Analysis
- max time kernel
150s - max time network
108s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
01/11/2022, 07:01
Static task
static1
Behavioral task
behavioral1
Sample
42deb071504be5f18f7d4ff32a9b2f11.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
42deb071504be5f18f7d4ff32a9b2f11.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 42deb071504be5f18f7d4ff32a9b2f11.exe
- Size 210KB
- Sample221101-hs782ahbb6
- SHA256 02cc8b89e4447c2c51efd8e5c2d4b9701b7e8d99805ad2524aad34a303b5093d
- MD5 42deb071504be5f18f7d4ff32a9b2f11
- SHA1 8edf1b89ccb724eb3a60b10ddd61fea8a3dca5a6
- SHA512 b9a39e9becab538c4e0a391e5c867de86ea2fe67630079084082804ddaf7c890e6ff8d0f2115de6910b06e7361b60f51e9e858182cfed4df37f840ea25c84bb2
- SSDEEP 3072:UI0aNg6Z8k9G0HLiP6Jn5/5K+sIxYGns2HyguhwSMUVsr/HWxgseTx:UI7BZh9GYLiPmOpTq20Q4WxgD
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/5048-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/892-135-0x0000000000710000-0x0000000000719000-memory.dmp family_smokeloader behavioral2/memory/5048-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5048-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 892 set thread context of 5048 892 42deb071504be5f18f7d4ff32a9b2f11.exe 77 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 42deb071504be5f18f7d4ff32a9b2f11.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 42deb071504be5f18f7d4ff32a9b2f11.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 42deb071504be5f18f7d4ff32a9b2f11.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5048 42deb071504be5f18f7d4ff32a9b2f11.exe 5048 42deb071504be5f18f7d4ff32a9b2f11.exe 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found 2984 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2984 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5048 42deb071504be5f18f7d4ff32a9b2f11.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 892 wrote to memory of 5048 892 42deb071504be5f18f7d4ff32a9b2f11.exe 77 PID 892 wrote to memory of 5048 892 42deb071504be5f18f7d4ff32a9b2f11.exe 77 PID 892 wrote to memory of 5048 892 42deb071504be5f18f7d4ff32a9b2f11.exe 77 PID 892 wrote to memory of 5048 892 42deb071504be5f18f7d4ff32a9b2f11.exe 77 PID 892 wrote to memory of 5048 892 42deb071504be5f18f7d4ff32a9b2f11.exe 77 PID 892 wrote to memory of 5048 892 42deb071504be5f18f7d4ff32a9b2f11.exe 77
Processes
-
C:\Users\Admin\AppData\Local\Temp\42deb071504be5f18f7d4ff32a9b2f11.exe"C:\Users\Admin\AppData\Local\Temp\42deb071504be5f18f7d4ff32a9b2f11.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Users\Admin\AppData\Local\Temp\42deb071504be5f18f7d4ff32a9b2f11.exe"C:\Users\Admin\AppData\Local\Temp\42deb071504be5f18f7d4ff32a9b2f11.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5048
-