Analysis
-
max time kernel
150s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 23:28
Static task
static1
Behavioral task
behavioral1
Sample
340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe
-
Size
148KB
-
MD5
8f424c1de97050fcb9687e87b3c62674
-
SHA1
a9dcf27acfbfd92ca84c831664ac148ae695be7b
-
SHA256
340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b
-
SHA512
d8f193be414f798a89a02c91f4621670dd355285774c775a104f6514601d90d4443d33fc36c07f58f33d927b2278e64d20c86989f4c094a4a342e9444af2b5cb
-
SSDEEP
1536:5o9LSOf4BlqPAKcxnX+PBcRlouQvSPouXZ6D6Jj5wl+dwCMZUbP7VBTqJf2YhxYM:WIKalqPpy+Pco6ouZ68Kl+dnMZUb5
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" 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yvweed.exe -
Executes dropped EXE 1 IoCs
pid Process 1120 yvweed.exe -
Loads dropped DLL 2 IoCs
pid Process 1880 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe 1880 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.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\yvweed = "C:\\Users\\Admin\\yvweed.exe /c" yvweed.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /l" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /v" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /b" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /w" yvweed.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /n" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /y" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /p" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /r" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /q" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /x" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /j" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /i" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /s" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /g" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /t" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /k" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /o" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /d" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /z" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /f" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /e" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /a" 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /m" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /a" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /h" yvweed.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yvweed = "C:\\Users\\Admin\\yvweed.exe /u" yvweed.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 1880 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe 1120 yvweed.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1880 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe 1120 yvweed.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1880 wrote to memory of 1120 1880 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe 27 PID 1880 wrote to memory of 1120 1880 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe 27 PID 1880 wrote to memory of 1120 1880 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe 27 PID 1880 wrote to memory of 1120 1880 340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.exe"C:\Users\Admin\AppData\Local\Temp\340ba456edfd84d6cb4db71ddb069af57daa89aa6395f220a1ff94a2b1874c0b.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:1880 -
C:\Users\Admin\yvweed.exe"C:\Users\Admin\yvweed.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:1120
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
148KB
MD59a8e0d11dab2a46238ac0afe04ab88c1
SHA1da7679c87d831e111406f1ddd62ec978d3e24de5
SHA2561aeec476128f24a0744aee429d60459104deeea6065483179eb20afd4b590347
SHA512bab08ade70dc5a2639127236b9e1492611ec9690765aab9c1dbe1dd8b35225694392e9aeb765bd62d3dc55e872b0dc8cc21dbfa725edba843cbd932f1ad0d72b
-
Filesize
148KB
MD59a8e0d11dab2a46238ac0afe04ab88c1
SHA1da7679c87d831e111406f1ddd62ec978d3e24de5
SHA2561aeec476128f24a0744aee429d60459104deeea6065483179eb20afd4b590347
SHA512bab08ade70dc5a2639127236b9e1492611ec9690765aab9c1dbe1dd8b35225694392e9aeb765bd62d3dc55e872b0dc8cc21dbfa725edba843cbd932f1ad0d72b
-
Filesize
148KB
MD59a8e0d11dab2a46238ac0afe04ab88c1
SHA1da7679c87d831e111406f1ddd62ec978d3e24de5
SHA2561aeec476128f24a0744aee429d60459104deeea6065483179eb20afd4b590347
SHA512bab08ade70dc5a2639127236b9e1492611ec9690765aab9c1dbe1dd8b35225694392e9aeb765bd62d3dc55e872b0dc8cc21dbfa725edba843cbd932f1ad0d72b
-
Filesize
148KB
MD59a8e0d11dab2a46238ac0afe04ab88c1
SHA1da7679c87d831e111406f1ddd62ec978d3e24de5
SHA2561aeec476128f24a0744aee429d60459104deeea6065483179eb20afd4b590347
SHA512bab08ade70dc5a2639127236b9e1492611ec9690765aab9c1dbe1dd8b35225694392e9aeb765bd62d3dc55e872b0dc8cc21dbfa725edba843cbd932f1ad0d72b