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, 22:55
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 267KB
- Sample230110-2v4headf81
- SHA256 6686292ecfa89da549ea05da21979dde6fb3a002e8c864c2e0d21d8d41f8bedc
- MD5 c02b6c4544f8902c9de20bc988f7f0f5
- SHA1 ba31fbabd10337fecb27690d3cdf95b501a14355
- SHA512 6571bbbcf534874989e7aba5e14902f75be8b307641f44dd9d1a2415334d73b6feb2b70023506f9c8991050019a429920f915d575f2d2846622c257f9284cc41
- SSDEEP 3072:SXEpUMqHUkLUNXFb05OHsuyOD/P1NT7VpuhLBNCanng0Pb:Sx0kLCbYs/jfiNng6
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2012-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2012-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1304-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/2012-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2012-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1304 set thread context of 2012 1304 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 2012 file.exe 2012 file.exe 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found 1200 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1200 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2012 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1304 wrote to memory of 2012 1304 file.exe 27 PID 1304 wrote to memory of 2012 1304 file.exe 27 PID 1304 wrote to memory of 2012 1304 file.exe 27 PID 1304 wrote to memory of 2012 1304 file.exe 27 PID 1304 wrote to memory of 2012 1304 file.exe 27 PID 1304 wrote to memory of 2012 1304 file.exe 27 PID 1304 wrote to memory of 2012 1304 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:1304 -
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:2012
-