Analysis
- max time kernel
170s - max time network
201s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
07/03/2022, 08:37
Static task
static1
Behavioral task
behavioral1
Sample
4b230c1c706b23f788bb74c909a71e66.exe
Resource
win7-20220223-en
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
4b230c1c706b23f788bb74c909a71e66.exe
Resource
win10v2004-en-20220113
windows10-2004_x64
0 signatures
0 seconds
General
- Target 4b230c1c706b23f788bb74c909a71e66.exe
- Size 293KB
- Sample220307-kh6zbscbc4
- SHA256 b1fc51985468f83b08e016da98a0a09c2bfcef9399cebabae655ff4cf990fc7d
- MD5 4b230c1c706b23f788bb74c909a71e66
- SHA1 d7befbd25856f5278650215d55d48d7c086b7508
- SHA512 1c8b7cca0e8db2506784c0907a778c6c934194affc40d439da3dcb9d22366270d5b5faf1d68b0516b7930c95ed2b217b1de2b0268d2f8806942b0ab249f4cb14
- 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.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1876 set thread context of 2848 1876 4b230c1c706b23f788bb74c909a71e66.exe 81 - 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 4b230c1c706b23f788bb74c909a71e66.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4b230c1c706b23f788bb74c909a71e66.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4b230c1c706b23f788bb74c909a71e66.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2848 4b230c1c706b23f788bb74c909a71e66.exe 2848 4b230c1c706b23f788bb74c909a71e66.exe 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found 8 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 8 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2848 4b230c1c706b23f788bb74c909a71e66.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 8 Process not Found Token: SeCreatePagefilePrivilege 8 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1876 wrote to memory of 2848 1876 4b230c1c706b23f788bb74c909a71e66.exe 81 PID 1876 wrote to memory of 2848 1876 4b230c1c706b23f788bb74c909a71e66.exe 81 PID 1876 wrote to memory of 2848 1876 4b230c1c706b23f788bb74c909a71e66.exe 81 PID 1876 wrote to memory of 2848 1876 4b230c1c706b23f788bb74c909a71e66.exe 81 PID 1876 wrote to memory of 2848 1876 4b230c1c706b23f788bb74c909a71e66.exe 81 PID 1876 wrote to memory of 2848 1876 4b230c1c706b23f788bb74c909a71e66.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\4b230c1c706b23f788bb74c909a71e66.exe"C:\Users\Admin\AppData\Local\Temp\4b230c1c706b23f788bb74c909a71e66.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Users\Admin\AppData\Local\Temp\4b230c1c706b23f788bb74c909a71e66.exe"C:\Users\Admin\AppData\Local\Temp\4b230c1c706b23f788bb74c909a71e66.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2848
-