a45ef3f14e0515c71fd7963b9a1eff2401668420
- SHA512 5fa951160aee0a92a18600fc13945a5107624a90cdf3c88605767ecc1025ab8d10f3672b3360767aae44493f1f63dffe42194b367aa5088069f557395eb790c8
- SSDEEP 3072:ZfdLfBC5MbecxTfRRJ6jduEFL/ebtPvVwwDDtdmdhmUXG83H:XLf7ewR+gE9WVwiDtmmUXT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2220-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1032-135-0x00000000021A0000-0x00000000021A9000-memory.dmp family_smokeloader behavioral2/memory/2220-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2220-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1032 set thread context of 2220 1032 file.exe 79 - 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 2220 file.exe 2220 file.exe 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found 2152 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2152 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2220 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1032 wrote to memory of 2220 1032 file.exe 79 PID 1032 wrote to memory of 2220 1032 file.exe 79 PID 1032 wrote to memory of 2220 1032 file.exe 79 PID 1032 wrote to memory of 2220 1032 file.exe 79 PID 1032 wrote to memory of 2220 1032 file.exe 79 PID 1032 wrote to memory of 2220 1032 file.exe 79
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:1032 -
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:2220
-