Analysis
- max time kernel
153s - max time network
180s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
11/02/2023, 06:04
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-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 381KB
- Sample230211-gslvcscc76
- SHA256 b8c868d87f0068784d2dde9ed6337dba6ac4caf5fd6e00994e46af1ab300d2ed
- MD5 68ca1306e02d00e78fb0a61a95e94303
- SHA1 433061962e60efbf6b2bae348cb888ccee369bef
- SHA512 08791a0efa4e055aabe7e257d8ff6cddeefc8f4ef116087db1ef5ca771b732961bb299e52dabb71cad9fa786a2f73050fd00d7c74f39df967d7a1c81595dd0d0
- SSDEEP 3072:ElEOvOzdGINs5xq+kqTjnKth6PKAB2eU6d/b9z3OhPM8qRi0Qo7sTmgu5DZymp5I:0MdEq+umfBpUc/bp3ORMdkTnoZt5I
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1432-133-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader behavioral2/memory/1424-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1424-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1424-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1432 set thread context of 1424 1432 file.exe 82 - 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 1424 file.exe 1424 file.exe 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 740 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1424 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1432 wrote to memory of 1424 1432 file.exe 82 PID 1432 wrote to memory of 1424 1432 file.exe 82 PID 1432 wrote to memory of 1424 1432 file.exe 82 PID 1432 wrote to memory of 1424 1432 file.exe 82 PID 1432 wrote to memory of 1424 1432 file.exe 82 PID 1432 wrote to memory of 1424 1432 file.exe 82
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:1432 -
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:1424
-