Analysis
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max time kernel
113s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 22:32
Static task
static1
Behavioral task
behavioral1
Sample
de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe
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Size
224KB
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MD5
007c08f6e54ca6b2d5de2d69ddb85000
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SHA1
48dc055f6fd59a22862ccaf23122b09294ab21f4
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SHA256
de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1
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SHA512
9de00c17493944e8020db48f85becf22ded9ef063c14fad6df5da578ddb2b88713ba22ef45c868ea0b4230564bb6c2e8b6d097c008ff120c511b89a5866dc14f
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SSDEEP
1536:zCedASRw0awoIZsh0CF+sKE0C1rZL4H0c/7wHeLxjaimtAbe79WCyiHCUXR6TAFG:i0MOFCsv/CL0jaQaWCyiHCx1psgN
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bfmoah.exe -
Executes dropped EXE 1 IoCs
pid Process 3708 bfmoah.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /a" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /q" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /d" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /h" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /s" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /v" bfmoah.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /k" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /j" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /m" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /p" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /l" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /r" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /n" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /i" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /y" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /b" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /f" de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /f" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /g" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /u" bfmoah.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /z" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /w" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /t" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /o" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /x" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /c" bfmoah.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfmoah = "C:\\Users\\Admin\\bfmoah.exe /e" bfmoah.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 2176 de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe 2176 de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe 3708 bfmoah.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2176 de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe 2176 de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe 3708 bfmoah.exe 3708 bfmoah.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2176 wrote to memory of 3708 2176 de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe 79 PID 2176 wrote to memory of 3708 2176 de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe 79 PID 2176 wrote to memory of 3708 2176 de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.exe"C:\Users\Admin\AppData\Local\Temp\de9d23970cad0cb40fa8d824d69bdb649fb74b5c42b75e6e51c2c5a12b288ea1.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:2176 -
C:\Users\Admin\bfmoah.exe"C:\Users\Admin\bfmoah.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:3708
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD51472551d661f7833c4c88e9b5e980dde
SHA1478691239ec37987eb9400e5658533182055ba21
SHA256030121cba58a045e7fcc0e86a0b1dccf405325e7dcb3f177309282282f5e5ca0
SHA5121c69a5afdf4868a9db54d11be6a1ea5f44810cb813dc5a450f8845f253afd69a039ecf3e731015d4d8ccf79471d64799a431935fc74da56a0b83840106ffe37e
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Filesize
224KB
MD51472551d661f7833c4c88e9b5e980dde
SHA1478691239ec37987eb9400e5658533182055ba21
SHA256030121cba58a045e7fcc0e86a0b1dccf405325e7dcb3f177309282282f5e5ca0
SHA5121c69a5afdf4868a9db54d11be6a1ea5f44810cb813dc5a450f8845f253afd69a039ecf3e731015d4d8ccf79471d64799a431935fc74da56a0b83840106ffe37e