Analysis
- max time kernel
150s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
24/01/2023, 11:06
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
9 signatures
150 seconds
General
- Target file.exe
- Size 175KB
- Sample230124-m7ebqacb3w
- SHA256 b1be1aa57724ed2a06aa942d183a3739e598680d9eaa4150f14644b8f522ca6b
- MD5 069683ee98d3a02bc864b610b302bc66
- SHA1 aaaa73c89d560e52608f441d927d597525f2bc55
- SHA512 8a5cc4fac5aa1fe3751d2eec1f1ef368e5b6de1f76c49848ec31f8197ea6d5d75e565412b0cd3b511ec6a1cb2166be4e411bd4aeebb8190c8e8fd63a3f36a638
- SSDEEP 3072:lBN2I61dLhO5a5DGeaY5icD/hWCoAvLWvnqfVf:L6LhO5Be35i0/hWdAzDV
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4844-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3044-135-0x0000000002CE0000-0x0000000002CE9000-memory.dmp family_smokeloader behavioral2/memory/4844-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4844-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3044 set thread context of 4844 3044 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 4844 file.exe 4844 file.exe 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found 2056 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2056 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4844 file.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found Token: SeShutdownPrivilege 2056 Process not Found Token: SeCreatePagefilePrivilege 2056 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3044 wrote to memory of 4844 3044 file.exe 81 PID 3044 wrote to memory of 4844 3044 file.exe 81 PID 3044 wrote to memory of 4844 3044 file.exe 81 PID 3044 wrote to memory of 4844 3044 file.exe 81 PID 3044 wrote to memory of 4844 3044 file.exe 81 PID 3044 wrote to memory of 4844 3044 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:3044 -
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:4844
-