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
01/12/2022, 23:00
Static task
static1
Behavioral task
behavioral1
Sample
a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe
-
Size
108KB
-
MD5
4fe03c5f448407797e32391fc1121a7d
-
SHA1
a329a1afc4ea7912ca3f0d9310b607bed6ff7117
-
SHA256
a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948
-
SHA512
71b55cca355ea9a59846fff864b2414a55db9e0d402e170d50a4abb4d8367843e57da07a0e1f0440751b0b67de1985b4da2c8e8b4a2fdc85c842d4ac0e76923b
-
SSDEEP
1536:sJtVIKiB6oQ7Lh5+sXmNt0ttiPXLq0zTrkB:MUmoIeZt1XTzToB
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" a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zzsied.exe -
Executes dropped EXE 1 IoCs
pid Process 896 zzsied.exe -
Loads dropped DLL 2 IoCs
pid Process 1600 a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe 1600 a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.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\zzsied = "C:\\Users\\Admin\\zzsied.exe /j" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /r" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /a" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /h" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /d" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /c" zzsied.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /x" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /e" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /k" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /l" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /y" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /t" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /u" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /q" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /s" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /b" zzsied.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /p" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /i" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /n" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /m" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /f" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /w" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /o" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /v" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /z" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /g" zzsied.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zzsied = "C:\\Users\\Admin\\zzsied.exe /w" a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.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 1600 a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe 896 zzsied.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1600 a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe 896 zzsied.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1600 wrote to memory of 896 1600 a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe 27 PID 1600 wrote to memory of 896 1600 a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe 27 PID 1600 wrote to memory of 896 1600 a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe 27 PID 1600 wrote to memory of 896 1600 a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.exe"C:\Users\Admin\AppData\Local\Temp\a3d2ca4a5da6f91dfd236819186795e17da1718d52b749d7ad54f6b46b91e948.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:1600 -
C:\Users\Admin\zzsied.exe"C:\Users\Admin\zzsied.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:896
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
108KB
MD5fede2bd8fcf9135156e380dcbfd145f1
SHA1ab53759eb6940954fc589505614b4fc5bf0a96dc
SHA256f6c371d0fd81d67ab39944ab1e3a78f251449c66e4a911c8bfec7e94cbcfa402
SHA5121316471968ee174621ca8b487d4033457dd16df35b0a3b30febad089b9963989ffd5b4d1d683ccd548db2a2277d0cc0ef45c344cfc4b18a801fa64eb1d83c76a
-
Filesize
108KB
MD5fede2bd8fcf9135156e380dcbfd145f1
SHA1ab53759eb6940954fc589505614b4fc5bf0a96dc
SHA256f6c371d0fd81d67ab39944ab1e3a78f251449c66e4a911c8bfec7e94cbcfa402
SHA5121316471968ee174621ca8b487d4033457dd16df35b0a3b30febad089b9963989ffd5b4d1d683ccd548db2a2277d0cc0ef45c344cfc4b18a801fa64eb1d83c76a
-
Filesize
108KB
MD5fede2bd8fcf9135156e380dcbfd145f1
SHA1ab53759eb6940954fc589505614b4fc5bf0a96dc
SHA256f6c371d0fd81d67ab39944ab1e3a78f251449c66e4a911c8bfec7e94cbcfa402
SHA5121316471968ee174621ca8b487d4033457dd16df35b0a3b30febad089b9963989ffd5b4d1d683ccd548db2a2277d0cc0ef45c344cfc4b18a801fa64eb1d83c76a
-
Filesize
108KB
MD5fede2bd8fcf9135156e380dcbfd145f1
SHA1ab53759eb6940954fc589505614b4fc5bf0a96dc
SHA256f6c371d0fd81d67ab39944ab1e3a78f251449c66e4a911c8bfec7e94cbcfa402
SHA5121316471968ee174621ca8b487d4033457dd16df35b0a3b30febad089b9963989ffd5b4d1d683ccd548db2a2277d0cc0ef45c344cfc4b18a801fa64eb1d83c76a