Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
24/01/2023, 18:13
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 176KB
- Sample230124-wtql9sda53
- SHA256 b0ee7660f0066b424ad22ed99e185df6564dbc54ce50983b50792fa2c5afdcf2
- MD5 36e09bda366bcd64b1b9ee7d1467b243
- SHA1 8e9e8bcf12606fb42c7ec7eeb439292d929a2965
- SHA512 86df6351864c666a7eb3a8679b7e8abbfd69ad77e6065bdb66d6ba8f54d221f2da31965fcd32c971c4547ebaedc57c4a9986737ad8a9201bb6e80cd17d56ff6c
- SSDEEP 3072:+BN2D+fEdLtaJZRq5Z5uKJd7E1wLM3NoyeD9B1hTjtU2W9:SILQZi6S7MIM3NoyeD/34
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1128-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1128-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1256-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1128-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1128-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1256 set thread context of 1128 1256 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 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 1128 file.exe 1128 file.exe 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1204 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1128 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1256 wrote to memory of 1128 1256 file.exe 28 PID 1256 wrote to memory of 1128 1256 file.exe 28 PID 1256 wrote to memory of 1128 1256 file.exe 28 PID 1256 wrote to memory of 1128 1256 file.exe 28 PID 1256 wrote to memory of 1128 1256 file.exe 28 PID 1256 wrote to memory of 1128 1256 file.exe 28 PID 1256 wrote to memory of 1128 1256 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:1256 -
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:1128
-