Analysis
- max time kernel
152s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/12/2022, 19:28
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 349KB
- Sample221202-x6m8caba4x
- SHA256 909b5dc226c3ddf5fe905ffde1c4fc7a587cec7b6e8a68234e2e961b7fd06563
- MD5 68adcd79689c87f027dc5e1905bcad69
- SHA1 7ce44eaceb1a7620a9d246882f0ec521a23b5be5
- SHA512 9cfc40531e03470db04bab50e129ecaa358758c0853021bd79ccc4ea78cd22fb08057ea067085f61410ed1087b667fdb5c804446030c0ceea5cfe45242809621
- SSDEEP 6144:7aBIOL3AeNgpPBaLFaVphTqBqNuRjMgU:7ox3NgGFabARQg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/1768-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/4968-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4968-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4968-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3640-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3640-146-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 4644 wwtawej 3640 wwtawej - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1768 set thread context of 4968 1768 file.exe 80 PID 4644 set thread context of 3640 4644 wwtawej 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 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 wwtawej Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wwtawej Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wwtawej - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4968 file.exe 4968 file.exe 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2864 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4968 file.exe 3640 wwtawej - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2864 Process not Found Token: SeCreatePagefilePrivilege 2864 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1768 wrote to memory of 4968 1768 file.exe 80 PID 1768 wrote to memory of 4968 1768 file.exe 80 PID 1768 wrote to memory of 4968 1768 file.exe 80 PID 1768 wrote to memory of 4968 1768 file.exe 80 PID 1768 wrote to memory of 4968 1768 file.exe 80 PID 1768 wrote to memory of 4968 1768 file.exe 80 PID 4644 wrote to memory of 3640 4644 wwtawej 89 PID 4644 wrote to memory of 3640 4644 wwtawej 89 PID 4644 wrote to memory of 3640 4644 wwtawej 89 PID 4644 wrote to memory of 3640 4644 wwtawej 89 PID 4644 wrote to memory of 3640 4644 wwtawej 89 PID 4644 wrote to memory of 3640 4644 wwtawej 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:1768 -
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:4968
-
-
C:\Users\Admin\AppData\Roaming\wwtawejC:\Users\Admin\AppData\Roaming\wwtawej1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4644 -
C:\Users\Admin\AppData\Roaming\wwtawejC:\Users\Admin\AppData\Roaming\wwtawej2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3640
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\wwtawej
- Size 349KB
- SHA256 909b5dc226c3ddf5fe905ffde1c4fc7a587cec7b6e8a68234e2e961b7fd06563
- MD5 68adcd79689c87f027dc5e1905bcad69
- SHA1 7ce44eaceb1a7620a9d246882f0ec521a23b5be5
- SHA512 9cfc40531e03470db04bab50e129ecaa358758c0853021bd79ccc4ea78cd22fb08057ea067085f61410ed1087b667fdb5c804446030c0ceea5cfe45242809621
- SSDEEP 6144:7aBIOL3AeNgpPBaLFaVphTqBqNuRjMgU:7ox3NgGFabARQg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\wwtawej
- Size 349KB
- SHA256 909b5dc226c3ddf5fe905ffde1c4fc7a587cec7b6e8a68234e2e961b7fd06563
- MD5 68adcd79689c87f027dc5e1905bcad69
- SHA1 7ce44eaceb1a7620a9d246882f0ec521a23b5be5
- SHA512 9cfc40531e03470db04bab50e129ecaa358758c0853021bd79ccc4ea78cd22fb08057ea067085f61410ed1087b667fdb5c804446030c0ceea5cfe45242809621
- SSDEEP 6144:7aBIOL3AeNgpPBaLFaVphTqBqNuRjMgU:7ox3NgGFabARQg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\wwtawej
- Size 349KB
- SHA256 909b5dc226c3ddf5fe905ffde1c4fc7a587cec7b6e8a68234e2e961b7fd06563
- MD5 68adcd79689c87f027dc5e1905bcad69
- SHA1 7ce44eaceb1a7620a9d246882f0ec521a23b5be5
- SHA512 9cfc40531e03470db04bab50e129ecaa358758c0853021bd79ccc4ea78cd22fb08057ea067085f61410ed1087b667fdb5c804446030c0ceea5cfe45242809621
- SSDEEP 6144:7aBIOL3AeNgpPBaLFaVphTqBqNuRjMgU:7ox3NgGFabARQg
- MD5 SHA1 SHA512 SSDEEP