Analysis
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max time kernel
151s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-12-2023 15:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
291aa682ab4718c45e0d32f85e4a0d9c.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
291aa682ab4718c45e0d32f85e4a0d9c.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
291aa682ab4718c45e0d32f85e4a0d9c.exe
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Size
364KB
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MD5
291aa682ab4718c45e0d32f85e4a0d9c
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SHA1
01e63c12b6ea978060483a953d8f20cdf934c446
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SHA256
41e09fab4de0cfda82aa9215e4787baa28c5c4f94f869eef4ad47af66bfbef9d
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SHA512
fe5327b41679043f9c3498cdc1a4a309b5a64b2c11672bfe37d1b28d2d69323cfeae1e959b974a78bd9d0d0e27cea4b1637d325045ab0cce650da1884ab418e6
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SSDEEP
6144:MUoJ7Sp18AIfGDnfe7bVAjzhGcRoFEIkJHz50rhkC23CmRnstGeC:aSIpGDnmBAjzcJFEVHF0rhkZSmRsA
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-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 291aa682ab4718c45e0d32f85e4a0d9c.exe Set value (int) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fmkiuj.exe -
Executes dropped EXE 1 IoCs
pid Process 2396 fmkiuj.exe -
Loads dropped DLL 2 IoCs
pid Process 1636 291aa682ab4718c45e0d32f85e4a0d9c.exe 1636 291aa682ab4718c45e0d32f85e4a0d9c.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /e" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /y" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /V" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /w" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /p" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /J" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /F" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /X" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /i" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /m" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /T" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /a" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /j" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /u" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /Y" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /f" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /R" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /S" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /W" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /Q" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /E" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /G" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /s" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /Z" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /U" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /l" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /K" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /x" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /q" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /k" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /h" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /A" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /B" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /g" 291aa682ab4718c45e0d32f85e4a0d9c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /r" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /c" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /H" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /M" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /L" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /P" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /g" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /N" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /d" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /D" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /I" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /z" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /b" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /o" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /n" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /t" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /v" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /C" fmkiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\fmkiuj = "C:\\Users\\Admin\\fmkiuj.exe /O" fmkiuj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1636 291aa682ab4718c45e0d32f85e4a0d9c.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe 2396 fmkiuj.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1636 291aa682ab4718c45e0d32f85e4a0d9c.exe 2396 fmkiuj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1636 wrote to memory of 2396 1636 291aa682ab4718c45e0d32f85e4a0d9c.exe 28 PID 1636 wrote to memory of 2396 1636 291aa682ab4718c45e0d32f85e4a0d9c.exe 28 PID 1636 wrote to memory of 2396 1636 291aa682ab4718c45e0d32f85e4a0d9c.exe 28 PID 1636 wrote to memory of 2396 1636 291aa682ab4718c45e0d32f85e4a0d9c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\291aa682ab4718c45e0d32f85e4a0d9c.exe"C:\Users\Admin\AppData\Local\Temp\291aa682ab4718c45e0d32f85e4a0d9c.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:1636 -
C:\Users\Admin\fmkiuj.exe"C:\Users\Admin\fmkiuj.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:2396
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
364KB
MD5eaf7d524efd18f9781df6ef3e0206919
SHA1a58d27fff34fcc56221fb9a7aa2925d8b4b4bbcd
SHA2569da8e119466cd3a6cb1e1b7c45cea844ca0627adb0941f2eb7223ace40c652f6
SHA51251a6c2cb8859c710c138a6c4bbfe40e8ddddd777d726a217c0e8400013e90b0966c08905473a0c1ab525b9e042ca4eba9f7d1aa76baf65208a18cbf5a4b4867f