Analysis
- max time kernel
150s - max time network
30s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
23/03/2023, 16:08
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target file.exe
- Size 250KB
- Sample230323-tk74vagg38
- SHA256 2460b900e7cca5a66f1d84ba794d0a471496165b3225e9e7a9acf6ee1ec8e887
- MD5 efa38b382d4573acf04a35d0add913bd
- SHA1 95f164e9809d34d9d0b95ed2d26932762f18c52e
- SHA512 f83b575e594384aa513cd1d8c15e74a66b9df873c751a2c749349888059b4e63fc0935427b3bbba27b2aef917fc7d5c177a5fba65ec966c6a30f30388e8d4f4b
- SSDEEP 3072:jUfGVdpcaV0LkN5iSx3ffSOp8Ij39aNKwycwt+otwk3mnLPzJ5Rupot:acV0L6Ew3zp/9NVcEtkLR4
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
lab
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-file-host6.com/
-
http://host-host-file8.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1704 set thread context of 912 1704 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 912 file.exe 912 file.exe 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1336 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 912 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1704 wrote to memory of 912 1704 file.exe 28 PID 1704 wrote to memory of 912 1704 file.exe 28 PID 1704 wrote to memory of 912 1704 file.exe 28 PID 1704 wrote to memory of 912 1704 file.exe 28 PID 1704 wrote to memory of 912 1704 file.exe 28 PID 1704 wrote to memory of 912 1704 file.exe 28 PID 1704 wrote to memory of 912 1704 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:1704 -
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:912
-