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
19/01/2023, 23:03
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
win10v2004-20220901-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 193KB
- Sample230119-21nn5sef21
- SHA256 4585ad40565fc4affdc2d4dbbb7f786377b3d4404fbdbf3a8a1246ccfa388452
- MD5 9e3c008576c6d9aac40674406b30b60d
- SHA1 cf6ca3cbabafbfaec82f58653e7043f06909946b
- SHA512 0ee280b192647f37b9ee651493fa34372d5ac71c015415143be7c82826043fa058841a89df0f2fa45e88b393b65e0ffe9da7681f16029accc7f7de0561df5d04
- SSDEEP 3072:SzZBN4X32TJ73dJuK7YIbyUW5fzClePLCmMTHTJdFYxQIm50XrFZO0Gnyv:kqiJx8hIb1szCsOzJdexNe0Xrji
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/788-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/788-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1404-57-0x00000000003A0000-0x00000000003A9000-memory.dmp family_smokeloader behavioral1/memory/788-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/788-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1404 set thread context of 788 1404 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 788 file.exe 788 file.exe 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found 1224 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 788 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1404 wrote to memory of 788 1404 file.exe 28 PID 1404 wrote to memory of 788 1404 file.exe 28 PID 1404 wrote to memory of 788 1404 file.exe 28 PID 1404 wrote to memory of 788 1404 file.exe 28 PID 1404 wrote to memory of 788 1404 file.exe 28 PID 1404 wrote to memory of 788 1404 file.exe 28 PID 1404 wrote to memory of 788 1404 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:1404 -
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:788
-