Analysis
- max time kernel
153s - max time network
120s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
01/02/2022, 16:47
Static task
static1
Behavioral task
behavioral1
Sample
146ba50c856458a83d995157d10814e8.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
146ba50c856458a83d995157d10814e8.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 146ba50c856458a83d995157d10814e8.exe
- Size 214KB
- Sample220201-vah8eahfar
- SHA256 9f63f2746aa850347f9c5b13516d9463df41271cef7a39fc33c775cdaa8ebf1b
- MD5 146ba50c856458a83d995157d10814e8
- SHA1 d08b3e3ed714113ecd96b0c246f4d02872b323c1
- SHA512 be57aca83643bac095b73f1d630b4ea4d6a897cb8f3574f10b5d5b3f2e3dae7fc539d4fcd54d42f3a7cccc0a83f06fbbb001fa7458b1613f68ea20cbbecbf41e
- 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.
- Executes dropped EXE 1 IoCs
pid Process 960 dfrvbba - Deletes itself 1 IoCs
pid Process 1408 Process not Found - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 812 set thread context of 2036 812 146ba50c856458a83d995157d10814e8.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 146ba50c856458a83d995157d10814e8.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 146ba50c856458a83d995157d10814e8.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 146ba50c856458a83d995157d10814e8.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2036 146ba50c856458a83d995157d10814e8.exe 2036 146ba50c856458a83d995157d10814e8.exe 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found 1408 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2036 146ba50c856458a83d995157d10814e8.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1408 Process not Found 1408 Process not Found - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1408 Process not Found 1408 Process not Found - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 812 wrote to memory of 2036 812 146ba50c856458a83d995157d10814e8.exe 27 PID 812 wrote to memory of 2036 812 146ba50c856458a83d995157d10814e8.exe 27 PID 812 wrote to memory of 2036 812 146ba50c856458a83d995157d10814e8.exe 27 PID 812 wrote to memory of 2036 812 146ba50c856458a83d995157d10814e8.exe 27 PID 812 wrote to memory of 2036 812 146ba50c856458a83d995157d10814e8.exe 27 PID 812 wrote to memory of 2036 812 146ba50c856458a83d995157d10814e8.exe 27 PID 812 wrote to memory of 2036 812 146ba50c856458a83d995157d10814e8.exe 27 PID 1084 wrote to memory of 960 1084 taskeng.exe 31 PID 1084 wrote to memory of 960 1084 taskeng.exe 31 PID 1084 wrote to memory of 960 1084 taskeng.exe 31 PID 1084 wrote to memory of 960 1084 taskeng.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\146ba50c856458a83d995157d10814e8.exe"C:\Users\Admin\AppData\Local\Temp\146ba50c856458a83d995157d10814e8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Users\Admin\AppData\Local\Temp\146ba50c856458a83d995157d10814e8.exe"C:\Users\Admin\AppData\Local\Temp\146ba50c856458a83d995157d10814e8.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2036
-
-
C:\Windows\system32\taskeng.exetaskeng.exe {41449974-BAF8-4E28-91F0-E522D57A7F03} S-1-5-21-3846991908-3261386348-1409841751-1000:VQVVOAJK\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Users\Admin\AppData\Roaming\dfrvbbaC:\Users\Admin\AppData\Roaming\dfrvbba2⤵
- Executes dropped EXE
PID:960
-