Analysis
- max time kernel
150s - max time network
30s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
07/01/2023, 14:04
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 319KB
- Sample230107-rc9llahb2y
- SHA256 cbf2c5a93c74b03fa9ee576a128edbb78b1a11e2e00f6c0760639a852b13e288
- MD5 c11c31db3fdacae6c5f91cc84262dfb6
- SHA1 38739b2ac8310ffcfb9b82d412ccc80c8e2cd58f
- SHA512 7ed4d26670482cb2673bb8381b8bd94595cad17711e468d7bd31983dd92df9e80b507e0362643eaa2c58b4e3814dae0aa9073a29150e540f9c3c0f776cd2d32a
- SSDEEP 6144:z1coJ1aL4Y22DnlUSo+oFxMS/sJKrj15i6WbM:z+oJ1aUY22D1FoF/EJ+/i
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral1/memory/1692-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2004-59-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1692-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1692-58-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1692-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1692-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2004 set thread context of 1692 2004 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 1692 file.exe 1692 file.exe 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1212 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1692 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2004 wrote to memory of 1692 2004 file.exe 28 PID 2004 wrote to memory of 1692 2004 file.exe 28 PID 2004 wrote to memory of 1692 2004 file.exe 28 PID 2004 wrote to memory of 1692 2004 file.exe 28 PID 2004 wrote to memory of 1692 2004 file.exe 28 PID 2004 wrote to memory of 1692 2004 file.exe 28 PID 2004 wrote to memory of 1692 2004 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:2004 -
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:1692
-