Analysis
- max time kernel
150s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
10/01/2023, 01:19
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 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 328KB
- Sample230110-bphqmsbh6s
- SHA256 595e85ea34f2937044259c8c95d50a2fc92af70d7ac4e8302f6f0c4a18c8bb70
- MD5 56c5b4cd457d41e7684d98c62365be2f
- SHA1 b4fc5e0b2a40f255fdc50326fee197daa5434732
- SHA512 6dcffaec4e8d66e7e37c87ed2bb93319cb25ee93c0f965455d95d636abb064c526c46aa45566e7c1ccd771b20998e45e64fd1d97e7d6bfdb15667e423e7228aa
- SSDEEP 6144:yemvR/xRwdiby1QkrLFWDO7dBA0XTxFJY:yrFF0DrQkDxF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/2968-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5056-135-0x0000000000510000-0x0000000000519000-memory.dmp family_smokeloader behavioral2/memory/2968-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2968-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4448-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4448-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 1200 eadcfgt 4448 eadcfgt - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5056 set thread context of 2968 5056 file.exe 83 PID 1200 set thread context of 4448 1200 eadcfgt 90 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eadcfgt Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eadcfgt 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eadcfgt - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2968 file.exe 2968 file.exe 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2752 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2968 file.exe 4448 eadcfgt - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2752 Process not Found Token: SeCreatePagefilePrivilege 2752 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5056 wrote to memory of 2968 5056 file.exe 83 PID 5056 wrote to memory of 2968 5056 file.exe 83 PID 5056 wrote to memory of 2968 5056 file.exe 83 PID 5056 wrote to memory of 2968 5056 file.exe 83 PID 5056 wrote to memory of 2968 5056 file.exe 83 PID 5056 wrote to memory of 2968 5056 file.exe 83 PID 1200 wrote to memory of 4448 1200 eadcfgt 90 PID 1200 wrote to memory of 4448 1200 eadcfgt 90 PID 1200 wrote to memory of 4448 1200 eadcfgt 90 PID 1200 wrote to memory of 4448 1200 eadcfgt 90 PID 1200 wrote to memory of 4448 1200 eadcfgt 90 PID 1200 wrote to memory of 4448 1200 eadcfgt 90
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:5056 -
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:2968
-
-
C:\Users\Admin\AppData\Roaming\eadcfgtC:\Users\Admin\AppData\Roaming\eadcfgt1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Users\Admin\AppData\Roaming\eadcfgtC:\Users\Admin\AppData\Roaming\eadcfgt2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4448
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\eadcfgt
- Size 328KB
- SHA256 595e85ea34f2937044259c8c95d50a2fc92af70d7ac4e8302f6f0c4a18c8bb70
- MD5 56c5b4cd457d41e7684d98c62365be2f
- SHA1 b4fc5e0b2a40f255fdc50326fee197daa5434732
- SHA512 6dcffaec4e8d66e7e37c87ed2bb93319cb25ee93c0f965455d95d636abb064c526c46aa45566e7c1ccd771b20998e45e64fd1d97e7d6bfdb15667e423e7228aa
- SSDEEP 6144:yemvR/xRwdiby1QkrLFWDO7dBA0XTxFJY:yrFF0DrQkDxF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\eadcfgt
- Size 328KB
- SHA256 595e85ea34f2937044259c8c95d50a2fc92af70d7ac4e8302f6f0c4a18c8bb70
- MD5 56c5b4cd457d41e7684d98c62365be2f
- SHA1 b4fc5e0b2a40f255fdc50326fee197daa5434732
- SHA512 6dcffaec4e8d66e7e37c87ed2bb93319cb25ee93c0f965455d95d636abb064c526c46aa45566e7c1ccd771b20998e45e64fd1d97e7d6bfdb15667e423e7228aa
- SSDEEP 6144:yemvR/xRwdiby1QkrLFWDO7dBA0XTxFJY:yrFF0DrQkDxF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\eadcfgt
- Size 328KB
- SHA256 595e85ea34f2937044259c8c95d50a2fc92af70d7ac4e8302f6f0c4a18c8bb70
- MD5 56c5b4cd457d41e7684d98c62365be2f
- SHA1 b4fc5e0b2a40f255fdc50326fee197daa5434732
- SHA512 6dcffaec4e8d66e7e37c87ed2bb93319cb25ee93c0f965455d95d636abb064c526c46aa45566e7c1ccd771b20998e45e64fd1d97e7d6bfdb15667e423e7228aa
- SSDEEP 6144:yemvR/xRwdiby1QkrLFWDO7dBA0XTxFJY:yrFF0DrQkDxF
- MD5 SHA1 SHA512 SSDEEP