Analysis
- max time kernel
150s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system - submitted
27/09/2023, 15:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe
Resource
win10v2004-20230915-en
8 signatures
150 seconds
General
- Target 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe
- Size 266KB
- Sample230927-srgpssbf8x
- SHA256 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7
- MD5 e9ef33bfe856755c139e4105f3f35d3e
- SHA1 82730a1da0be3d9d67680c0bfe50f3c0e24fc36c
- SHA512 b132bcc05d4c0071c8d0ff1a3fa974c4be452c115257dec02f4cfed80b8d7b6e37797749b6b440cf10f22931219e78f59498c3c60450288fce6383cb08f25a45
- SSDEEP 6144:ue/nfCBHJx6cOrvT0ms0KTKD/ydLwMxNT:rf2px6cOzjsRTFdLJ5
- 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 2712 set thread context of 576 2712 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe 93 - 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 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 576 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe 576 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3132 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 576 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2712 wrote to memory of 576 2712 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe 93 PID 2712 wrote to memory of 576 2712 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe 93 PID 2712 wrote to memory of 576 2712 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe 93 PID 2712 wrote to memory of 576 2712 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe 93 PID 2712 wrote to memory of 576 2712 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe 93 PID 2712 wrote to memory of 576 2712 4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe 93 - 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\4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe"C:\Users\Admin\AppData\Local\Temp\4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Users\Admin\AppData\Local\Temp\4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe"C:\Users\Admin\AppData\Local\Temp\4be7753578798f812b7554df37d193a31efb2b4157b1322aba403681d75c8eb7.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:576
-