Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
04/10/2022, 14:58
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target file.exe
- Size 266KB
- Sample221004-sb6c8abcc5
- SHA256 b72f608781b5ed19f12d55552b6c388df7ee4fda7fe21ae030bca95a2ccc9dcc
- MD5 a46b0474a13cd1f2f867f1a4d430a16b
- SHA1 d453b3b95a2d3baf705f5c44e79e3e32f0afb195
- SHA512 f836226d1c0e5870d129e504f3bc545a50d2c28a545cd4c5ba39e14863d323e4b4ff81b5059b45299036391302cf84a3a3120d3741ddbbe52f62c51bbca5e4c8
- SSDEEP 3072:qXhF5n+3L/APcCcdD1P45G8pgx/7qrT9CEW/iDXXZGrhWrxpzbgqruTN0/gpZa9R:KVOLBdDQrv4uDnyhuzbgwuy4wVfh
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/1964-134-0x00000000004C0000-0x00000000004C9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 4940 whrgftt - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI whrgftt 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI whrgftt Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI whrgftt - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1964 file.exe 1964 file.exe 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found 3036 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3036 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1964 file.exe 4940 whrgftt
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1964
-
C:\Users\Admin\AppData\Roaming\whrgfttC:\Users\Admin\AppData\Roaming\whrgftt1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4940
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\whrgftt
- Size 266KB
- SHA256 b72f608781b5ed19f12d55552b6c388df7ee4fda7fe21ae030bca95a2ccc9dcc
- MD5 a46b0474a13cd1f2f867f1a4d430a16b
- SHA1 d453b3b95a2d3baf705f5c44e79e3e32f0afb195
- SHA512 f836226d1c0e5870d129e504f3bc545a50d2c28a545cd4c5ba39e14863d323e4b4ff81b5059b45299036391302cf84a3a3120d3741ddbbe52f62c51bbca5e4c8
- SSDEEP 3072:qXhF5n+3L/APcCcdD1P45G8pgx/7qrT9CEW/iDXXZGrhWrxpzbgqruTN0/gpZa9R:KVOLBdDQrv4uDnyhuzbgwuy4wVfh
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\whrgftt
- Size 266KB
- SHA256 b72f608781b5ed19f12d55552b6c388df7ee4fda7fe21ae030bca95a2ccc9dcc
- MD5 a46b0474a13cd1f2f867f1a4d430a16b
- SHA1 d453b3b95a2d3baf705f5c44e79e3e32f0afb195
- SHA512 f836226d1c0e5870d129e504f3bc545a50d2c28a545cd4c5ba39e14863d323e4b4ff81b5059b45299036391302cf84a3a3120d3741ddbbe52f62c51bbca5e4c8
- SSDEEP 3072:qXhF5n+3L/APcCcdD1P45G8pgx/7qrT9CEW/iDXXZGrhWrxpzbgqruTN0/gpZa9R:KVOLBdDQrv4uDnyhuzbgwuy4wVfh
- MD5 SHA1 SHA512 SSDEEP