Analysis
- max time kernel
150s - max time network
34s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
18/12/2022, 04:37
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
win10v2004-20221111-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target file.exe
- Size 215KB
- Sample221218-e8sxhade8s
- SHA256 b3df501713678b476ab601ed6afb83ccbc82ef2c306190e5d358aef52729a7e1
- MD5 f32bc2d6731229b8eaf2d0ca1e2d77f6
- SHA1 3eb9d9b838ffdaaca34cb3a3bf5f4c9bcb43f8d4
- SHA512 6a4da81957646261e639d8ef583f8e0d8de69cde0c788a5615309fa7655751ab1865a21e83eeac60d9f58083c1de4a6594f3345dd4d334eeff17bd269d0c46bc
- SSDEEP 3072:rRoDqisCLl2ZwRRuUkwK2/L5NO8/g3xo0MnPpjMtG3ERWR3LV:2DqrCLl20n/9NTg3C7PpjMsU0VB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/620-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1336-59-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/620-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/620-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/620-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1336 set thread context of 620 1336 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 620 file.exe 620 file.exe 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found 1248 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1248 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 620 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1336 wrote to memory of 620 1336 file.exe 28 PID 1336 wrote to memory of 620 1336 file.exe 28 PID 1336 wrote to memory of 620 1336 file.exe 28 PID 1336 wrote to memory of 620 1336 file.exe 28 PID 1336 wrote to memory of 620 1336 file.exe 28 PID 1336 wrote to memory of 620 1336 file.exe 28 PID 1336 wrote to memory of 620 1336 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:1336 -
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:620
-