Analysis
- max time kernel
151s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
23/02/2023, 01:01
Static task
static1
Behavioral task
behavioral1
Sample
29cf4ee689e1663d0d534af24edd5e9e.exe
Resource
win7-20230220-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
29cf4ee689e1663d0d534af24edd5e9e.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 29cf4ee689e1663d0d534af24edd5e9e.exe
- Size 202KB
- Sample230223-bc8fjaec46
- SHA256 40dd33f8816f85541430af34a6e7bd7579fa0fa46bfdf482cac644d0bbd8fd09
- MD5 29cf4ee689e1663d0d534af24edd5e9e
- SHA1 63f7a936cba60b7ee6e05ed9f7fb8c53c8bb97ad
- SHA512 238d05e52ea32f0a20e55194059236713b2ef7f1d3e7ba5cca1805d85f3578dc63042789f70a6f3a4e87ef88153f44401a28d7ce54ec86337716976b0d1c6841
- SSDEEP 3072:uliHYkFLjA2vNhxXYAXBCXt2yF0RWChs2eGLNSdCa//iS4f+qjH7mut:xHLFL1hXIt2XRWQs2NLsdCa/bW22
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-file-host6.com/
-
http://host-host-file8.com/
rc4.i32
rc4.i32
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2300-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3728-135-0x00000000006B0000-0x00000000006B9000-memory.dmp family_smokeloader behavioral2/memory/2300-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2300-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3728 set thread context of 2300 3728 29cf4ee689e1663d0d534af24edd5e9e.exe 83 - 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 29cf4ee689e1663d0d534af24edd5e9e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 29cf4ee689e1663d0d534af24edd5e9e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 29cf4ee689e1663d0d534af24edd5e9e.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2300 29cf4ee689e1663d0d534af24edd5e9e.exe 2300 29cf4ee689e1663d0d534af24edd5e9e.exe 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2788 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2300 29cf4ee689e1663d0d534af24edd5e9e.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3728 wrote to memory of 2300 3728 29cf4ee689e1663d0d534af24edd5e9e.exe 83 PID 3728 wrote to memory of 2300 3728 29cf4ee689e1663d0d534af24edd5e9e.exe 83 PID 3728 wrote to memory of 2300 3728 29cf4ee689e1663d0d534af24edd5e9e.exe 83 PID 3728 wrote to memory of 2300 3728 29cf4ee689e1663d0d534af24edd5e9e.exe 83 PID 3728 wrote to memory of 2300 3728 29cf4ee689e1663d0d534af24edd5e9e.exe 83 PID 3728 wrote to memory of 2300 3728 29cf4ee689e1663d0d534af24edd5e9e.exe 83 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\29cf4ee689e1663d0d534af24edd5e9e.exe"C:\Users\Admin\AppData\Local\Temp\29cf4ee689e1663d0d534af24edd5e9e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3728 -
C:\Users\Admin\AppData\Local\Temp\29cf4ee689e1663d0d534af24edd5e9e.exe"C:\Users\Admin\AppData\Local\Temp\29cf4ee689e1663d0d534af24edd5e9e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2300
-