Analysis
- max time kernel
150s - max time network
45s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
23/12/2022, 08:12
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
9 signatures
150 seconds
General
- Target file.exe
- Size 228KB
- Sample221223-j3vw5abd21
- SHA256 5a17a672a39ad5c7ca2e981f633d8ee3f1cec6f0dc31bb96350775b898c98944
- MD5 2c05052c3bb826f33c2ffc9a0f386435
- SHA1 ba42692ca5a9dafc489abc569c25b5c304b00ea8
- SHA512 01a04dee309908cee076c050465bbf6833fbb59b6456df9d22b77341590d89362f26cdf920c270b3b7679d3ef73f2ee3ec9e307e957cb6d2df06607d4f300a6c
- SSDEEP 3072:WJLwUzf5fYU4fm6hvsEq0WtCYZAiRtu+oukzREWBkOuRGK:CLwUFYU4v0omCYaDuk9EpjcK
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1996-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1980-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1996-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1996-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1996-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1980 set thread context of 1996 1980 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 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 1996 file.exe 1996 file.exe 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1996 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1980 wrote to memory of 1996 1980 file.exe 28 PID 1980 wrote to memory of 1996 1980 file.exe 28 PID 1980 wrote to memory of 1996 1980 file.exe 28 PID 1980 wrote to memory of 1996 1980 file.exe 28 PID 1980 wrote to memory of 1996 1980 file.exe 28 PID 1980 wrote to memory of 1996 1980 file.exe 28 PID 1980 wrote to memory of 1996 1980 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:1980 -
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:1996
-