Analysis
-
max time kernel
150s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
14-10-2022 10:30
Static task
static1
Behavioral task
behavioral1
Sample
ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
-
Target
ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe
-
Size
86KB
-
MD5
64ec08676d1a8fcb1927b39d0e27e377
-
SHA1
b0bdd3fe8e09425c4d8684a21cf0dfddfdfbfbc9
-
SHA256
ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829
-
SHA512
d1de5212ee60aa2a3a87c533e1e949f86124d186cd8102f5acf752aa8ebb6eb58010e6f6262d4d1f4dfbfb8f535e7b8ff2599685108e85e147712211c8489a92
-
SSDEEP
1536:xn/bcKO5QCKvezIqb4hlOEUDoCKlu8NhAmwL+kcx7J/6wZ+NEjwKlViQgtqFuzR:yyvjqIg0CKlu8Um+kx2UlgjzR
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" ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kaesias.exe -
Executes dropped EXE 2 IoCs
pid Process 276 kaesias.exe 268 kaesias.exe -
Loads dropped DLL 2 IoCs
pid Process 1620 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 1620 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /s" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /v" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /n" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /g" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /h" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /f" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /w" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /b" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /z" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /m" ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /i" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /t" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /l" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /o" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /u" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /j" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /a" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /m" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /c" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /k" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /e" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /y" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /d" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /p" kaesias.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\kaesias = "C:\\Users\\Admin\\kaesias.exe /x" kaesias.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum kaesias.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 kaesias.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf kaesias.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 112 set thread context of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 276 set thread context of 268 276 kaesias.exe 29 -
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 1620 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe 268 kaesias.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 1620 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 276 kaesias.exe 268 kaesias.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 112 wrote to memory of 1620 112 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 27 PID 1620 wrote to memory of 276 1620 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 28 PID 1620 wrote to memory of 276 1620 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 28 PID 1620 wrote to memory of 276 1620 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 28 PID 1620 wrote to memory of 276 1620 ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe 28 PID 276 wrote to memory of 268 276 kaesias.exe 29 PID 276 wrote to memory of 268 276 kaesias.exe 29 PID 276 wrote to memory of 268 276 kaesias.exe 29 PID 276 wrote to memory of 268 276 kaesias.exe 29 PID 276 wrote to memory of 268 276 kaesias.exe 29 PID 276 wrote to memory of 268 276 kaesias.exe 29 PID 276 wrote to memory of 268 276 kaesias.exe 29 PID 276 wrote to memory of 268 276 kaesias.exe 29 PID 276 wrote to memory of 268 276 kaesias.exe 29 PID 276 wrote to memory of 268 276 kaesias.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe"C:\Users\Admin\AppData\Local\Temp\ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Users\Admin\AppData\Local\Temp\ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829.exe712⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Users\Admin\kaesias.exe"C:\Users\Admin\kaesias.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:276 -
C:\Users\Admin\kaesias.exe714⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:268
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
86KB
MD564ec08676d1a8fcb1927b39d0e27e377
SHA1b0bdd3fe8e09425c4d8684a21cf0dfddfdfbfbc9
SHA256ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829
SHA512d1de5212ee60aa2a3a87c533e1e949f86124d186cd8102f5acf752aa8ebb6eb58010e6f6262d4d1f4dfbfb8f535e7b8ff2599685108e85e147712211c8489a92
-
Filesize
86KB
MD564ec08676d1a8fcb1927b39d0e27e377
SHA1b0bdd3fe8e09425c4d8684a21cf0dfddfdfbfbc9
SHA256ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829
SHA512d1de5212ee60aa2a3a87c533e1e949f86124d186cd8102f5acf752aa8ebb6eb58010e6f6262d4d1f4dfbfb8f535e7b8ff2599685108e85e147712211c8489a92
-
Filesize
86KB
MD564ec08676d1a8fcb1927b39d0e27e377
SHA1b0bdd3fe8e09425c4d8684a21cf0dfddfdfbfbc9
SHA256ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829
SHA512d1de5212ee60aa2a3a87c533e1e949f86124d186cd8102f5acf752aa8ebb6eb58010e6f6262d4d1f4dfbfb8f535e7b8ff2599685108e85e147712211c8489a92
-
Filesize
86KB
MD564ec08676d1a8fcb1927b39d0e27e377
SHA1b0bdd3fe8e09425c4d8684a21cf0dfddfdfbfbc9
SHA256ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829
SHA512d1de5212ee60aa2a3a87c533e1e949f86124d186cd8102f5acf752aa8ebb6eb58010e6f6262d4d1f4dfbfb8f535e7b8ff2599685108e85e147712211c8489a92
-
Filesize
86KB
MD564ec08676d1a8fcb1927b39d0e27e377
SHA1b0bdd3fe8e09425c4d8684a21cf0dfddfdfbfbc9
SHA256ff6c3708e6d859b8cadaceb3371c2778ad9a98755dbb37b68e943d4471e7c829
SHA512d1de5212ee60aa2a3a87c533e1e949f86124d186cd8102f5acf752aa8ebb6eb58010e6f6262d4d1f4dfbfb8f535e7b8ff2599685108e85e147712211c8489a92