Analysis
- max time kernel
151s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
12/01/2023, 09:24
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 268KB
- Sample230112-lc2cbsff33
- SHA256 9506b0166fdc55d0feb441b2b59ebd2a42a54fc0c9c91151877aedb1e1725e94
- MD5 f32d95bf867f99fae83519d8e4bb6c06
- SHA1 e7ee289987e567eda5f49d64a00472027964ece5
- SHA512 fb26be03fd098791a44a28ee180bdbad2a6ac0cd9799b0879e5f1a2bd247f37da22a43866ecf4ec88eb9f4513a62ccb8313d8d700725c714d1fdfa825e9941c1
- SSDEEP 3072:TnvXEaxeX1LEa9T2QsuN5L2o39J4FSJjg1hLhgFb9x3zm4Px76b5qWbyajt:TfC1LUQsuL2q9umg7hCjm45gq+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4708-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2732-135-0x0000000002D60000-0x0000000002D69000-memory.dmp family_smokeloader behavioral2/memory/4708-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4708-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2732 set thread context of 4708 2732 file.exe 84 - 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 4708 file.exe 4708 file.exe 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found 2764 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2764 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4708 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2732 wrote to memory of 4708 2732 file.exe 84 PID 2732 wrote to memory of 4708 2732 file.exe 84 PID 2732 wrote to memory of 4708 2732 file.exe 84 PID 2732 wrote to memory of 4708 2732 file.exe 84 PID 2732 wrote to memory of 4708 2732 file.exe 84 PID 2732 wrote to memory of 4708 2732 file.exe 84
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:2732 -
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:4708
-