Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04/06/2024, 18:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe
Resource
win7-20240508-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe
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Size
88KB
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MD5
681f9b497a0197f61306fc775088f35d
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SHA1
7ec231726737335b18b69f3afa0518cc1905eba6
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SHA256
140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c
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SHA512
7efdc71eeceac5a05b509fb981e7a07777721d3d26f6c433d9939af1593eabfcd2e6632a4d24522d0f359a6c3bc4eb551268a16e1e25eecc8c835591a20a3ee2
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SSDEEP
768:HO6jxOJETcNnIHpFeh6RM1rA8dOsk7jbqqRkA5okK1DfsvtDzsXjLft+9o1Jz:HOcx/ANILFUnzJA5o9BfItDoXjLl0+z
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-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe Set value (int) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ceefu.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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe -
Executes dropped EXE 1 IoCs
pid Process 3544 ceefu.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /b" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /q" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /v" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /a" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /d" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /e" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /p" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /w" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /y" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /o" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /s" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /h" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /r" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /l" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /c" 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /x" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /f" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /z" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /t" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /m" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /u" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /i" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /n" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /c" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /j" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /g" ceefu.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ceefu = "C:\\Users\\Admin\\ceefu.exe /k" ceefu.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 2492 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 2492 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe 3544 ceefu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2492 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 3544 ceefu.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2492 wrote to memory of 3544 2492 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 89 PID 2492 wrote to memory of 3544 2492 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 89 PID 2492 wrote to memory of 3544 2492 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe"C:\Users\Admin\AppData\Local\Temp\140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.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:2492 -
C:\Users\Admin\ceefu.exe"C:\Users\Admin\ceefu.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:3544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
88KB
MD5eb1f989d6890494207ce40f23edd3739
SHA164e9cbdeef017afe04f7e10f3442644bb5c16d06
SHA256187b2fd1248a645fc46eeb13cc619643a7e96f047381ed27a6baf68c060c817a
SHA512b9882819754948542c863b5b94436c1783273e4e08556b0a8a92d6425164ef0b563e9c43dcb0c175392d11615f7047b92e7b65a6dc4010ab74ab7cc5192ebe4e