Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
31/01/2023, 02:18
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
win10v2004-20221111-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target file.exe
- Size 168KB
- Sample230131-cracqaed22
- SHA256 3e4d1abc4bff9f54c318ea7d8a525c529182928ebe1ca21374510a122ec90fb1
- MD5 40b2d5c197d23bccc7c1afab4581e4d0
- SHA1 fdba150f80916dd5e464ed0d2483680f0d5f445d
- SHA512 8cd12874465430f6b42cbffde1305769a84213ae43fc8fba5385a0221e4a0b6bba4e518f55f1fd1de49aa25c81b49cf3329fcada4f57f1d8e5f7d870a9b4a1a9
- SSDEEP 3072:pjB+PeLQaGYh5YVW1WOM6EqszkXskqlddxp5VbH:RLtGYM81W4q5x
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/3744-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5008-135-0x0000000002DF0000-0x0000000002DF9000-memory.dmp family_smokeloader behavioral2/memory/3744-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3744-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4492-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4492-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 2368 eatbbbt 4492 eatbbbt - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5008 set thread context of 3744 5008 file.exe 85 PID 2368 set thread context of 4492 2368 eatbbbt 98 - Checks SCSI registry key(s) 3 TTPs 6 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 eatbbbt Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eatbbbt Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eatbbbt Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3744 file.exe 3744 file.exe 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2340 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3744 file.exe 4492 eatbbbt - Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found Token: SeShutdownPrivilege 2340 Process not Found Token: SeCreatePagefilePrivilege 2340 Process not Found - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2340 Process not Found 2340 Process not Found 2340 Process not Found 2340 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5008 wrote to memory of 3744 5008 file.exe 85 PID 5008 wrote to memory of 3744 5008 file.exe 85 PID 5008 wrote to memory of 3744 5008 file.exe 85 PID 5008 wrote to memory of 3744 5008 file.exe 85 PID 5008 wrote to memory of 3744 5008 file.exe 85 PID 5008 wrote to memory of 3744 5008 file.exe 85 PID 2368 wrote to memory of 4492 2368 eatbbbt 98 PID 2368 wrote to memory of 4492 2368 eatbbbt 98 PID 2368 wrote to memory of 4492 2368 eatbbbt 98 PID 2368 wrote to memory of 4492 2368 eatbbbt 98 PID 2368 wrote to memory of 4492 2368 eatbbbt 98 PID 2368 wrote to memory of 4492 2368 eatbbbt 98
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:5008 -
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:3744
-
-
C:\Users\Admin\AppData\Roaming\eatbbbtC:\Users\Admin\AppData\Roaming\eatbbbt1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Users\Admin\AppData\Roaming\eatbbbtC:\Users\Admin\AppData\Roaming\eatbbbt2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4492
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\eatbbbt
- Size 168KB
- SHA256 3e4d1abc4bff9f54c318ea7d8a525c529182928ebe1ca21374510a122ec90fb1
- MD5 40b2d5c197d23bccc7c1afab4581e4d0
- SHA1 fdba150f80916dd5e464ed0d2483680f0d5f445d
- SHA512 8cd12874465430f6b42cbffde1305769a84213ae43fc8fba5385a0221e4a0b6bba4e518f55f1fd1de49aa25c81b49cf3329fcada4f57f1d8e5f7d870a9b4a1a9
- SSDEEP 3072:pjB+PeLQaGYh5YVW1WOM6EqszkXskqlddxp5VbH:RLtGYM81W4q5x
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\eatbbbt
- Size 168KB
- SHA256 3e4d1abc4bff9f54c318ea7d8a525c529182928ebe1ca21374510a122ec90fb1
- MD5 40b2d5c197d23bccc7c1afab4581e4d0
- SHA1 fdba150f80916dd5e464ed0d2483680f0d5f445d
- SHA512 8cd12874465430f6b42cbffde1305769a84213ae43fc8fba5385a0221e4a0b6bba4e518f55f1fd1de49aa25c81b49cf3329fcada4f57f1d8e5f7d870a9b4a1a9
- SSDEEP 3072:pjB+PeLQaGYh5YVW1WOM6EqszkXskqlddxp5VbH:RLtGYM81W4q5x
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\eatbbbt
- Size 168KB
- SHA256 3e4d1abc4bff9f54c318ea7d8a525c529182928ebe1ca21374510a122ec90fb1
- MD5 40b2d5c197d23bccc7c1afab4581e4d0
- SHA1 fdba150f80916dd5e464ed0d2483680f0d5f445d
- SHA512 8cd12874465430f6b42cbffde1305769a84213ae43fc8fba5385a0221e4a0b6bba4e518f55f1fd1de49aa25c81b49cf3329fcada4f57f1d8e5f7d870a9b4a1a9
- SSDEEP 3072:pjB+PeLQaGYh5YVW1WOM6EqszkXskqlddxp5VbH:RLtGYM81W4q5x
- MD5 SHA1 SHA512 SSDEEP