Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
25/12/2022, 07:51
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 222KB
- Sample221225-jptf5sbc44
- SHA256 2af033f26c04f2fdbbedbd9016c40356b1924f276c503dad597c32b2bf1136cf
- MD5 3821da74120d09a663435e698b4771ec
- SHA1 c77f0243d5631ea43d79fe73679933f6c22739cb
- SHA512 0b8b9e8366b59598b4a3e8f8cc7e59f1cab7fd343a91e0726d7dea6077623d7262e410f63338308beccddcf154956bf23c40189891ceca1d03c732ed8ed9a5d4
- SSDEEP 3072:6DVuyLjLD05M/Z48v+3XZexgsJDRGauDnM3f/ln:aLHDra8v+3pSN5saM4
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4288-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5116-135-0x00000000004A0000-0x00000000004A9000-memory.dmp family_smokeloader behavioral2/memory/4288-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4288-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5116 set thread context of 4288 5116 file.exe 80 - 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 4288 file.exe 4288 file.exe 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 684 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4288 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5116 wrote to memory of 4288 5116 file.exe 80 PID 5116 wrote to memory of 4288 5116 file.exe 80 PID 5116 wrote to memory of 4288 5116 file.exe 80 PID 5116 wrote to memory of 4288 5116 file.exe 80 PID 5116 wrote to memory of 4288 5116 file.exe 80 PID 5116 wrote to memory of 4288 5116 file.exe 80
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:5116 -
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:4288
-