Analysis
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max time kernel
150s -
max time network
50s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06/11/2022, 15:05
Static task
static1
Behavioral task
behavioral1
Sample
b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe
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Size
240KB
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MD5
06ca84f4cb730da7ab59d01f39030aa0
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SHA1
8246cfba73ecc907b783505e221aaa274a91a126
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SHA256
b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2
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SHA512
2d92ee79643ee94add6cf4928db00ea9150efb7582cac959b7c0ec4d385091ccea128bf6d602cfa6ebbc4592277b176093b96b63f7eacd6351d2ee76801da87a
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SSDEEP
6144:hUd3dwqsNwemAB0EqxF6snji81RUinKchhyZS3i:mdQQJsAS
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" b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" sazat.exe -
Executes dropped EXE 1 IoCs
pid Process 992 sazat.exe -
Loads dropped DLL 2 IoCs
pid Process 1524 b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe 1524 b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.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\sazat = "C:\\Users\\Admin\\sazat.exe /e" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /x" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /a" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /i" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /s" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /b" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /w" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /r" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /u" sazat.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /f" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /p" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /o" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /q" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /k" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /l" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /c" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /t" sazat.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /w" b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /z" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /j" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /d" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /y" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /h" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /v" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /n" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /g" sazat.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\sazat = "C:\\Users\\Admin\\sazat.exe /m" sazat.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 1524 b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe 992 sazat.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1524 b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe 992 sazat.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1524 wrote to memory of 992 1524 b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe 26 PID 1524 wrote to memory of 992 1524 b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe 26 PID 1524 wrote to memory of 992 1524 b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe 26 PID 1524 wrote to memory of 992 1524 b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.exe"C:\Users\Admin\AppData\Local\Temp\b6c1e0e710f37f2cc822a86b8553e7dcf40e0d25083d819cc69397a634d8caa2.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:1524 -
C:\Users\Admin\sazat.exe"C:\Users\Admin\sazat.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:992
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
240KB
MD5ec2fb881151c621dde7b8917cdbc0733
SHA1489600e05a662d392f792dfb54e924de0f1f87e6
SHA256f2bfd68e03bea4d3bf48a570cc8ddc0a1d2aed96aba47a91b60e51dd41895f5e
SHA51253c9a27eca45abe1a77c950d9b55a09d51dc60fdb8128c7bf5400f806314fdb19fabb2ba7d754790e778eb5d476ad97aeb0b0c53c891d1503399bc33be124761
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Filesize
240KB
MD5ec2fb881151c621dde7b8917cdbc0733
SHA1489600e05a662d392f792dfb54e924de0f1f87e6
SHA256f2bfd68e03bea4d3bf48a570cc8ddc0a1d2aed96aba47a91b60e51dd41895f5e
SHA51253c9a27eca45abe1a77c950d9b55a09d51dc60fdb8128c7bf5400f806314fdb19fabb2ba7d754790e778eb5d476ad97aeb0b0c53c891d1503399bc33be124761
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Filesize
240KB
MD5ec2fb881151c621dde7b8917cdbc0733
SHA1489600e05a662d392f792dfb54e924de0f1f87e6
SHA256f2bfd68e03bea4d3bf48a570cc8ddc0a1d2aed96aba47a91b60e51dd41895f5e
SHA51253c9a27eca45abe1a77c950d9b55a09d51dc60fdb8128c7bf5400f806314fdb19fabb2ba7d754790e778eb5d476ad97aeb0b0c53c891d1503399bc33be124761
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Filesize
240KB
MD5ec2fb881151c621dde7b8917cdbc0733
SHA1489600e05a662d392f792dfb54e924de0f1f87e6
SHA256f2bfd68e03bea4d3bf48a570cc8ddc0a1d2aed96aba47a91b60e51dd41895f5e
SHA51253c9a27eca45abe1a77c950d9b55a09d51dc60fdb8128c7bf5400f806314fdb19fabb2ba7d754790e778eb5d476ad97aeb0b0c53c891d1503399bc33be124761