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
04/02/2023, 12:18
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
10 signatures
150 seconds
General
- Target file.exe
- Size 191KB
- Sample230204-pgldfsgf2v
- SHA256 6b1240a3b53ac9be8992347c3ff354c5270d756c265c0b9587ba586f837ab889
- MD5 113a21345729c63ce7ba40961ddfe9dd
- SHA1 ca40914844dd8a52d4b90c8cedc4ef63adb711ae
- SHA512 48ff0ae37c3f7404764280fae587cee4376e884ff5fb2554e4d9c0546a78696ef1b94ffd57a71624fbca5c07c14fc77e37acbe626733cda527b2413a759d7e1e
- SSDEEP 3072:R6+JJTFGY/xLFk/rL0WhV55IRvi/bCc4W84yXr9O4b79:R6uL/xLW//0UR4W84y79Oo
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/688-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/688-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1520-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/688-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/688-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1520 set thread context of 688 1520 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 688 file.exe 688 file.exe 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 688 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1520 wrote to memory of 688 1520 file.exe 28 PID 1520 wrote to memory of 688 1520 file.exe 28 PID 1520 wrote to memory of 688 1520 file.exe 28 PID 1520 wrote to memory of 688 1520 file.exe 28 PID 1520 wrote to memory of 688 1520 file.exe 28 PID 1520 wrote to memory of 688 1520 file.exe 28 PID 1520 wrote to memory of 688 1520 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:1520 -
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:688
-