Analysis
- max time kernel
150s - max time network
118s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
09/01/2023, 01:56
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
10 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 260KB
- Sample230109-ccn8bsbb59
- SHA256 3f1267bfd1c3bec6b2223cbd715c465bea9c8bd4da8f552cebca559c71470351
- MD5 83d615014b4cc01e691ae61dbbc9fbcd
- SHA1 bf863d1f0d4fe0148b9edeff74b2821bf850f4ca
- SHA512 840130470437a1b37ca66d29620726c010af3104919861ee9221f753f2dfbe6b98068bedf2e59063d38936de86b917ac194eb04e86aa0ae3cf18dc96c1dcb37f
- SSDEEP 3072:W2XEWqUuvL17VDduBGl15GOftTxZQ8jCR+b/zqkAcF4pF9hZCRRzMuWZgd3n:/aLfDduBGMYTzjvb0cqgd3
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/968-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/968-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1248-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/968-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/968-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1248 set thread context of 968 1248 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 968 file.exe 968 file.exe 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1232 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 968 file.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1232 Process not Found 1232 Process not Found - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1232 Process not Found 1232 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1248 wrote to memory of 968 1248 file.exe 28 PID 1248 wrote to memory of 968 1248 file.exe 28 PID 1248 wrote to memory of 968 1248 file.exe 28 PID 1248 wrote to memory of 968 1248 file.exe 28 PID 1248 wrote to memory of 968 1248 file.exe 28 PID 1248 wrote to memory of 968 1248 file.exe 28 PID 1248 wrote to memory of 968 1248 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:1248 -
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:968
-