Analysis
- max time kernel
348s - max time network
425s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
09/12/2022, 11:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
9 signatures
150 seconds
General
- Target file.exe
- Size 382KB
- Sample221209-nmp36ada73
- SHA256 ce8e225183aa62afe997e21397905ac83eb5f5cfaa8d192ee29c3c790fdf1e82
- MD5 016f7ce5160378e3eded20abb113a2c5
- SHA1 64b8431cfa689fb180d3f67f8dfdee5c87ffdbdb
- SHA512 c96103174233eccb4aba1b70b53cb832667c4c0646998ad568e87801bc3c146fbd08b44c7d1ee9edafe770b318216c4e56bc74ab8eaab39a0a613fa45bff4334
- SSDEEP 6144:TYK/LWilFMotoKLVK4ja2HdQOwshh6K9W9x5dded89kTRAA:T7yil+4r5H+6IK9W9KawAA
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2656-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3904-135-0x00000000005C0000-0x00000000005C9000-memory.dmp family_smokeloader behavioral2/memory/2656-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2656-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3904 set thread context of 2656 3904 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2656 file.exe 2656 file.exe 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found 2572 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2572 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2656 file.exe - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 2572 Process not Found Token: SeCreatePagefilePrivilege 2572 Process not Found Token: SeShutdownPrivilege 2572 Process not Found Token: SeCreatePagefilePrivilege 2572 Process not Found Token: SeShutdownPrivilege 2572 Process not Found Token: SeCreatePagefilePrivilege 2572 Process not Found Token: SeShutdownPrivilege 2572 Process not Found Token: SeCreatePagefilePrivilege 2572 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3904 wrote to memory of 2656 3904 file.exe 83 PID 3904 wrote to memory of 2656 3904 file.exe 83 PID 3904 wrote to memory of 2656 3904 file.exe 83 PID 3904 wrote to memory of 2656 3904 file.exe 83 PID 3904 wrote to memory of 2656 3904 file.exe 83 PID 3904 wrote to memory of 2656 3904 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:3904 -
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:2656
-