Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
30/12/2022, 10:21
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 234KB
- Sample221230-mdm2rsaf6v
- SHA256 9283abb7dcb337dc3df7c06f3e6ffbe2eb207329a8a4a17cbb93ec051fd0fc94
- MD5 92925b71810b10d1b46388d15612e65f
- SHA1 c017b3accecb0630af863b1b5109f7e832f8898e
- SHA512 1f39393b3552947dc9e77e6c07353e66ee48a04a4f8ca92758fbb83e8c8260554cef0a689a7d449a67605be7ad469d2d36e7a5747caf449d0c4a074dfd90d0c5
- SSDEEP 3072:ESFL7pLROVM3CnQUzPLNLU8y5/LU8y5k7XUlB6xuqqb53y1teM:tL7pcsSPpo5oK7EOx3E5
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3800-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2224-135-0x0000000002050000-0x0000000002059000-memory.dmp family_smokeloader behavioral2/memory/3800-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3800-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2224 set thread context of 3800 2224 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 3800 file.exe 3800 file.exe 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2864 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3800 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2224 wrote to memory of 3800 2224 file.exe 84 PID 2224 wrote to memory of 3800 2224 file.exe 84 PID 2224 wrote to memory of 3800 2224 file.exe 84 PID 2224 wrote to memory of 3800 2224 file.exe 84 PID 2224 wrote to memory of 3800 2224 file.exe 84 PID 2224 wrote to memory of 3800 2224 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:2224 -
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:3800
-