Analysis
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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, 17:34
Static task
static1
Behavioral task
behavioral1
Sample
823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe
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Size
152KB
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MD5
b5a11421579367ad5f9a9fc5021c2525
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SHA1
0298a1fd734b199f58787ef84d033375cb01c819
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SHA256
823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df
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SHA512
7b6963cfda371da3e2bf634a2d0579d4046a78e9cfe1d0c0d4a0ed74a2187d93245998306c24cac9471d6d6808c8527003edb0f12551cab9c4f5b2d053b9d0a0
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SSDEEP
3072:vMG3PYYh0ZK+7DxNUbaxIcz93bOButK+Fov:x+7DxVh3bHiv
Score
10/10
Malware Config
Signatures
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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" meaopa.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe -
Executes dropped EXE 1 IoCs
pid Process 900 meaopa.exe -
Loads dropped DLL 2 IoCs
pid Process 1552 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe 1552 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /p" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /F" meaopa.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /W" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /f" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /Q" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /x" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /H" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /P" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /s" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /B" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /X" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /u" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /U" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /A" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /I" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /J" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /S" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /m" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /R" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /V" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /Y" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /n" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /G" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /v" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /R" 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /q" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /a" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /k" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /w" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /o" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /t" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /l" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /K" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /g" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /c" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /L" meaopa.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /D" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /z" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /b" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /C" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /h" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /E" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /O" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /M" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /d" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /e" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /Z" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /y" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /N" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /j" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /r" meaopa.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\meaopa = "C:\\Users\\Admin\\meaopa.exe /T" meaopa.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1552 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe 900 meaopa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1552 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe 900 meaopa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1552 wrote to memory of 900 1552 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe 26 PID 1552 wrote to memory of 900 1552 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe 26 PID 1552 wrote to memory of 900 1552 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe 26 PID 1552 wrote to memory of 900 1552 823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.exe"C:\Users\Admin\AppData\Local\Temp\823d5fe38f24dd90bc8451d858b52d71da9eb7b4ecca35f9c30e677c68cf64df.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:1552 -
C:\Users\Admin\meaopa.exe"C:\Users\Admin\meaopa.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:900
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
152KB
MD57a2c92398fff04ebd0fd7ba25a607e12
SHA1de7393ba1e4696ea56ea91b319a29ade0391b8f9
SHA25661076c995d0d8a05a3b11d964c9be72ec058b37a9a88ada69e6a686edf14fc32
SHA512e89833b094377bf0bf24bfacc6f19b7dfa71e1eddc330b7e8545e2cc526bbb2a676860722e04c92135a6d40a9d4f8ddd9126f5279eb8cd991920f3e10b1dda6d
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Filesize
152KB
MD57a2c92398fff04ebd0fd7ba25a607e12
SHA1de7393ba1e4696ea56ea91b319a29ade0391b8f9
SHA25661076c995d0d8a05a3b11d964c9be72ec058b37a9a88ada69e6a686edf14fc32
SHA512e89833b094377bf0bf24bfacc6f19b7dfa71e1eddc330b7e8545e2cc526bbb2a676860722e04c92135a6d40a9d4f8ddd9126f5279eb8cd991920f3e10b1dda6d
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Filesize
152KB
MD57a2c92398fff04ebd0fd7ba25a607e12
SHA1de7393ba1e4696ea56ea91b319a29ade0391b8f9
SHA25661076c995d0d8a05a3b11d964c9be72ec058b37a9a88ada69e6a686edf14fc32
SHA512e89833b094377bf0bf24bfacc6f19b7dfa71e1eddc330b7e8545e2cc526bbb2a676860722e04c92135a6d40a9d4f8ddd9126f5279eb8cd991920f3e10b1dda6d
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Filesize
152KB
MD57a2c92398fff04ebd0fd7ba25a607e12
SHA1de7393ba1e4696ea56ea91b319a29ade0391b8f9
SHA25661076c995d0d8a05a3b11d964c9be72ec058b37a9a88ada69e6a686edf14fc32
SHA512e89833b094377bf0bf24bfacc6f19b7dfa71e1eddc330b7e8545e2cc526bbb2a676860722e04c92135a6d40a9d4f8ddd9126f5279eb8cd991920f3e10b1dda6d