Analysis
- max time kernel
150s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
01/01/2023, 18:55
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 239KB
- Sample230101-xkr96sff4w
- SHA256 79e5213040477fa8c94831435dc1eb0803f4a985dc9bf1acd8bc5e4725f8ddbc
- MD5 8c3cc62185702f143fb40fe975a706b5
- SHA1 19e2358f4bb6993745c3b15edad01d1ac99e3aff
- SHA512 c641cf6f1a2810be460d89d0483659dffa0cb142ef620ca72b056e9e7ab5d4857c652ab264b16243ab60c3bca72826cecb51dda865fcfcb7afb305d6e662e7fe
- SSDEEP 3072:cXRnrwYBLldwsf/5nqMEaq5cLVTjLrNxghwWkSN1xM2nvQGW7iSWt:Y9jL7fQOHJT7NxWN1xV4b7i
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3028-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2104-135-0x0000000000670000-0x0000000000679000-memory.dmp family_smokeloader behavioral2/memory/3028-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3028-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2104 set thread context of 3028 2104 file.exe 80 - 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 3028 file.exe 3028 file.exe 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1192 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3028 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2104 wrote to memory of 3028 2104 file.exe 80 PID 2104 wrote to memory of 3028 2104 file.exe 80 PID 2104 wrote to memory of 3028 2104 file.exe 80 PID 2104 wrote to memory of 3028 2104 file.exe 80 PID 2104 wrote to memory of 3028 2104 file.exe 80 PID 2104 wrote to memory of 3028 2104 file.exe 80
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:2104 -
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:3028
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