Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
20/12/2022, 00:07
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 304KB
- Sample221220-aebc5sgd64
- SHA256 7b0960d2c885e2eab86c381f4e97ceaea1381d432cf84dd240e569ef203c2f00
- MD5 e909516fbd1d8a98d5e6febc6c0181e8
- SHA1 5db2ed42143783b3c71850f2bb3a6787dbe8d8bb
- SHA512 a93bc3857f2ffbbfd206b62e9d6bb5c15f0260012d99c53a5a091c6523f7953f84ffe3571fb5b7143d95b3ceb1671c311d6d0749818c975c7a89f1ff2547bc7e
- SSDEEP 6144:P/L9CEo2rdrc/z3KLwJ3dPtLfy5yxrI63QZImQKG0:XpCEo2yTtJ3d1La0xNQZW
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3540-133-0x00000000005E0000-0x00000000005E9000-memory.dmp family_smokeloader behavioral2/memory/684-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/684-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/684-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3540 set thread context of 684 3540 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe 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 684 file.exe 684 file.exe 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found 1952 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1952 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 684 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3540 wrote to memory of 684 3540 file.exe 84 PID 3540 wrote to memory of 684 3540 file.exe 84 PID 3540 wrote to memory of 684 3540 file.exe 84 PID 3540 wrote to memory of 684 3540 file.exe 84 PID 3540 wrote to memory of 684 3540 file.exe 84 PID 3540 wrote to memory of 684 3540 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:3540 -
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:684
-