Analysis
-
max time kernel
146s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
30-03-2024 09:17
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20240319-en
General
-
Target
file.exe
-
Size
261KB
-
MD5
340a95a1d7cbc1298171aebaaa6638a9
-
SHA1
b1499d545dc7838274f46dba1233fe9fb3f84e2c
-
SHA256
430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919
-
SHA512
6fc4d2a5d1832790342a3244f5065688e1bea4136c91b0fe86f65bb4a7a3235b0f6c1fcf94087a09c82a96afabd1d74ef1d84d08b41ed1ab661e3b52ca5e60a3
-
SSDEEP
3072:ULb4PKxxB5OhFv+YBiLDLljSxMqbWTQk1B3A5hMpCIKxKNK7EdevdTk3:Uqw5evmfluxMp71B3emds8evdT
Malware Config
Extracted
smokeloader
pub3
Signatures
-
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4488 2408 WerFault.exe file.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
file.exedescription 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
PID:2408 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 3522⤵
- Program crash
PID:4488
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2408 -ip 24081⤵PID:3308
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3980 --field-trial-handle=3408,i,16599691418790971742,134777455365707676,262144 --variations-seed-version /prefetch:81⤵PID:4076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2408-1-0x0000000000BF0000-0x0000000000CF0000-memory.dmpFilesize
1024KB
-
memory/2408-2-0x0000000000BC0000-0x0000000000BCB000-memory.dmpFilesize
44KB
-
memory/2408-3-0x0000000000400000-0x0000000000AEA000-memory.dmpFilesize
6.9MB
-
memory/2408-4-0x0000000000400000-0x0000000000AEA000-memory.dmpFilesize
6.9MB
-
memory/2408-5-0x0000000000BC0000-0x0000000000BCB000-memory.dmpFilesize
44KB