Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
26/01/2023, 14:17
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 201KB
- Sample230126-rlpb1sfc71
- SHA256 bbd358ebc86fcf572727eac82d23302d0dd26152686522af90a89cc128e6378e
- MD5 5b6f59e1deb86d14b9d19baa2b8ed001
- SHA1 ccd68839186d9b56496f53685b911f241695f7a2
- SHA512 d71142a5c2945dcca117dec18eab8beda063165eba9fc55f80d34ff59006bb3884a969c766ce41925bcaed1f1b15b3657d678265c26a879f518e7b9069b7c0b5
- SSDEEP 3072:yBN2hlPsyQLQFmNxFNRk5sjasZvLiir6HFPNjdEvrYsmxq/GL:mKQLQAzFNRU6z/riF5WOq
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2176-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4160-135-0x0000000002C50000-0x0000000002C59000-memory.dmp family_smokeloader behavioral2/memory/2176-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2176-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4160 set thread context of 2176 4160 file.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 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 2176 file.exe 2176 file.exe 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found 2600 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2600 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2176 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4160 wrote to memory of 2176 4160 file.exe 83 PID 4160 wrote to memory of 2176 4160 file.exe 83 PID 4160 wrote to memory of 2176 4160 file.exe 83 PID 4160 wrote to memory of 2176 4160 file.exe 83 PID 4160 wrote to memory of 2176 4160 file.exe 83 PID 4160 wrote to memory of 2176 4160 file.exe 83
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:4160 -
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:2176
-