Analysis
- max time kernel
151s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
11/05/2023, 09:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c793d6abd7b650691d9225f453fb0ae9.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
c793d6abd7b650691d9225f453fb0ae9.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target c793d6abd7b650691d9225f453fb0ae9.exe
- Size 328KB
- Sample230511-lrfn6sch37
- SHA256 4df3c7555abcb8c377c24a2622b7b48e2f51db456ecd08f32354df1ae32b8de1
- MD5 c793d6abd7b650691d9225f453fb0ae9
- SHA1 8d01cea909006b60d5d1fd32a55567b0d13a025f
- SHA512 1866e83336e605c11187a4975b507a93f56bddcf0182ad312b8fbf6d9be3a243df88f2b14cef561615964951abdeef39984c222a5228555df3de1f76b2b83d74
- SSDEEP 3072:SEKl5fHqzuecb4yRAU5TAstLf3kldnYFIqLi5AvyI5tsNoUp38wR:IPccprTAsxf3kldnUIqLirI6f
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
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 1340 set thread context of 2836 1340 c793d6abd7b650691d9225f453fb0ae9.exe 83 - 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 c793d6abd7b650691d9225f453fb0ae9.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c793d6abd7b650691d9225f453fb0ae9.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI c793d6abd7b650691d9225f453fb0ae9.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2836 c793d6abd7b650691d9225f453fb0ae9.exe 2836 c793d6abd7b650691d9225f453fb0ae9.exe 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found 3172 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3172 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2836 c793d6abd7b650691d9225f453fb0ae9.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1340 wrote to memory of 2836 1340 c793d6abd7b650691d9225f453fb0ae9.exe 83 PID 1340 wrote to memory of 2836 1340 c793d6abd7b650691d9225f453fb0ae9.exe 83 PID 1340 wrote to memory of 2836 1340 c793d6abd7b650691d9225f453fb0ae9.exe 83 PID 1340 wrote to memory of 2836 1340 c793d6abd7b650691d9225f453fb0ae9.exe 83 PID 1340 wrote to memory of 2836 1340 c793d6abd7b650691d9225f453fb0ae9.exe 83 PID 1340 wrote to memory of 2836 1340 c793d6abd7b650691d9225f453fb0ae9.exe 83 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\c793d6abd7b650691d9225f453fb0ae9.exe"C:\Users\Admin\AppData\Local\Temp\c793d6abd7b650691d9225f453fb0ae9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Users\Admin\AppData\Local\Temp\c793d6abd7b650691d9225f453fb0ae9.exe"C:\Users\Admin\AppData\Local\Temp\c793d6abd7b650691d9225f453fb0ae9.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2836
-