Analysis
-
max time kernel
150s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 00:09
Static task
static1
Behavioral task
behavioral1
Sample
4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe
-
Size
224KB
-
MD5
1d8d57dd8b1a80e2d7002abc9b08f420
-
SHA1
d25ed7d76c1528669b0afa9782f35ea5888afe3c
-
SHA256
4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1
-
SHA512
55eae516d030996d696a7f1cc783d2a82198df32ee5bb767db903abc74703f52c9da3c0313881c9fe8a3604c86943eaeaa2ca62d7f34f33c5863a7c3ae20c2c4
-
SSDEEP
3072:MXyqNsMoBuaZVpl2mclbj4Uvx+8ysNOu+2eRcKksU61JkkX39RLrw4ySKUbax2+l:TqN5yp4LnbmlrZW
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" rltob.exe -
Executes dropped EXE 1 IoCs
pid Process 2036 rltob.exe -
Loads dropped DLL 2 IoCs
pid Process 1292 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe 1292 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /n" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /k" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /d" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /l" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /r" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /u" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /p" rltob.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /i" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /z" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /y" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /b" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /m" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /w" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /t" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /h" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /c" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /q" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /j" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /g" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /o" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /v" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /s" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /c" 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /x" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /a" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /f" rltob.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\rltob = "C:\\Users\\Admin\\rltob.exe /e" rltob.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1292 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe 2036 rltob.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1292 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe 2036 rltob.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1292 wrote to memory of 2036 1292 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe 27 PID 1292 wrote to memory of 2036 1292 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe 27 PID 1292 wrote to memory of 2036 1292 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe 27 PID 1292 wrote to memory of 2036 1292 4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe"C:\Users\Admin\AppData\Local\Temp\4976612686de2626003b9f5b6c16a1acc193d53e377ec7a5a2e53c9b0a4b02b1.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Users\Admin\rltob.exe"C:\Users\Admin\rltob.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2036
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
224KB
MD5b1e0fdc2692805d45b091a6488a41d06
SHA15088ac972d478c0b58eae14766f63d42002e3218
SHA25646ff54e5d4b11c50e06db4ec13eac038efa914f54843244882d0cf0c9c30996b
SHA5128adae438085f4fc5d8fac1a80df65e20650aef7f2095cac223b1baa94bf29e00edccb64382fe2148a66689fd661f15b5268cb5328c4cbff6e85b778caf138345
-
Filesize
224KB
MD5b1e0fdc2692805d45b091a6488a41d06
SHA15088ac972d478c0b58eae14766f63d42002e3218
SHA25646ff54e5d4b11c50e06db4ec13eac038efa914f54843244882d0cf0c9c30996b
SHA5128adae438085f4fc5d8fac1a80df65e20650aef7f2095cac223b1baa94bf29e00edccb64382fe2148a66689fd661f15b5268cb5328c4cbff6e85b778caf138345
-
Filesize
224KB
MD5b1e0fdc2692805d45b091a6488a41d06
SHA15088ac972d478c0b58eae14766f63d42002e3218
SHA25646ff54e5d4b11c50e06db4ec13eac038efa914f54843244882d0cf0c9c30996b
SHA5128adae438085f4fc5d8fac1a80df65e20650aef7f2095cac223b1baa94bf29e00edccb64382fe2148a66689fd661f15b5268cb5328c4cbff6e85b778caf138345
-
Filesize
224KB
MD5b1e0fdc2692805d45b091a6488a41d06
SHA15088ac972d478c0b58eae14766f63d42002e3218
SHA25646ff54e5d4b11c50e06db4ec13eac038efa914f54843244882d0cf0c9c30996b
SHA5128adae438085f4fc5d8fac1a80df65e20650aef7f2095cac223b1baa94bf29e00edccb64382fe2148a66689fd661f15b5268cb5328c4cbff6e85b778caf138345