Analysis
- max time kernel
152s - max time network
41s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
09/02/2023, 04:24
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
8 signatures
150 seconds
General
- Target file.exe
- Size 321KB
- Sample230209-e1c63sbg5v
- SHA256 f8c224b37156e1866b3d0e67d8b7a9ce91a75952939c838bff2f2ca6574318de
- MD5 d71342978492c49e0caacca9bb22fcb3
- SHA1 0123ac331f78b86e45c45194360daa9aab75e244
- SHA512 bfc88c14984eb7bb44d33acb34472bdcaf0af9cd7e183627e8c56c6df3c0d374cc53dfda5b71008ee4832f5b1b80679ede9cc537b74b2b066dadf83a49aecc03
- SSDEEP 3072:yPEYRAfsQWPRdOQt6t4nM0DqPUFbG98cRv1nDi76PCQENe+pGSY3rnYz3:yMY47A5Qt4XHi9jt/KQkeQGSYbnI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1860-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1860-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1720-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1860-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1860-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1720 set thread context of 1860 1720 file.exe 26 - 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 1860 file.exe 1860 file.exe 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found 1400 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1860 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1720 wrote to memory of 1860 1720 file.exe 26 PID 1720 wrote to memory of 1860 1720 file.exe 26 PID 1720 wrote to memory of 1860 1720 file.exe 26 PID 1720 wrote to memory of 1860 1720 file.exe 26 PID 1720 wrote to memory of 1860 1720 file.exe 26 PID 1720 wrote to memory of 1860 1720 file.exe 26 PID 1720 wrote to memory of 1860 1720 file.exe 26
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:1720 -
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:1860
-