Analysis
- max time kernel
150s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
30/03/2023, 14:26
Static task
static1
Behavioral task
behavioral1
Sample
4320fffd20bf66e6eb74f2a1111cbe28.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
4320fffd20bf66e6eb74f2a1111cbe28.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 4320fffd20bf66e6eb74f2a1111cbe28.exe
- Size 224KB
- Sample230330-rrt5fsda64
- SHA256 a972d9e46c6bb59384ae8c522fdf36281dae6556155379af01807f6cf7563e8f
- MD5 4320fffd20bf66e6eb74f2a1111cbe28
- SHA1 75401c78bfe66efe02aa2fb11045353cc06fc906
- SHA512 964b37832f5b3400bd5e17cc1a8787400115e40185464be3ec1cc3ecb3c10631ad6351332a2d251aa584b31ad26b556d49594adcab26b0bf783914420b406edb
- SSDEEP 3072:CTZATtRSZIXwafb1Xf9pMO9/C+yXk83KRA82nq4Py/6EURM6LqQ80:02Trn++ik8Tnq4PY6PL
- 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 2544 set thread context of 4028 2544 4320fffd20bf66e6eb74f2a1111cbe28.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 4320fffd20bf66e6eb74f2a1111cbe28.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4320fffd20bf66e6eb74f2a1111cbe28.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4320fffd20bf66e6eb74f2a1111cbe28.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4028 4320fffd20bf66e6eb74f2a1111cbe28.exe 4028 4320fffd20bf66e6eb74f2a1111cbe28.exe 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found 748 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 748 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4028 4320fffd20bf66e6eb74f2a1111cbe28.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2544 wrote to memory of 4028 2544 4320fffd20bf66e6eb74f2a1111cbe28.exe 83 PID 2544 wrote to memory of 4028 2544 4320fffd20bf66e6eb74f2a1111cbe28.exe 83 PID 2544 wrote to memory of 4028 2544 4320fffd20bf66e6eb74f2a1111cbe28.exe 83 PID 2544 wrote to memory of 4028 2544 4320fffd20bf66e6eb74f2a1111cbe28.exe 83 PID 2544 wrote to memory of 4028 2544 4320fffd20bf66e6eb74f2a1111cbe28.exe 83 PID 2544 wrote to memory of 4028 2544 4320fffd20bf66e6eb74f2a1111cbe28.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\4320fffd20bf66e6eb74f2a1111cbe28.exe"C:\Users\Admin\AppData\Local\Temp\4320fffd20bf66e6eb74f2a1111cbe28.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Users\Admin\AppData\Local\Temp\4320fffd20bf66e6eb74f2a1111cbe28.exe"C:\Users\Admin\AppData\Local\Temp\4320fffd20bf66e6eb74f2a1111cbe28.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4028
-