Analysis
- max time kernel
157s - max time network
118s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
24/01/2022, 07:01
Static task
static1
Behavioral task
behavioral1
Sample
3b8d7ff1cc173d9a3b421e64b7ce4e93.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
3b8d7ff1cc173d9a3b421e64b7ce4e93.exe
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
General
- Target 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe
- Size 249KB
- Sample220124-hs782adfcn
- SHA256 02b9159f39f4912af2fa68281a500161302f34cd00ce7dfd22861728e55f8956
- MD5 3b8d7ff1cc173d9a3b421e64b7ce4e93
- SHA1 1595a4c91fb4dd69802b4ccb1df52ee5912a9a58
- SHA512 5906f87bdd8370ec07b4171a05bd06e59da9e925830a5f6ae56083d03149a6e59b5ff86eec78e8eed54c3bd18ec5113ba5b8e84b6097ef05b70a1b07f28c5f82
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-data-coin-11.com/
-
http://file-coin-host-12.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
pid Process 1300 Process not Found - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 956 set thread context of 1608 956 3b8d7ff1cc173d9a3b421e64b7ce4e93.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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1608 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe 1608 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found 1300 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1300 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1608 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1300 Process not Found 1300 Process not Found - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1300 Process not Found 1300 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 956 wrote to memory of 1608 956 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe 27 PID 956 wrote to memory of 1608 956 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe 27 PID 956 wrote to memory of 1608 956 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe 27 PID 956 wrote to memory of 1608 956 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe 27 PID 956 wrote to memory of 1608 956 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe 27 PID 956 wrote to memory of 1608 956 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe 27 PID 956 wrote to memory of 1608 956 3b8d7ff1cc173d9a3b421e64b7ce4e93.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\3b8d7ff1cc173d9a3b421e64b7ce4e93.exe"C:\Users\Admin\AppData\Local\Temp\3b8d7ff1cc173d9a3b421e64b7ce4e93.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Users\Admin\AppData\Local\Temp\3b8d7ff1cc173d9a3b421e64b7ce4e93.exe"C:\Users\Admin\AppData\Local\Temp\3b8d7ff1cc173d9a3b421e64b7ce4e93.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1608
-