Analysis
- max time kernel
178s - max time network
216s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
06/12/2022, 04:46
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
9 signatures
150 seconds
General
- Target file.exe
- Size 273KB
- Sample221206-fdzl8she25
- SHA256 95ebd4d8c7a834d2dcc234af372d71285fd7e79f68ad661f3e01f9a779c3a3e7
- MD5 0d4a44c4df75695dc1c0eb6bed88df15
- SHA1 3cbf13a1c15a7523eee7c1461ce81b55680b6cd8
- SHA512 aba9b4401e6f867cd09f6faa4f81cfc8f17bc49c207e7f764544787a6091876cbb47fbee6a4c976baa1a420e19fe097008e748a42a9cf487b74eb58b8eb0da47
- SSDEEP 3072:/5XVB8YBPGxYMUsy5rWR5Xuk/Fw352j709FhOioDdnfIiVRvJTcpA4YgV2qs64j:/dKUsy5x32ihnoD1IIDcm0VS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/480-133-0x00000000004E0000-0x00000000004E9000-memory.dmp family_smokeloader behavioral2/memory/3540-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3540-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3540-139-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 480 set thread context of 3540 480 file.exe 83 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description 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 - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3540 file.exe 3540 file.exe 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 388 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3540 file.exe - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 480 wrote to memory of 3540 480 file.exe 83 PID 480 wrote to memory of 3540 480 file.exe 83 PID 480 wrote to memory of 3540 480 file.exe 83 PID 480 wrote to memory of 3540 480 file.exe 83 PID 480 wrote to memory of 3540 480 file.exe 83 PID 480 wrote to memory of 3540 480 file.exe 83
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:480 -
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:3540
-