Analysis
- max time kernel
150s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
14/12/2022, 15:01
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target file.exe
- Size 233KB
- Sample221214-sdvz9sdb21
- SHA256 024931f106c53cc61257a5dff3220d6ffb692d68f810c842a6d9fb08b3b74dfe
- MD5 4152dd7ab9656549c526c4039488de98
- SHA1 f4e053799e1e342347a85537f9778f200826b622
- SHA512 2cfa95211fe940a61591c2c531bf83c96f6d835156e5f951b2f21db17878da3067d9dd12e0c36320ece731e1384349ec96bcf49beedee8e15df5141373d0fc2a
- SSDEEP 3072:7bh7Fo3cLagSvs9f56H4eqc5yGJsc+gds9y2XCJjQDxKYIsWgovH6py:Ph7FCcLqvsyHNQwBts94+IHJv6o
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/5100-133-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 3624 D0C2.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3004 3624 WerFault.exe 87 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process 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 file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5100 file.exe 5100 file.exe 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 684 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5100 file.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 684 wrote to memory of 3624 684 Process not Found 87 PID 684 wrote to memory of 3624 684 Process not Found 87 PID 684 wrote to memory of 3624 684 Process not Found 87
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:5100
-
C:\Users\Admin\AppData\Local\Temp\D0C2.exeC:\Users\Admin\AppData\Local\Temp\D0C2.exe1⤵
- Executes dropped EXE
PID:3624 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 2642⤵
- Program crash
PID:3004
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3624 -ip 36241⤵PID:4176
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\D0C2.exe
- Size 2.9MB
- SHA256 9c1239232b71f1f83e3d23e2f256539688c2513ca2e87a7ac7a7a1f4e5c07708
- MD5 4581b61ac8ccc15c33e9e74f958396d2
- SHA1 1d8b71a910e1b3f3227c535892503b53de1e99ea
- SHA512 3f98b34c6124dd8904c483f6f7c5428fa4065887a1006fa3bbd586c3928058ab840f110f4cb9d6206b652afcc325b9b38bca489e9b6718e5b1c4f92614649c78
- SSDEEP 49152:k4IwSBiUij1d2WYTj04V0WN/cCt13btvryzfPii1cYrtI:GBGCW2+WRbLtU6i1c4I
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\D0C2.exe
- Size 2.9MB
- SHA256 9c1239232b71f1f83e3d23e2f256539688c2513ca2e87a7ac7a7a1f4e5c07708
- MD5 4581b61ac8ccc15c33e9e74f958396d2
- SHA1 1d8b71a910e1b3f3227c535892503b53de1e99ea
- SHA512 3f98b34c6124dd8904c483f6f7c5428fa4065887a1006fa3bbd586c3928058ab840f110f4cb9d6206b652afcc325b9b38bca489e9b6718e5b1c4f92614649c78
- SSDEEP 49152:k4IwSBiUij1d2WYTj04V0WN/cCt13btvryzfPii1cYrtI:GBGCW2+WRbLtU6i1c4I
- MD5 SHA1 SHA512 SSDEEP