Analysis
- max time kernel
150s - max time network
45s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
26/08/2022, 19:27
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 316KB
- Sample220826-x53xeahfd7
- SHA256 7b18cd4fd8a323a158fe2ae373fa025f7014846e1f7f58a12c8eef1e49c375a1
- MD5 9aa4f98c77c73020c0a14f38bdfbe45c
- SHA1 2544bddcf3d5ce5b2a5274c527cb2f50b8d964c7
- SHA512 0678c71cca5f1cd107591c6a488c678b8f3030fe4c47aa2eca9f1458025383008e6e95bbb6a2667c2829062a1b073ed3842331f6ba4331a1852b26aa5dbdccad
- SSDEEP 6144:MHzSkQmFnW2CzWMzyAhtCKdzcC7fg/uBQz:CzndxGPzyAhtCEcCkp
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1524-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1524-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1976-57-0x00000000003A0000-0x00000000003A9000-memory.dmp family_smokeloader behavioral1/memory/1524-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1524-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1976 set thread context of 1524 1976 file.exe 27 - 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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1524 file.exe 1524 file.exe 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1524 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1976 wrote to memory of 1524 1976 file.exe 27 PID 1976 wrote to memory of 1524 1976 file.exe 27 PID 1976 wrote to memory of 1524 1976 file.exe 27 PID 1976 wrote to memory of 1524 1976 file.exe 27 PID 1976 wrote to memory of 1524 1976 file.exe 27 PID 1976 wrote to memory of 1524 1976 file.exe 27 PID 1976 wrote to memory of 1524 1976 file.exe 27
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:1976 -
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:1524
-