Analysis
-
max time kernel
150s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 03:18
Static task
static1
Behavioral task
behavioral1
Sample
b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe
-
Size
172KB
-
MD5
b701923a0ba7c320677d156ab8ae5997
-
SHA1
d632752a435d204415bf3bded8da30ae874d9474
-
SHA256
b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4
-
SHA512
ff09e3695e78f47a5a3f73a2f33682967f71aec71dc9b93655f13bfd381ff95370b1187f2cdefadc51b6071c837523a2c41abf20ab45dc1c98735f2d5a4ea577
-
SSDEEP
1536:ydSNkv6uTeKHCa0SfHB2QmB8itdmcZYfO+1UOWlNLeYZrLf+1u3df/jT6pxZJWtr:OLv6KHJdkvY2+ydeYMvnWtmpzaVmS1/
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" b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" naiora.exe -
Executes dropped EXE 1 IoCs
pid Process 1292 naiora.exe -
Loads dropped DLL 2 IoCs
pid Process 1724 b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe 1724 b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.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\naiora = "C:\\Users\\Admin\\naiora.exe /o" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /w" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /k" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /c" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /a" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /r" naiora.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /r" b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /m" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /g" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /p" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /t" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /i" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /y" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /l" naiora.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /v" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /u" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /b" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /s" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /e" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /h" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /d" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /f" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /j" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /q" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /n" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /x" naiora.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\naiora = "C:\\Users\\Admin\\naiora.exe /z" naiora.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 1724 b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe 1292 naiora.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1724 b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe 1292 naiora.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1724 wrote to memory of 1292 1724 b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe 27 PID 1724 wrote to memory of 1292 1724 b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe 27 PID 1724 wrote to memory of 1292 1724 b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe 27 PID 1724 wrote to memory of 1292 1724 b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.exe"C:\Users\Admin\AppData\Local\Temp\b37550c48c6ecdc00d4961383fe3a5bdf154372f4aa7f1197f5ef4f413cce6e4.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:1724 -
C:\Users\Admin\naiora.exe"C:\Users\Admin\naiora.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:1292
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
172KB
MD5bb8cc26c0844c94a691e322d18547c78
SHA1c4f22be1356cb1440f30e1a3a88aa6893f78316a
SHA256b3574747f13b956eca1f9e474ef017320dcef4fe43f7df50b2d5215f13dbd87b
SHA512417b25abe9651b9da35cb270d3c22aa9f603252ea6fe85ee822b26561d66d587bb92888ffdf232ba8c69b21541c3dda2a6f98b118267d856ee5fa8f0c3019c1b
-
Filesize
172KB
MD5bb8cc26c0844c94a691e322d18547c78
SHA1c4f22be1356cb1440f30e1a3a88aa6893f78316a
SHA256b3574747f13b956eca1f9e474ef017320dcef4fe43f7df50b2d5215f13dbd87b
SHA512417b25abe9651b9da35cb270d3c22aa9f603252ea6fe85ee822b26561d66d587bb92888ffdf232ba8c69b21541c3dda2a6f98b118267d856ee5fa8f0c3019c1b
-
Filesize
172KB
MD5bb8cc26c0844c94a691e322d18547c78
SHA1c4f22be1356cb1440f30e1a3a88aa6893f78316a
SHA256b3574747f13b956eca1f9e474ef017320dcef4fe43f7df50b2d5215f13dbd87b
SHA512417b25abe9651b9da35cb270d3c22aa9f603252ea6fe85ee822b26561d66d587bb92888ffdf232ba8c69b21541c3dda2a6f98b118267d856ee5fa8f0c3019c1b
-
Filesize
172KB
MD5bb8cc26c0844c94a691e322d18547c78
SHA1c4f22be1356cb1440f30e1a3a88aa6893f78316a
SHA256b3574747f13b956eca1f9e474ef017320dcef4fe43f7df50b2d5215f13dbd87b
SHA512417b25abe9651b9da35cb270d3c22aa9f603252ea6fe85ee822b26561d66d587bb92888ffdf232ba8c69b21541c3dda2a6f98b118267d856ee5fa8f0c3019c1b