Analysis
- max time kernel
151s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/10/2022, 08:06
Static task
static1
Behavioral task
behavioral1
Sample
a476b9f8156dec68502ecaf34ac716c3.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a476b9f8156dec68502ecaf34ac716c3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target a476b9f8156dec68502ecaf34ac716c3.exe
- Size 132KB
- Sample221003-jzfm2aedc6
- SHA256 c58407513465a4e620fda63cde906e624bcdc0c326cd0f7c6b68bda34ee38c4b
- MD5 a476b9f8156dec68502ecaf34ac716c3
- SHA1 737c728a9dd35db4f093b03a1ac5ee94a43eed87
- SHA512 b6908e5cf47fc1b6262b13052cef09e80e98cd79975a71bd5d02ea45a558a3e0f88df9a65cf08c21e8663449d9e818ae3560fc6e5e224b6c0f7927210f97fc6d
- SSDEEP 3072:7B3MqORbwgmoTCy4/JBRivOeTFuXtDHm3BRG:K5APBaFALm3BR
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4924-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2120-135-0x00000000022B0000-0x00000000022B9000-memory.dmp family_smokeloader behavioral2/memory/4924-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4924-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2120 set thread context of 4924 2120 a476b9f8156dec68502ecaf34ac716c3.exe 81 - 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 a476b9f8156dec68502ecaf34ac716c3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a476b9f8156dec68502ecaf34ac716c3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a476b9f8156dec68502ecaf34ac716c3.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4924 a476b9f8156dec68502ecaf34ac716c3.exe 4924 a476b9f8156dec68502ecaf34ac716c3.exe 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found 3060 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3060 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4924 a476b9f8156dec68502ecaf34ac716c3.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2120 wrote to memory of 4924 2120 a476b9f8156dec68502ecaf34ac716c3.exe 81 PID 2120 wrote to memory of 4924 2120 a476b9f8156dec68502ecaf34ac716c3.exe 81 PID 2120 wrote to memory of 4924 2120 a476b9f8156dec68502ecaf34ac716c3.exe 81 PID 2120 wrote to memory of 4924 2120 a476b9f8156dec68502ecaf34ac716c3.exe 81 PID 2120 wrote to memory of 4924 2120 a476b9f8156dec68502ecaf34ac716c3.exe 81 PID 2120 wrote to memory of 4924 2120 a476b9f8156dec68502ecaf34ac716c3.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\a476b9f8156dec68502ecaf34ac716c3.exe"C:\Users\Admin\AppData\Local\Temp\a476b9f8156dec68502ecaf34ac716c3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Users\Admin\AppData\Local\Temp\a476b9f8156dec68502ecaf34ac716c3.exe"C:\Users\Admin\AppData\Local\Temp\a476b9f8156dec68502ecaf34ac716c3.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4924
-