Analysis
-
max time kernel
155s -
max time network
119s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
26-09-2021 11:49
Static task
static1
Behavioral task
behavioral1
Sample
eufive_20210923-211502.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
eufive_20210923-211502.exe
Resource
win10-en-20210920
General
-
Target
eufive_20210923-211502.exe
-
Size
119KB
-
MD5
35283c334f846ccb26e3de1061c7d43e
-
SHA1
64041989bf55e8039fa324611c9ee4b0bd6389aa
-
SHA256
0a450a95653d5538130a1ee5ba705d79c909759477d51e5955ffa6663b68dc5c
-
SHA512
5126e839378abdec91681027b2f84cbc4ce9769e70b3e12443612017a4fb59cd8cf5c24923ba560b9a82ca7f3cad5cb0374bb9afa932ba862a2cbbb3a88db0ff
Malware Config
Extracted
smokeloader
2020
http://sokdikksiiefgsdf.cyou/
https://sokdikksiiefgsdf.cyou/
Signatures
-
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Deletes itself 1 IoCs
Processes:
pid process 2648 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
eufive_20210923-211502.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eufive_20210923-211502.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eufive_20210923-211502.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI eufive_20210923-211502.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
eufive_20210923-211502.exepid process 2132 eufive_20210923-211502.exe 2132 eufive_20210923-211502.exe 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 2648 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 2648 -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
eufive_20210923-211502.exepid process 2132 eufive_20210923-211502.exe 2648 2648 2648 2648 2648 2648 -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
description pid process target process PID 2648 wrote to memory of 2564 2648 explorer.exe PID 2648 wrote to memory of 2564 2648 explorer.exe PID 2648 wrote to memory of 2564 2648 explorer.exe PID 2648 wrote to memory of 2564 2648 explorer.exe PID 2648 wrote to memory of 2712 2648 explorer.exe PID 2648 wrote to memory of 2712 2648 explorer.exe PID 2648 wrote to memory of 2712 2648 explorer.exe PID 2648 wrote to memory of 2884 2648 explorer.exe PID 2648 wrote to memory of 2884 2648 explorer.exe PID 2648 wrote to memory of 2884 2648 explorer.exe PID 2648 wrote to memory of 2884 2648 explorer.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\eufive_20210923-211502.exe"C:\Users\Admin\AppData\Local\Temp\eufive_20210923-211502.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2132-116-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
-
memory/2132-115-0x0000000000500000-0x00000000005AE000-memory.dmpFilesize
696KB
-
memory/2564-118-0x0000000000000000-mapping.dmp
-
memory/2564-119-0x0000000000CF0000-0x0000000000D64000-memory.dmpFilesize
464KB
-
memory/2564-120-0x0000000000C80000-0x0000000000CEB000-memory.dmpFilesize
428KB
-
memory/2648-117-0x0000000000B70000-0x0000000000B85000-memory.dmpFilesize
84KB
-
memory/2712-121-0x0000000000000000-mapping.dmp
-
memory/2712-123-0x0000000000BD0000-0x0000000000BDC000-memory.dmpFilesize
48KB
-
memory/2712-122-0x0000000000BE0000-0x0000000000BE7000-memory.dmpFilesize
28KB
-
memory/2884-124-0x0000000000000000-mapping.dmp
-
memory/2884-126-0x0000000000170000-0x000000000017B000-memory.dmpFilesize
44KB
-
memory/2884-125-0x0000000000180000-0x0000000000188000-memory.dmpFilesize
32KB