Analysis
- max time kernel
154s - max time network
149s - 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, 10:49
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 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-mwp9vadf5v
- SHA256 8a858fdd68d0f077dfaee531f871b3c50d12c07efd7c1e8fb9f6a423a3dc2ad6
- MD5 a90cc6889107707dfd0956ef281da480
- SHA1 3698270137f9d445183f1505194b50f8d4e186bf
- SHA512 57f718ff14aa27e22ca7dbfc4511451960c2b963dfb61af579a472204d674ecfbb229019f420fc223bc4c0ef55e641607082b4948602991f950900b6a2d7f6b5
- SSDEEP 3072:g28bjdJL9gNJtK5sGE+fx1pLBqYK/MLIHH8c41MZlcLYexBnpRhIh3eGjMgG1aoM:oXdJLaNJtDGhxBKEIHrcvBnbuRjMgU
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/5076-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/1220-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1220-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1220-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4492-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4492-146-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 5112 daasjsj 4492 daasjsj - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5076 set thread context of 1220 5076 file.exe 77 PID 5112 set thread context of 4492 5112 daasjsj 88 - 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 daasjsj Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI daasjsj Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI daasjsj Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1220 file.exe 1220 file.exe 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found 2792 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2792 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1220 file.exe 4492 daasjsj - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2792 Process not Found Token: SeCreatePagefilePrivilege 2792 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5076 wrote to memory of 1220 5076 file.exe 77 PID 5076 wrote to memory of 1220 5076 file.exe 77 PID 5076 wrote to memory of 1220 5076 file.exe 77 PID 5076 wrote to memory of 1220 5076 file.exe 77 PID 5076 wrote to memory of 1220 5076 file.exe 77 PID 5076 wrote to memory of 1220 5076 file.exe 77 PID 5112 wrote to memory of 4492 5112 daasjsj 88 PID 5112 wrote to memory of 4492 5112 daasjsj 88 PID 5112 wrote to memory of 4492 5112 daasjsj 88 PID 5112 wrote to memory of 4492 5112 daasjsj 88 PID 5112 wrote to memory of 4492 5112 daasjsj 88 PID 5112 wrote to memory of 4492 5112 daasjsj 88
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:5076 -
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:1220
-
-
C:\Users\Admin\AppData\Roaming\daasjsjC:\Users\Admin\AppData\Roaming\daasjsj1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Users\Admin\AppData\Roaming\daasjsjC:\Users\Admin\AppData\Roaming\daasjsj2⤵
- 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\daasjsj
- Size 349KB
- SHA256 8a858fdd68d0f077dfaee531f871b3c50d12c07efd7c1e8fb9f6a423a3dc2ad6
- MD5 a90cc6889107707dfd0956ef281da480
- SHA1 3698270137f9d445183f1505194b50f8d4e186bf
- SHA512 57f718ff14aa27e22ca7dbfc4511451960c2b963dfb61af579a472204d674ecfbb229019f420fc223bc4c0ef55e641607082b4948602991f950900b6a2d7f6b5
- SSDEEP 3072:g28bjdJL9gNJtK5sGE+fx1pLBqYK/MLIHH8c41MZlcLYexBnpRhIh3eGjMgG1aoM:oXdJLaNJtDGhxBKEIHrcvBnbuRjMgU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\daasjsj
- Size 349KB
- SHA256 8a858fdd68d0f077dfaee531f871b3c50d12c07efd7c1e8fb9f6a423a3dc2ad6
- MD5 a90cc6889107707dfd0956ef281da480
- SHA1 3698270137f9d445183f1505194b50f8d4e186bf
- SHA512 57f718ff14aa27e22ca7dbfc4511451960c2b963dfb61af579a472204d674ecfbb229019f420fc223bc4c0ef55e641607082b4948602991f950900b6a2d7f6b5
- SSDEEP 3072:g28bjdJL9gNJtK5sGE+fx1pLBqYK/MLIHH8c41MZlcLYexBnpRhIh3eGjMgG1aoM:oXdJLaNJtDGhxBKEIHrcvBnbuRjMgU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\daasjsj
- Size 349KB
- SHA256 8a858fdd68d0f077dfaee531f871b3c50d12c07efd7c1e8fb9f6a423a3dc2ad6
- MD5 a90cc6889107707dfd0956ef281da480
- SHA1 3698270137f9d445183f1505194b50f8d4e186bf
- SHA512 57f718ff14aa27e22ca7dbfc4511451960c2b963dfb61af579a472204d674ecfbb229019f420fc223bc4c0ef55e641607082b4948602991f950900b6a2d7f6b5
- SSDEEP 3072:g28bjdJL9gNJtK5sGE+fx1pLBqYK/MLIHH8c41MZlcLYexBnpRhIh3eGjMgG1aoM:oXdJLaNJtDGhxBKEIHrcvBnbuRjMgU
- MD5 SHA1 SHA512 SSDEEP