Analysis
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max time kernel
300s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01-04-2024 04:55
Static task
static1
Behavioral task
behavioral1
Sample
45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe
Resource
win10-20240221-en
General
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Target
45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe
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Size
200KB
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MD5
fc846c506998587bc4e8cd630d5d49a0
-
SHA1
a74e9f9c26360886b64e8da795c246f79ca7edb9
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SHA256
45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19
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SHA512
4820b4d24c0b7440fc5e293436c5ce0be0f186c1960291f1d1473ed1413aa105939ed067908e30f315c2f5c6da1d30d1f7de6876382fe419babf2c31072f504d
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SSDEEP
3072:sMgGq31SQxXEy8H/QtWP4lTY09q9VeXbzVQQWFSSg8epaof9hJ:sMy31SQxX/8HW/9YV+beQQVPIf9
Malware Config
Extracted
smokeloader
pub3
Extracted
smokeloader
2022
http://nidoe.org/tmp/index.php
http://sodez.ru/tmp/index.php
http://uama.com.ua/tmp/index.php
http://talesofpirates.net/tmp/index.php
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
Processes:
pid process 1392 -
Executes dropped EXE 1 IoCs
Processes:
rcrbbtcpid process 2080 rcrbbtc -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
rcrbbtc45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI rcrbbtc Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI rcrbbtc Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI rcrbbtc -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exepid process 2160 45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe 2160 45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 1392 -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exercrbbtcpid process 2160 45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe 2080 rcrbbtc -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 1392 -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
taskeng.exedescription pid process target process PID 1048 wrote to memory of 2080 1048 taskeng.exe rcrbbtc PID 1048 wrote to memory of 2080 1048 taskeng.exe rcrbbtc PID 1048 wrote to memory of 2080 1048 taskeng.exe rcrbbtc PID 1048 wrote to memory of 2080 1048 taskeng.exe rcrbbtc
Processes
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C:\Users\Admin\AppData\Local\Temp\45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe"C:\Users\Admin\AppData\Local\Temp\45cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\taskeng.exetaskeng.exe {F38EFE1A-8805-4C86-9F45-823ED1023A28} S-1-5-21-778096762-2241304387-192235952-1000:AYFLYVMK\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\rcrbbtcC:\Users\Admin\AppData\Roaming\rcrbbtc2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\rcrbbtcFilesize
200KB
MD5fc846c506998587bc4e8cd630d5d49a0
SHA1a74e9f9c26360886b64e8da795c246f79ca7edb9
SHA25645cde5310498c957f5120a4ab74c2ff666ac4fda9bcc0bc905047665d208bd19
SHA5124820b4d24c0b7440fc5e293436c5ce0be0f186c1960291f1d1473ed1413aa105939ed067908e30f315c2f5c6da1d30d1f7de6876382fe419babf2c31072f504d
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memory/1392-4-0x00000000038D0000-0x00000000038E6000-memory.dmpFilesize
88KB
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memory/1392-16-0x00000000029F0000-0x0000000002A06000-memory.dmpFilesize
88KB
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memory/2080-14-0x0000000000660000-0x0000000000760000-memory.dmpFilesize
1024KB
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memory/2080-15-0x0000000000400000-0x0000000000536000-memory.dmpFilesize
1.2MB
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memory/2080-17-0x0000000000400000-0x0000000000536000-memory.dmpFilesize
1.2MB
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memory/2160-3-0x0000000000400000-0x0000000000536000-memory.dmpFilesize
1.2MB
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memory/2160-2-0x0000000000220000-0x000000000022B000-memory.dmpFilesize
44KB
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memory/2160-1-0x00000000006E0000-0x00000000007E0000-memory.dmpFilesize
1024KB
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memory/2160-5-0x0000000000400000-0x0000000000536000-memory.dmpFilesize
1.2MB