Analysis
- max time kernel
155s - max time network
199s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
03/12/2022, 01:58
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
10 signatures
150 seconds
General
- Target file.exe
- Size 351KB
- Sample221203-cdtt7sec85
- SHA256 02a0c8d7962366d34a87f84ff77bcf54b25fe2c67a9494ca42ade273dc484655
- MD5 2692406483e2a3e9d220e4e503a997b8
- SHA1 fc3a80e55f81dce3c8b3a5151023e8d70d0dbf99
- SHA512 d3c8e5c503e6bed7cbd6474359ae41588127dd2f0ef0245c90962e974e4f54d539af9732901f3ed731c8c9d89f71a8805a924e5304854f9f4525d59efe133e18
- SSDEEP 6144:6x5IStLC8eLccRurdOKSSQMHtLbNjuRrkjK:6fbtkLcCKtQMHfiRrs
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/2524-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3360-136-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/2524-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2524-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1944-168-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1944-169-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 4136 idbasur 1944 idbasur - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3360 set thread context of 2524 3360 file.exe 83 PID 4136 set thread context of 1944 4136 idbasur 89 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI idbasur Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI idbasur Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI idbasur 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 2524 file.exe 2524 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 2 IoCs
pid Process 2524 file.exe 1944 idbasur - Suspicious use of AdjustPrivilegeToken 10 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 Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3360 wrote to memory of 2524 3360 file.exe 83 PID 3360 wrote to memory of 2524 3360 file.exe 83 PID 3360 wrote to memory of 2524 3360 file.exe 83 PID 3360 wrote to memory of 2524 3360 file.exe 83 PID 3360 wrote to memory of 2524 3360 file.exe 83 PID 3360 wrote to memory of 2524 3360 file.exe 83 PID 4136 wrote to memory of 1944 4136 idbasur 89 PID 4136 wrote to memory of 1944 4136 idbasur 89 PID 4136 wrote to memory of 1944 4136 idbasur 89 PID 4136 wrote to memory of 1944 4136 idbasur 89 PID 4136 wrote to memory of 1944 4136 idbasur 89 PID 4136 wrote to memory of 1944 4136 idbasur 89
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:3360 -
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:2524
-
-
C:\Users\Admin\AppData\Roaming\idbasurC:\Users\Admin\AppData\Roaming\idbasur1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Users\Admin\AppData\Roaming\idbasurC:\Users\Admin\AppData\Roaming\idbasur2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1944
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\idbasur
- Size 351KB
- SHA256 02a0c8d7962366d34a87f84ff77bcf54b25fe2c67a9494ca42ade273dc484655
- MD5 2692406483e2a3e9d220e4e503a997b8
- SHA1 fc3a80e55f81dce3c8b3a5151023e8d70d0dbf99
- SHA512 d3c8e5c503e6bed7cbd6474359ae41588127dd2f0ef0245c90962e974e4f54d539af9732901f3ed731c8c9d89f71a8805a924e5304854f9f4525d59efe133e18
- SSDEEP 6144:6x5IStLC8eLccRurdOKSSQMHtLbNjuRrkjK:6fbtkLcCKtQMHfiRrs
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\idbasur
- Size 351KB
- SHA256 02a0c8d7962366d34a87f84ff77bcf54b25fe2c67a9494ca42ade273dc484655
- MD5 2692406483e2a3e9d220e4e503a997b8
- SHA1 fc3a80e55f81dce3c8b3a5151023e8d70d0dbf99
- SHA512 d3c8e5c503e6bed7cbd6474359ae41588127dd2f0ef0245c90962e974e4f54d539af9732901f3ed731c8c9d89f71a8805a924e5304854f9f4525d59efe133e18
- SSDEEP 6144:6x5IStLC8eLccRurdOKSSQMHtLbNjuRrkjK:6fbtkLcCKtQMHfiRrs
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\idbasur
- Size 351KB
- SHA256 02a0c8d7962366d34a87f84ff77bcf54b25fe2c67a9494ca42ade273dc484655
- MD5 2692406483e2a3e9d220e4e503a997b8
- SHA1 fc3a80e55f81dce3c8b3a5151023e8d70d0dbf99
- SHA512 d3c8e5c503e6bed7cbd6474359ae41588127dd2f0ef0245c90962e974e4f54d539af9732901f3ed731c8c9d89f71a8805a924e5304854f9f4525d59efe133e18
- SSDEEP 6144:6x5IStLC8eLccRurdOKSSQMHtLbNjuRrkjK:6fbtkLcCKtQMHfiRrs
- MD5 SHA1 SHA512 SSDEEP