Analysis
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max time kernel
237s -
max time network
213s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 19:22
Static task
static1
Behavioral task
behavioral1
Sample
88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe
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Size
232KB
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MD5
0b567b9b3e501cc33378112d785d3f1b
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SHA1
512cf0c8a070d24f8c14f40f235b7b3c7b89be0c
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SHA256
88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e
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SHA512
51b8109fbb9ad6e71fea9621d64b858373d92f646e088700605b71fec6d8cefc90c34a68cb198e64284ee6c0517ce3793e0612289cccd6c9f06240da3303e88e
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SSDEEP
6144:y23PFKs78g2KyEOaWEqxF6snji81RUinKdNObY:/Ph+mF9
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" 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" reesia.exe -
Executes dropped EXE 1 IoCs
pid Process 1160 reesia.exe -
Loads dropped DLL 2 IoCs
pid Process 1164 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe 1164 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /j" reesia.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /z" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /w" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /v" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /k" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /x" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /n" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /c" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /s" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /p" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /r" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /g" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /u" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /t" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /m" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /h" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /e" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /o" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /b" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /d" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /i" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /y" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /a" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /a" 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /f" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /q" reesia.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\reesia = "C:\\Users\\Admin\\reesia.exe /l" reesia.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 1164 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe 1160 reesia.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1164 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe 1160 reesia.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1164 wrote to memory of 1160 1164 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe 28 PID 1164 wrote to memory of 1160 1164 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe 28 PID 1164 wrote to memory of 1160 1164 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe 28 PID 1164 wrote to memory of 1160 1164 88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.exe"C:\Users\Admin\AppData\Local\Temp\88b706949ba5a180d20e8b4291bd2de98b87f62bfe8a74181ebe8f533dddd91e.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:1164 -
C:\Users\Admin\reesia.exe"C:\Users\Admin\reesia.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:1160
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
232KB
MD5375a08baf6305972d8c4bf1d68eef653
SHA178d2436f9835ee8ff61fc5cb0a6c1acfdbb466b0
SHA256853843a59b2e43bc6338ae1478b1b333fe78b1bff609fb276af1c866e19c8bdb
SHA512aff63993ba5c93fa405b33e5e3b85a953d2198937f60a6789b22786eb94e9c4c5a812ace3eeec4c683790652f5595a199e408b4da4f13ebb27e86cea237f2da5
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Filesize
232KB
MD5375a08baf6305972d8c4bf1d68eef653
SHA178d2436f9835ee8ff61fc5cb0a6c1acfdbb466b0
SHA256853843a59b2e43bc6338ae1478b1b333fe78b1bff609fb276af1c866e19c8bdb
SHA512aff63993ba5c93fa405b33e5e3b85a953d2198937f60a6789b22786eb94e9c4c5a812ace3eeec4c683790652f5595a199e408b4da4f13ebb27e86cea237f2da5
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Filesize
232KB
MD5375a08baf6305972d8c4bf1d68eef653
SHA178d2436f9835ee8ff61fc5cb0a6c1acfdbb466b0
SHA256853843a59b2e43bc6338ae1478b1b333fe78b1bff609fb276af1c866e19c8bdb
SHA512aff63993ba5c93fa405b33e5e3b85a953d2198937f60a6789b22786eb94e9c4c5a812ace3eeec4c683790652f5595a199e408b4da4f13ebb27e86cea237f2da5
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Filesize
232KB
MD5375a08baf6305972d8c4bf1d68eef653
SHA178d2436f9835ee8ff61fc5cb0a6c1acfdbb466b0
SHA256853843a59b2e43bc6338ae1478b1b333fe78b1bff609fb276af1c866e19c8bdb
SHA512aff63993ba5c93fa405b33e5e3b85a953d2198937f60a6789b22786eb94e9c4c5a812ace3eeec4c683790652f5595a199e408b4da4f13ebb27e86cea237f2da5