Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
13/02/2023, 05:46
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 180KB
- Sample230213-ggamysbb95
- SHA256 3946eba316d97091d39adabfcd310d015b49a694fdc5ec6360d8e3a2bf4f7add
- MD5 f2b513354985dcc6c865179192b8d71f
- SHA1 3b9c1b9ae3d14bf18a7a2cecca674da7293352f4
- SHA512 4957641d2a64f42919d150c2a5a47ffb1831c9ff4a4c961426bb04a904170a318ddd2644573488eac73af6639b55451994f226d669de19f9e536eac80e0a5f54
- SSDEEP 3072:2azL2anEx35XMTXkAcYYBokCjziuaxk+3cqg0F:2qniBMLkA1YBruQk
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1084-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4940-135-0x0000000000A20000-0x0000000000A29000-memory.dmp family_smokeloader behavioral2/memory/1084-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1084-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4940 set thread context of 1084 4940 file.exe 82 - 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 1084 file.exe 1084 file.exe 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found 1124 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1124 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1084 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4940 wrote to memory of 1084 4940 file.exe 82 PID 4940 wrote to memory of 1084 4940 file.exe 82 PID 4940 wrote to memory of 1084 4940 file.exe 82 PID 4940 wrote to memory of 1084 4940 file.exe 82 PID 4940 wrote to memory of 1084 4940 file.exe 82 PID 4940 wrote to memory of 1084 4940 file.exe 82
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:4940 -
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:1084
-