Analysis
- max time kernel
150s - max time network
50s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
27/12/2022, 03:34
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 229KB
- Sample221227-d4ryzaeb85
- SHA256 2fdf03da8f711985ce2760d13f039e2a0a503409d3a44d1bfd21be7dd669971b
- MD5 1cc3dc84ea02e884fc08a4716a508f50
- SHA1 7f6994a568b8350f5543a74403969a2884aac2f1
- SHA512 50ff59493fa3d929a441d38ca9c3f093a3755dbe072f789eab71ea151b5b2153745f3cf5e088c428839be318a2e0f0d56e5f1ed8fb1de3c3359d67655bf677c6
- SSDEEP 3072:DkStJLDS5g9/dI5h7C6DlqJk2skO7rw7SM4mdj2wPtYKs/xAI9h:HLD65BC4AG26rw34q2w1YDZ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1948-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1948-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1444-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1948-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1948-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1444 set thread context of 1948 1444 file.exe 27 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1948 file.exe 1948 file.exe 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1344 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1948 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27
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:1444 -
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:1948
-