Analysis
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max time kernel
150s -
max time network
109s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/12/2022, 11:31
Static task
static1
Behavioral task
behavioral1
Sample
bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe
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Size
312KB
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MD5
21f550f6003b97be362b72d72593dff7
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SHA1
bee815fea5d3d7e8b3903d113f177146e8d7da85
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SHA256
bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8
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SHA512
48d15d7d3113ac7b001139abb300c77cad0322eee39e763495a8238f6a055c6e4676c19a8ccb9c23839a05f19dbcd8825cfae186859acd728eecec44e3bb41cf
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SSDEEP
6144:eWbc0f7XP+g3AGJpWVzuzzURHeEgRK/fObT/bGiJKv6R7MkZ4lUr8W9HuOGKqvsW:Hw27/XvLWpuzWeEgRK/fObT/bGiJlMko
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" bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muaemi.exe -
Executes dropped EXE 1 IoCs
pid Process 1780 muaemi.exe -
Loads dropped DLL 2 IoCs
pid Process 1160 bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe 1160 bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.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\muaemi = "C:\\Users\\Admin\\muaemi.exe /e" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /P" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /M" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /I" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /x" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /s" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /v" bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /k" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /V" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /F" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /f" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /b" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /U" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /p" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /J" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /v" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /w" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /H" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /j" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /t" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /C" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /m" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /N" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /h" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /Q" muaemi.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /D" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /T" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /Z" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /l" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /z" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /W" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /A" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /g" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /y" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /r" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /d" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /E" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /G" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /L" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /O" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /S" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /n" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /R" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /K" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /Y" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /a" muaemi.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /i" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /c" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /u" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /B" muaemi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\muaemi = "C:\\Users\\Admin\\muaemi.exe /X" muaemi.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 1160 bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe 1780 muaemi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1160 bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe 1780 muaemi.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1160 wrote to memory of 1780 1160 bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe 28 PID 1160 wrote to memory of 1780 1160 bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe 28 PID 1160 wrote to memory of 1780 1160 bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe 28 PID 1160 wrote to memory of 1780 1160 bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.exe"C:\Users\Admin\AppData\Local\Temp\bc9a2ecc139ca1e1a97ac128aad1100b6efd8e843cd0c0a7f77887922f306cc8.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:1160 -
C:\Users\Admin\muaemi.exe"C:\Users\Admin\muaemi.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:1780
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
312KB
MD5fa04e0b62c2d4bee44a8b15c016839b6
SHA16848c1a688f61c43ad6319ce0ad374113408b3c6
SHA256bd1d2d714931f24afb28faee086188e2fefca8e3ce543c63f62ed381c0eb9b5f
SHA512ecdca6e8456132132bd5743d47a2ff54014ec6a90ecdfe76b69b0f8ea73a2aa038d4871c8a89ab9c413f4829dcdec15eab03760b21425360f3b75dc34b380068
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Filesize
312KB
MD5fa04e0b62c2d4bee44a8b15c016839b6
SHA16848c1a688f61c43ad6319ce0ad374113408b3c6
SHA256bd1d2d714931f24afb28faee086188e2fefca8e3ce543c63f62ed381c0eb9b5f
SHA512ecdca6e8456132132bd5743d47a2ff54014ec6a90ecdfe76b69b0f8ea73a2aa038d4871c8a89ab9c413f4829dcdec15eab03760b21425360f3b75dc34b380068
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Filesize
312KB
MD5fa04e0b62c2d4bee44a8b15c016839b6
SHA16848c1a688f61c43ad6319ce0ad374113408b3c6
SHA256bd1d2d714931f24afb28faee086188e2fefca8e3ce543c63f62ed381c0eb9b5f
SHA512ecdca6e8456132132bd5743d47a2ff54014ec6a90ecdfe76b69b0f8ea73a2aa038d4871c8a89ab9c413f4829dcdec15eab03760b21425360f3b75dc34b380068
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Filesize
312KB
MD5fa04e0b62c2d4bee44a8b15c016839b6
SHA16848c1a688f61c43ad6319ce0ad374113408b3c6
SHA256bd1d2d714931f24afb28faee086188e2fefca8e3ce543c63f62ed381c0eb9b5f
SHA512ecdca6e8456132132bd5743d47a2ff54014ec6a90ecdfe76b69b0f8ea73a2aa038d4871c8a89ab9c413f4829dcdec15eab03760b21425360f3b75dc34b380068