Analysis
- max time kernel
150s - max time network
46s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
11/01/2023, 04:37
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 267KB
- Sample230111-e8th2aad88
- SHA256 09b06168acca8ba29dfe3da219df74e03aac0baf6231c8ff5ad3221ca425ca02
- MD5 e52856eb703a3279c20a0ecea2e00a0b
- SHA1 a7aedfcc2cd389bda6cf549c5385123e909ab142
- SHA512 c544fe7da930aa622a92c85cbcc9c9883eae90f2679e77cd37cd582ea36fd600bb9c503d52cb116d240f9a6610c070deef2b7b0d2cb8c1c6e99672ca2bcd7652
- SSDEEP 3072:HXEc1RD9J3JMLJjvgsOTQ5e1coq3HsufxT60vlSmv2puUkj8BNCanng0Pb:37XRJMLaBT5Zq3HsqTzMmvi7Nng6
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/952-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/952-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1728-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/952-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/952-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1728 set thread context of 952 1728 file.exe 28 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 952 file.exe 952 file.exe 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found 1432 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 952 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1728 wrote to memory of 952 1728 file.exe 28 PID 1728 wrote to memory of 952 1728 file.exe 28 PID 1728 wrote to memory of 952 1728 file.exe 28 PID 1728 wrote to memory of 952 1728 file.exe 28 PID 1728 wrote to memory of 952 1728 file.exe 28 PID 1728 wrote to memory of 952 1728 file.exe 28 PID 1728 wrote to memory of 952 1728 file.exe 28
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:1728 -
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:952
-