Analysis
- max time kernel
150s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
30/01/2023, 13:29
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
10 signatures
150 seconds
General
- Target file.exe
- Size 162KB
- Sample230130-qq749aae78
- SHA256 0d79a949e2da00a6881abe8d467e767a6a17b20fd612068fc9c96ffee7926cca
- MD5 a44e32bdab1498ae7b874cbdd8cc0722
- SHA1 97214ca2db23ea7f2a48ad93a0a359ae21679af9
- SHA512 f77ec0eb3ebf394e47c722f3fcf998b9e730a26762dc78e7c04f60c9a8fa39475a0572026ab68348893cc55ee751f0f5010808bad096ff49445be438626db942
- SSDEEP 3072:xPtwLph5EKRolgh9qa8K/GBlDshTpacuC1:ILpXRolgh9H/GBlDsneC1
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/2248-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3856-135-0x0000000002D30000-0x0000000002D39000-memory.dmp family_smokeloader behavioral2/memory/2248-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2248-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3696-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3696-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 3368 hdcdjww 3696 hdcdjww - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3856 set thread context of 2248 3856 file.exe 83 PID 3368 set thread context of 3696 3368 hdcdjww 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 hdcdjww Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hdcdjww Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hdcdjww - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2248 file.exe 2248 file.exe 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2644 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2248 file.exe 3696 hdcdjww - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2644 Process not Found Token: SeCreatePagefilePrivilege 2644 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3856 wrote to memory of 2248 3856 file.exe 83 PID 3856 wrote to memory of 2248 3856 file.exe 83 PID 3856 wrote to memory of 2248 3856 file.exe 83 PID 3856 wrote to memory of 2248 3856 file.exe 83 PID 3856 wrote to memory of 2248 3856 file.exe 83 PID 3856 wrote to memory of 2248 3856 file.exe 83 PID 3368 wrote to memory of 3696 3368 hdcdjww 89 PID 3368 wrote to memory of 3696 3368 hdcdjww 89 PID 3368 wrote to memory of 3696 3368 hdcdjww 89 PID 3368 wrote to memory of 3696 3368 hdcdjww 89 PID 3368 wrote to memory of 3696 3368 hdcdjww 89 PID 3368 wrote to memory of 3696 3368 hdcdjww 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:3856 -
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:2248
-
-
C:\Users\Admin\AppData\Roaming\hdcdjwwC:\Users\Admin\AppData\Roaming\hdcdjww1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Users\Admin\AppData\Roaming\hdcdjwwC:\Users\Admin\AppData\Roaming\hdcdjww2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3696
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\hdcdjww
- Size 162KB
- SHA256 0d79a949e2da00a6881abe8d467e767a6a17b20fd612068fc9c96ffee7926cca
- MD5 a44e32bdab1498ae7b874cbdd8cc0722
- SHA1 97214ca2db23ea7f2a48ad93a0a359ae21679af9
- SHA512 f77ec0eb3ebf394e47c722f3fcf998b9e730a26762dc78e7c04f60c9a8fa39475a0572026ab68348893cc55ee751f0f5010808bad096ff49445be438626db942
- SSDEEP 3072:xPtwLph5EKRolgh9qa8K/GBlDshTpacuC1:ILpXRolgh9H/GBlDsneC1
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\hdcdjww
- Size 162KB
- SHA256 0d79a949e2da00a6881abe8d467e767a6a17b20fd612068fc9c96ffee7926cca
- MD5 a44e32bdab1498ae7b874cbdd8cc0722
- SHA1 97214ca2db23ea7f2a48ad93a0a359ae21679af9
- SHA512 f77ec0eb3ebf394e47c722f3fcf998b9e730a26762dc78e7c04f60c9a8fa39475a0572026ab68348893cc55ee751f0f5010808bad096ff49445be438626db942
- SSDEEP 3072:xPtwLph5EKRolgh9qa8K/GBlDshTpacuC1:ILpXRolgh9H/GBlDsneC1
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\hdcdjww
- Size 162KB
- SHA256 0d79a949e2da00a6881abe8d467e767a6a17b20fd612068fc9c96ffee7926cca
- MD5 a44e32bdab1498ae7b874cbdd8cc0722
- SHA1 97214ca2db23ea7f2a48ad93a0a359ae21679af9
- SHA512 f77ec0eb3ebf394e47c722f3fcf998b9e730a26762dc78e7c04f60c9a8fa39475a0572026ab68348893cc55ee751f0f5010808bad096ff49445be438626db942
- SSDEEP 3072:xPtwLph5EKRolgh9qa8K/GBlDshTpacuC1:ILpXRolgh9H/GBlDsneC1
- MD5 SHA1 SHA512 SSDEEP