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Analysis
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max time kernel
276s -
max time network
335s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 00:22
Static task
static1
Behavioral task
behavioral1
Sample
abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe
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Size
264KB
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MD5
366403f9ae39e1175b8c728d3ef17707
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SHA1
14689c9db50c42a63b4a26df3d9a03402536743c
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SHA256
abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a
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SHA512
ba8250c2bfdca1526a16f35d80245847b6c594182e0d7fec95e52d293f64215bf739f1da5a966167d7d194433ce6d251aad20f705a30292a3cc54d4c1afa6b44
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SSDEEP
3072:HwwQcqsOYnX2IDyG2pfr4GNLzECcKIvMBSYWunCvPQiwhjXH1WkaBx5/lvnjLYar:QwQ3sOYX9Ic6OLynWunzXH1W9r
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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" meeuf.exe -
Executes dropped EXE 1 IoCs
pid Process 296 meeuf.exe -
Loads dropped DLL 2 IoCs
pid Process 1436 abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe 1436 abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe -
Adds Run key to start application 2 TTPs 48 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /P" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /I" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /A" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /q" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /G" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /y" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /u" meeuf.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /K" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /Y" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /C" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /n" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /t" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /B" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /s" meeuf.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /O" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /z" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /c" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /k" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /N" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /i" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /U" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /M" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /w" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /g" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /D" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /x" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /m" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /X" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /p" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /F" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /e" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /L" abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /f" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /a" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /o" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /j" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /v" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /L" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /R" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /l" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /d" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /h" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /E" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /Z" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /S" meeuf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\meeuf = "C:\\Users\\Admin\\meeuf.exe /r" meeuf.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 1436 abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe 296 meeuf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1436 abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe 296 meeuf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1436 wrote to memory of 296 1436 abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe 28 PID 1436 wrote to memory of 296 1436 abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe 28 PID 1436 wrote to memory of 296 1436 abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe 28 PID 1436 wrote to memory of 296 1436 abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.exe"C:\Users\Admin\AppData\Local\Temp\abd4ca82f496f2463b0d32045c51a4227761a8199460bd8264e13e230c24dc5a.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:1436 -
C:\Users\Admin\meeuf.exe"C:\Users\Admin\meeuf.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:296
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
264KB
MD55f69e9e2b2c5c4b2f678c5bac087e662
SHA1b8049c2ec8d45cf605b6c6d275a3c44a933bcf5a
SHA25614b597573b9014c5f6b869ffde44e1620ee6b3157bafbf852d4a24ac4827eea7
SHA51242567ca2614368a97c1738c839c40391500a0b864c691576b0816cc9b66aedefdf96ab5045d30e34ec337f1374f1c368f9222db59c9b562c3f2a2c082875be3b
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Filesize
264KB
MD55f69e9e2b2c5c4b2f678c5bac087e662
SHA1b8049c2ec8d45cf605b6c6d275a3c44a933bcf5a
SHA25614b597573b9014c5f6b869ffde44e1620ee6b3157bafbf852d4a24ac4827eea7
SHA51242567ca2614368a97c1738c839c40391500a0b864c691576b0816cc9b66aedefdf96ab5045d30e34ec337f1374f1c368f9222db59c9b562c3f2a2c082875be3b
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Filesize
264KB
MD55f69e9e2b2c5c4b2f678c5bac087e662
SHA1b8049c2ec8d45cf605b6c6d275a3c44a933bcf5a
SHA25614b597573b9014c5f6b869ffde44e1620ee6b3157bafbf852d4a24ac4827eea7
SHA51242567ca2614368a97c1738c839c40391500a0b864c691576b0816cc9b66aedefdf96ab5045d30e34ec337f1374f1c368f9222db59c9b562c3f2a2c082875be3b
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Filesize
264KB
MD55f69e9e2b2c5c4b2f678c5bac087e662
SHA1b8049c2ec8d45cf605b6c6d275a3c44a933bcf5a
SHA25614b597573b9014c5f6b869ffde44e1620ee6b3157bafbf852d4a24ac4827eea7
SHA51242567ca2614368a97c1738c839c40391500a0b864c691576b0816cc9b66aedefdf96ab5045d30e34ec337f1374f1c368f9222db59c9b562c3f2a2c082875be3b