Analysis
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max time kernel
169s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05-12-2022 10:18
Static task
static1
Behavioral task
behavioral1
Sample
b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe
Resource
win10v2004-20221111-en
General
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Target
b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe
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Size
196KB
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MD5
4586c84ce1628b7a3b09d8c3e29be191
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SHA1
23d4c6547d63bc800ac86629a6283066797ee205
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SHA256
b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9
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SHA512
14685fd447575a6242ce570e0927a360b929157d8918c5b3fcf13f2d0c2a959ca0a0eaa3641e4baac7f415b68d3b99a757df568a580b97950403a5c91a3f71cc
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SSDEEP
6144:SiJaUPH3bX2a23NYcJQ8TfxZ85WJ007K9tSBN7fZfh:NJaUPH3bX2a23NYcJQ8TfxZ9J0PtSzz7
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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dbfid.exe -
Executes dropped EXE 1 IoCs
pid Process 856 dbfid.exe -
Loads dropped DLL 2 IoCs
pid Process 2044 b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe 2044 b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe -
Adds Run key to start application 2 TTPs 47 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /h" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /F" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /l" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /E" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /i" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /O" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /f" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /K" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /H" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /e" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /g" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /Z" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /t" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /y" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /R" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /V" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /J" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /C" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /c" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /Q" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /a" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /U" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /k" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /S" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /X" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /w" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /o" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /s" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /n" dbfid.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /P" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /G" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /D" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /N" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /T" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /M" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /p" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /b" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /F" b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /I" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /m" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /j" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /q" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /Y" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /L" dbfid.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\dbfid = "C:\\Users\\Admin\\dbfid.exe /r" dbfid.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 2044 b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe 856 dbfid.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2044 b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe 856 dbfid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2044 wrote to memory of 856 2044 b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe 28 PID 2044 wrote to memory of 856 2044 b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe 28 PID 2044 wrote to memory of 856 2044 b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe 28 PID 2044 wrote to memory of 856 2044 b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.exe"C:\Users\Admin\AppData\Local\Temp\b8fa493080f98f78209b183a0494d20233431d7ff037e364c3fdf1f8a2c60bf9.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:2044 -
C:\Users\Admin\dbfid.exe"C:\Users\Admin\dbfid.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:856
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
196KB
MD58ba7f739d998318365405b7a8a00fd51
SHA1823cf6c3b513e3032419cd0d17863ed0857ec87b
SHA2562c0e0a9f8604326a0e000c2a06ba9fe9104f6708cd1426a22b689933e37130a6
SHA512a818bb3ee7f715bfc372df3b1265ace2449df867628f1517894f6c8831239c9dee85430b522c7b07d7b8a6a40b0474f14a49c63b3e13dd7f930f92d0ef4094fb
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Filesize
196KB
MD58ba7f739d998318365405b7a8a00fd51
SHA1823cf6c3b513e3032419cd0d17863ed0857ec87b
SHA2562c0e0a9f8604326a0e000c2a06ba9fe9104f6708cd1426a22b689933e37130a6
SHA512a818bb3ee7f715bfc372df3b1265ace2449df867628f1517894f6c8831239c9dee85430b522c7b07d7b8a6a40b0474f14a49c63b3e13dd7f930f92d0ef4094fb
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Filesize
196KB
MD58ba7f739d998318365405b7a8a00fd51
SHA1823cf6c3b513e3032419cd0d17863ed0857ec87b
SHA2562c0e0a9f8604326a0e000c2a06ba9fe9104f6708cd1426a22b689933e37130a6
SHA512a818bb3ee7f715bfc372df3b1265ace2449df867628f1517894f6c8831239c9dee85430b522c7b07d7b8a6a40b0474f14a49c63b3e13dd7f930f92d0ef4094fb
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Filesize
196KB
MD58ba7f739d998318365405b7a8a00fd51
SHA1823cf6c3b513e3032419cd0d17863ed0857ec87b
SHA2562c0e0a9f8604326a0e000c2a06ba9fe9104f6708cd1426a22b689933e37130a6
SHA512a818bb3ee7f715bfc372df3b1265ace2449df867628f1517894f6c8831239c9dee85430b522c7b07d7b8a6a40b0474f14a49c63b3e13dd7f930f92d0ef4094fb