Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/01/2023, 02:34
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 187KB
- Sample230103-c2fmgscf8v
- SHA256 12cc22da6901d5fc26e8f2d3ee79a1c346f83a7ae43e25d1384e1df23d9adb69
- MD5 ae6483c62cd0ca82e6eca27a41919bc9
- SHA1 6190875b0c3a41055e6ef05c6d76390ebda977d2
- SHA512 3cec5a13442d4a22e5a4188ce7000d3caf189609411cf6eda8895783e2eceb9fa8c1a90eb24e081dc3f5532395a8bd11eafee4732cc386ac6b1be8def8d242a6
- SSDEEP 3072:HQ3QXLIu2s+5uuICYP7Ti8k9iAqIflYInUS3ZhdMufL:wSLmskY/i8iiAqW3RrdMuT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1248-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/764-135-0x00000000004C0000-0x00000000004C9000-memory.dmp family_smokeloader behavioral2/memory/1248-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1248-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 764 set thread context of 1248 764 file.exe 80 - 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 1248 file.exe 1248 file.exe 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found 2432 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2432 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1248 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 764 wrote to memory of 1248 764 file.exe 80 PID 764 wrote to memory of 1248 764 file.exe 80 PID 764 wrote to memory of 1248 764 file.exe 80 PID 764 wrote to memory of 1248 764 file.exe 80 PID 764 wrote to memory of 1248 764 file.exe 80 PID 764 wrote to memory of 1248 764 file.exe 80
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:764 -
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:1248
-