Analysis
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max time kernel
152s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-10-2022 19:57
Static task
static1
Behavioral task
behavioral1
Sample
d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe
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Size
244KB
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MD5
92218578e4073711891d61523b515950
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SHA1
59318d2d1e2154eb823b1193678812a3e10a5ec8
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SHA256
d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a
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SHA512
5697aff7551e020515f5640d9d381aef25bc4366b39e7986d9184c9c96d37cb61eb24c7b4deac64197caad8937d80af84b96a830d14fa1e5b51a9dfc8ca9938c
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SSDEEP
6144:0Rww39SfGzlTphJgW9mnrQLMjTsZzILK/fObT/bGiuF0a59ONKLUWrIhO1a8p5x+:Rw39SfGzlTPJgWUnjjTsZzILK/fObT/X
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" muehoe.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe -
Executes dropped EXE 1 IoCs
pid Process 1952 muehoe.exe -
Loads dropped DLL 2 IoCs
pid Process 1652 d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe 1652 d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /U" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /T" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /h" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /O" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /J" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /x" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /G" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /D" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /b" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /F" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /E" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /W" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /s" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /j" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /d" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /R" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /X" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /A" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /t" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /F" d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /l" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /C" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /a" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /m" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /I" muehoe.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /v" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /Y" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /f" muehoe.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /g" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /B" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /S" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /Q" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /P" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /w" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /e" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /r" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /k" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /N" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /c" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /Z" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /u" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /n" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /M" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /V" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /H" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /L" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /o" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /i" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /y" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /q" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /z" muehoe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muehoe = "C:\\Users\\Admin\\muehoe.exe /K" muehoe.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 1652 d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe 1952 muehoe.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1652 d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe 1952 muehoe.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1652 wrote to memory of 1952 1652 d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe 27 PID 1652 wrote to memory of 1952 1652 d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe 27 PID 1652 wrote to memory of 1952 1652 d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe 27 PID 1652 wrote to memory of 1952 1652 d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.exe"C:\Users\Admin\AppData\Local\Temp\d8b3aa6948855aabae8930a54a81519cc414aac5626ea6d8fac92cd08fc6e90a.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:1652 -
C:\Users\Admin\muehoe.exe"C:\Users\Admin\muehoe.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:1952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
244KB
MD522fd39cf31589898615a28d39e74945c
SHA1ec59187819e9fce6283cb5ea2082831d5eb84527
SHA25686a3d254863d323c120f963de6cf96bec2fe8d5ad7b3ec0dfb327983a1c62ae1
SHA512f3bb0f34211932ce5acbde98eda41b1b03fffe4747679fc97f0aac8b71a2906873838f47939364d67dbdd2a7cd28c695d7ef9a24bcf36649da4030f8a9cf8e06
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Filesize
244KB
MD522fd39cf31589898615a28d39e74945c
SHA1ec59187819e9fce6283cb5ea2082831d5eb84527
SHA25686a3d254863d323c120f963de6cf96bec2fe8d5ad7b3ec0dfb327983a1c62ae1
SHA512f3bb0f34211932ce5acbde98eda41b1b03fffe4747679fc97f0aac8b71a2906873838f47939364d67dbdd2a7cd28c695d7ef9a24bcf36649da4030f8a9cf8e06
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Filesize
244KB
MD522fd39cf31589898615a28d39e74945c
SHA1ec59187819e9fce6283cb5ea2082831d5eb84527
SHA25686a3d254863d323c120f963de6cf96bec2fe8d5ad7b3ec0dfb327983a1c62ae1
SHA512f3bb0f34211932ce5acbde98eda41b1b03fffe4747679fc97f0aac8b71a2906873838f47939364d67dbdd2a7cd28c695d7ef9a24bcf36649da4030f8a9cf8e06
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Filesize
244KB
MD522fd39cf31589898615a28d39e74945c
SHA1ec59187819e9fce6283cb5ea2082831d5eb84527
SHA25686a3d254863d323c120f963de6cf96bec2fe8d5ad7b3ec0dfb327983a1c62ae1
SHA512f3bb0f34211932ce5acbde98eda41b1b03fffe4747679fc97f0aac8b71a2906873838f47939364d67dbdd2a7cd28c695d7ef9a24bcf36649da4030f8a9cf8e06