Analysis
- max time kernel
152s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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 4 IoCs
resource yara_rule behavioral2/memory/4832-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4644-135-0x0000000002590000-0x0000000002599000-memory.dmp family_smokeloader behavioral2/memory/4832-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4832-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4644 set thread context of 4832 4644 file.exe 84 - 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 4832 file.exe 4832 file.exe 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found 2692 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2692 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4832 file.exe - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 2692 Process not Found Token: SeCreatePagefilePrivilege 2692 Process not Found Token: SeShutdownPrivilege 2692 Process not Found Token: SeCreatePagefilePrivilege 2692 Process not Found Token: SeShutdownPrivilege 2692 Process not Found Token: SeCreatePagefilePrivilege 2692 Process not Found Token: SeShutdownPrivilege 2692 Process not Found Token: SeCreatePagefilePrivilege 2692 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2692 Process not Found 2692 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4644 wrote to memory of 4832 4644 file.exe 84 PID 4644 wrote to memory of 4832 4644 file.exe 84 PID 4644 wrote to memory of 4832 4644 file.exe 84 PID 4644 wrote to memory of 4832 4644 file.exe 84 PID 4644 wrote to memory of 4832 4644 file.exe 84 PID 4644 wrote to memory of 4832 4644 file.exe 84
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:4644 -
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:4832
-