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Analysis
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max time kernel
156s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/12/2022, 23:36
Static task
static1
Behavioral task
behavioral1
Sample
337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe
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Size
136KB
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MD5
3a6c64b0d58dc56343c9287afb753a53
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SHA1
6ea42b8a1f2d4b287ce9080065ec75f0fc50a983
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SHA256
337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e
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SHA512
284053fd6fae5fabcd777009f8196e56bb0367bcab5773374d32d662e2a2f9d86c2d29ab4dc564b6c50ac609bbe9246d06294699ae3621a0d0ad9b23d489af1a
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SSDEEP
3072:zyzRRG/J9t538E6tZqAwZh5dKzio3CfNynXp5ucK1FaOaB0W+A:+z9kAwWTSW+A
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" maiedem.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe -
Executes dropped EXE 1 IoCs
pid Process 1544 maiedem.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /g" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /w" maiedem.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /k" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /n" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /l" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /f" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /i" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /t" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /m" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /s" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /y" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /q" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /j" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /r" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /c" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /v" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /o" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /b" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /e" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /h" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /p" 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /u" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /a" maiedem.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /z" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /x" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /p" maiedem.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maiedem = "C:\\Users\\Admin\\maiedem.exe /d" maiedem.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 488 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe 488 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe 1544 maiedem.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 488 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe 1544 maiedem.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 488 wrote to memory of 1544 488 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe 78 PID 488 wrote to memory of 1544 488 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe 78 PID 488 wrote to memory of 1544 488 337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe"C:\Users\Admin\AppData\Local\Temp\337ff94582984fda0fd333cd5bd4edd71f2d0f60cce37fff909b8aa258b05e1e.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:488 -
C:\Users\Admin\maiedem.exe"C:\Users\Admin\maiedem.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:1544
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
136KB
MD59982a0c3fcae6bc99a2078ed05f2b27e
SHA1f0818f398e9212e816cab1fb62ca7351aa7b5a5c
SHA256c87cc9938e849a46b3159dbc3769301af29c99077595462b6bc8458b99a36dd1
SHA5121e9bf72313085fb43a3911975072cd4774f767e87bce154c5840de2c0c71c0f7cc4987f06aa3612c3e892d629e0136b8a6c9c39b5723f9693d2f734e0c42b6c6
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Filesize
136KB
MD59982a0c3fcae6bc99a2078ed05f2b27e
SHA1f0818f398e9212e816cab1fb62ca7351aa7b5a5c
SHA256c87cc9938e849a46b3159dbc3769301af29c99077595462b6bc8458b99a36dd1
SHA5121e9bf72313085fb43a3911975072cd4774f767e87bce154c5840de2c0c71c0f7cc4987f06aa3612c3e892d629e0136b8a6c9c39b5723f9693d2f734e0c42b6c6