Analysis
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max time kernel
152s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07-12-2022 03:14
Static task
static1
Behavioral task
behavioral1
Sample
554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe
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Size
204KB
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MD5
8624467945ead960cd9c625519d99395
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SHA1
72ef8109ec59fdb1a523e94395d37eff351ac1fd
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SHA256
554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3
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SHA512
b40a8182aa9cee2221e38af2c631ec50a76226af59d172a0ced1699ee2252f01262b9b88748a1133346c747dd1ab0ddb44f108d628a0def9694eed4d362d1924
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SSDEEP
6144:QHMJtfNngeO+cwjfTfGHN1RWrOy9uJV10BK+baPe3ObUrlBXvgd7Vc7ht:QHENngeO+cwjfTfGHN1Ax9uJV10BK+b5
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" maoubu.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe -
Executes dropped EXE 1 IoCs
pid Process 1732 maoubu.exe -
Loads dropped DLL 2 IoCs
pid Process 2036 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe 2036 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /M" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /f" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /o" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /F" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /U" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /Q" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /v" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /W" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /H" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /l" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /g" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /X" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /t" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /B" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /m" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /a" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /r" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /s" maoubu.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /e" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /b" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /N" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /j" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /C" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /T" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /d" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /R" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /O" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /p" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /n" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /V" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /S" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /w" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /q" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /c" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /k" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /y" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /L" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /i" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /K" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /E" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /A" 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /u" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /J" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /Z" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /D" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /Y" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /G" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /P" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /x" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /h" maoubu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\maoubu = "C:\\Users\\Admin\\maoubu.exe /I" maoubu.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 2036 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe 1732 maoubu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2036 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe 1732 maoubu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2036 wrote to memory of 1732 2036 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe 28 PID 2036 wrote to memory of 1732 2036 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe 28 PID 2036 wrote to memory of 1732 2036 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe 28 PID 2036 wrote to memory of 1732 2036 554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.exe"C:\Users\Admin\AppData\Local\Temp\554a7d6bc9b75f5e8c9e58fb4dba4e6f00f8484949b96a7cb547a4e743be62c3.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:2036 -
C:\Users\Admin\maoubu.exe"C:\Users\Admin\maoubu.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:1732
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD59e542f5aba3278dab583a40982fda3f7
SHA1ae79729774b5e440c171de8f3c608118d4fac58b
SHA256a1aabb0b2ca717cc181e2bda46ddf9d42228fa3a394006fb87a6b4797a4d9be7
SHA512d6d32f36ba21fc52f7e790c14f871e91bd21e9284b72dd3e98a33d42612ce8bebabc33ed89e3a277f1be69a483de3e8face99255cd37ff91fa6abacfe219dfa3
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Filesize
204KB
MD59e542f5aba3278dab583a40982fda3f7
SHA1ae79729774b5e440c171de8f3c608118d4fac58b
SHA256a1aabb0b2ca717cc181e2bda46ddf9d42228fa3a394006fb87a6b4797a4d9be7
SHA512d6d32f36ba21fc52f7e790c14f871e91bd21e9284b72dd3e98a33d42612ce8bebabc33ed89e3a277f1be69a483de3e8face99255cd37ff91fa6abacfe219dfa3
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Filesize
204KB
MD59e542f5aba3278dab583a40982fda3f7
SHA1ae79729774b5e440c171de8f3c608118d4fac58b
SHA256a1aabb0b2ca717cc181e2bda46ddf9d42228fa3a394006fb87a6b4797a4d9be7
SHA512d6d32f36ba21fc52f7e790c14f871e91bd21e9284b72dd3e98a33d42612ce8bebabc33ed89e3a277f1be69a483de3e8face99255cd37ff91fa6abacfe219dfa3
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Filesize
204KB
MD59e542f5aba3278dab583a40982fda3f7
SHA1ae79729774b5e440c171de8f3c608118d4fac58b
SHA256a1aabb0b2ca717cc181e2bda46ddf9d42228fa3a394006fb87a6b4797a4d9be7
SHA512d6d32f36ba21fc52f7e790c14f871e91bd21e9284b72dd3e98a33d42612ce8bebabc33ed89e3a277f1be69a483de3e8face99255cd37ff91fa6abacfe219dfa3