Analysis
- max time kernel
155s - max time network
196s - 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, 03:04
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 273KB
- Sample221206-dkk2bacc51
- SHA256 2fa1b36ec12cfb8468868b302c85d932424d428b980d2ed8854cf48a0ecab2b9
- MD5 eb9789fe77151a7e52b9f73a921231c7
- SHA1 4f7755391003bb102269645de1e64b94e9041f3d
- SHA512 c26c8dd93867b91057dae52e68a2298923fa966382d0e529a2c066392db37ae333c826cd5c756971bfcdc15e21aebbb65e97d53f58e14dce3507452effe72426
- SSDEEP 3072:gBXVf6YeFvwTAJQhiWR5gSMmBlCRwXj12j0OfIjdbdiVRvJTcpyoSbMY5XYgV2qI:glsVJQhnkRwzDOfuxIDcJKVS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3492-133-0x00000000004E0000-0x00000000004E9000-memory.dmp family_smokeloader behavioral2/memory/964-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/964-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/964-139-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3492 set thread context of 964 3492 file.exe 81 - 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 964 file.exe 964 file.exe 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2600 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 964 file.exe - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 2600 Process not Found Token: SeCreatePagefilePrivilege 2600 Process not Found Token: SeShutdownPrivilege 2600 Process not Found Token: SeCreatePagefilePrivilege 2600 Process not Found Token: SeShutdownPrivilege 2600 Process not Found Token: SeCreatePagefilePrivilege 2600 Process not Found Token: SeShutdownPrivilege 2600 Process not Found Token: SeCreatePagefilePrivilege 2600 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2600 Process not Found 2600 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3492 wrote to memory of 964 3492 file.exe 81 PID 3492 wrote to memory of 964 3492 file.exe 81 PID 3492 wrote to memory of 964 3492 file.exe 81 PID 3492 wrote to memory of 964 3492 file.exe 81 PID 3492 wrote to memory of 964 3492 file.exe 81 PID 3492 wrote to memory of 964 3492 file.exe 81
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:3492 -
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:964
-