Analysis
- max time kernel
150s - max time network
30s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
16/12/2022, 18:09
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 214KB
- Sample221216-wrfdhsfb89
- SHA256 f74dd5fa6d702e49c5015da44a611dade59605d2eed0438c5fa58b189a27bbf7
- MD5 2a7d73ee42b1c0d4669cc81800c605f5
- SHA1 d9d66291ca43d0d45914f3e034ad7b32ed106978
- SHA512 00e355afc78cc0dbc4675d7773f6e05fee00f444a6318a0b95907440eae49b771502d53720a3952da1bbc06128dffbcf2dce5eac258a2794f683c4724ff58ec7
- SSDEEP 3072:MJquEydLmyjD0RErZahFyI81VCv60LszWVaNx40zwUzQRKF+:gq78LnjHrmk1U60gzVx40M2b
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1764-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2012-59-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1764-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1764-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1764-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2012 set thread context of 1764 2012 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 1764 file.exe 1764 file.exe 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1212 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1764 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2012 wrote to memory of 1764 2012 file.exe 27 PID 2012 wrote to memory of 1764 2012 file.exe 27 PID 2012 wrote to memory of 1764 2012 file.exe 27 PID 2012 wrote to memory of 1764 2012 file.exe 27 PID 2012 wrote to memory of 1764 2012 file.exe 27 PID 2012 wrote to memory of 1764 2012 file.exe 27 PID 2012 wrote to memory of 1764 2012 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:2012 -
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:1764
-