Analysis
- max time kernel
150s - max time network
45s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
07/02/2023, 01:19
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
win10v2004-20221111-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target file.exe
- Size 299KB
- Sample230207-bph2eagh37
- SHA256 13af9de5b7f7fca27f2a3f71f6139d0dd5a4fb64718252df02c3504000f713cb
- MD5 6d009a731642082c57d26e3525e57456
- SHA1 616815562a16e5fe87a514eaebf3d560f4a5f527
- SHA512 24f9677da85f894f6e3e0102cdb5aeb6e7cb3d8bc8efe49361fe8c00d2be9e3f81ee7f4485011975565dfa42b5a78b36ede1c8c4913516bcfb827e276af8a7f3
- SSDEEP 3072:Kab6bldLYwRm5GO6bBiBQdk3SHvRuQjiMTE5y8a5H:fWdLY3ybBiBkpPRuQj9b8a
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1624-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1624-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1388-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1624-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1624-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1388 set thread context of 1624 1388 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 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 1624 file.exe 1624 file.exe 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1624 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1388 wrote to memory of 1624 1388 file.exe 28 PID 1388 wrote to memory of 1624 1388 file.exe 28 PID 1388 wrote to memory of 1624 1388 file.exe 28 PID 1388 wrote to memory of 1624 1388 file.exe 28 PID 1388 wrote to memory of 1624 1388 file.exe 28 PID 1388 wrote to memory of 1624 1388 file.exe 28 PID 1388 wrote to memory of 1624 1388 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:1388 -
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:1624
-