Analysis
- max time kernel
150s - max time network
43s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
01/10/2022, 03:52
Static task
static1
Behavioral task
behavioral1
Sample
38bf27da889eb6f5560a977250b6a53e.exe
Resource
win7-20220812-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
38bf27da889eb6f5560a977250b6a53e.exe
Resource
win10v2004-20220812-en
8 signatures
150 seconds
General
- Target 38bf27da889eb6f5560a977250b6a53e.exe
- Size 146KB
- Sample221001-ee283sgdfk
- SHA256 f38373f9c3c54424c6d6f8d045eb7d60d5f53d16b9ea0cee762c6a51e8a919ec
- MD5 38bf27da889eb6f5560a977250b6a53e
- SHA1 fa5f5f3de41877db6f471c49e9b26c6aa3bee09d
- SHA512 6fa84bd85564db1fe42a70836b6e2c55c15f9ff222b661cbf89eb49780e3a6da15f35c36f8fcbca606106afdc84e2cae4f844e3de5896f1b65aee1b73b3a0ef8
- SSDEEP 3072:xDgU1n0wdIPRJn8ruh25L42ohFhgTXnaFODqRMMJ:+wdUn8K+03nhgTXnkOiJ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1460-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1460-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1456-58-0x00000000001B0000-0x00000000001B9000-memory.dmp family_smokeloader behavioral1/memory/1460-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1460-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1456 set thread context of 1460 1456 38bf27da889eb6f5560a977250b6a53e.exe 26 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 38bf27da889eb6f5560a977250b6a53e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 38bf27da889eb6f5560a977250b6a53e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 38bf27da889eb6f5560a977250b6a53e.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1460 38bf27da889eb6f5560a977250b6a53e.exe 1460 38bf27da889eb6f5560a977250b6a53e.exe 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1460 38bf27da889eb6f5560a977250b6a53e.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1456 wrote to memory of 1460 1456 38bf27da889eb6f5560a977250b6a53e.exe 26 PID 1456 wrote to memory of 1460 1456 38bf27da889eb6f5560a977250b6a53e.exe 26 PID 1456 wrote to memory of 1460 1456 38bf27da889eb6f5560a977250b6a53e.exe 26 PID 1456 wrote to memory of 1460 1456 38bf27da889eb6f5560a977250b6a53e.exe 26 PID 1456 wrote to memory of 1460 1456 38bf27da889eb6f5560a977250b6a53e.exe 26 PID 1456 wrote to memory of 1460 1456 38bf27da889eb6f5560a977250b6a53e.exe 26 PID 1456 wrote to memory of 1460 1456 38bf27da889eb6f5560a977250b6a53e.exe 26
Processes
-
C:\Users\Admin\AppData\Local\Temp\38bf27da889eb6f5560a977250b6a53e.exe"C:\Users\Admin\AppData\Local\Temp\38bf27da889eb6f5560a977250b6a53e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Users\Admin\AppData\Local\Temp\38bf27da889eb6f5560a977250b6a53e.exe"C:\Users\Admin\AppData\Local\Temp\38bf27da889eb6f5560a977250b6a53e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1460
-