Analysis
- max time kernel
150s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
15/12/2022, 22:15
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 328KB
- Sample221215-158pfadf53
- SHA256 fe253a5e9c0dd8138d94383c900b8e002b85e3547b4a594ce08104c2bbfcd0cf
- MD5 4ed1e65d00426ae8adbe2c29682992c1
- SHA1 0be1e3f22767f8ce1677ccb19e50327dcf2c3525
- SHA512 9390944f6e53319a874647b01e25eaa0c39b42a00d8ad4092e7c6b82c1ec2de44a4641bfc086962e374940afab50c46430c3b79c08ede0a85785aa02211e2d29
- SSDEEP 6144:kY8BOLo4ckO7AGAaMgsNtg9K0iPvzpQ6ijLxQFiaI:ZHckOSx75xnzpQ6ijqF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3248-134-0x0000000002050000-0x0000000002059000-memory.dmp family_smokeloader behavioral2/memory/3876-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3876-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3876-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3248 set thread context of 3876 3248 file.exe 82 - 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 3876 file.exe 3876 file.exe 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found 2440 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2440 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3876 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3248 wrote to memory of 3876 3248 file.exe 82 PID 3248 wrote to memory of 3876 3248 file.exe 82 PID 3248 wrote to memory of 3876 3248 file.exe 82 PID 3248 wrote to memory of 3876 3248 file.exe 82 PID 3248 wrote to memory of 3876 3248 file.exe 82 PID 3248 wrote to memory of 3876 3248 file.exe 82
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:3248 -
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:3876
-