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Analysis
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max time kernel
150s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/09/2022, 01:05
Static task
static1
Behavioral task
behavioral1
Sample
55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe
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Size
176KB
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MD5
65863c8e65ee8841e9899fc37b7c8a53
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SHA1
6d0b8c921a0034da668c86eab85d58ed9b5aeb22
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SHA256
55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c
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SHA512
dac79ec126f47597d1b08cdfd27c46d44e0bb5f1198670d1510825373f661de32c805792b9236bc290002fca36cd59c84e919b23c273d5fd1b0ef2472cb073fe
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SSDEEP
3072:IRlNSIcEGROnFVgPmCXMNKiqMQMZZZZWMkIJlo:cg6tEMNIMQHYc
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" 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yueuq.exe -
Executes dropped EXE 1 IoCs
pid Process 1740 yueuq.exe -
Loads dropped DLL 2 IoCs
pid Process 2032 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe 2032 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /a" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /s" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /h" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /k" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /i" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /f" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /q" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /x" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /c" yueuq.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /w" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /u" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /m" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /t" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /j" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /y" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /e" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /e" 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /g" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /o" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /l" yueuq.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /d" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /v" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /r" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /p" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /n" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /z" yueuq.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yueuq = "C:\\Users\\Admin\\yueuq.exe /b" yueuq.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 2032 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe 1740 yueuq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2032 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe 1740 yueuq.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2032 wrote to memory of 1740 2032 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe 28 PID 2032 wrote to memory of 1740 2032 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe 28 PID 2032 wrote to memory of 1740 2032 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe 28 PID 2032 wrote to memory of 1740 2032 55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.exe"C:\Users\Admin\AppData\Local\Temp\55dbb21e48622f47139e066ec7594608dc0be6caa10c81dbece5dc9558c4c89c.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:2032 -
C:\Users\Admin\yueuq.exe"C:\Users\Admin\yueuq.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:1740
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
176KB
MD545c43edad6829568a5cdb4b2978c3631
SHA142256f0bfd40773a7065428f6e77d7eb96ee4934
SHA25625836f22ac036442e61b8f743a78e4afa73d1cb354f77ac42fbf405fa12f7663
SHA5122d2f53adb9d8b877e19e998c9a8a2658fabe88324cea2d5b1ce7dcd8f7a29d69c3a26e54b2162095607c78e2c2f84e2c889f88a7adddbeecda7ba0f56d1d463a
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Filesize
176KB
MD545c43edad6829568a5cdb4b2978c3631
SHA142256f0bfd40773a7065428f6e77d7eb96ee4934
SHA25625836f22ac036442e61b8f743a78e4afa73d1cb354f77ac42fbf405fa12f7663
SHA5122d2f53adb9d8b877e19e998c9a8a2658fabe88324cea2d5b1ce7dcd8f7a29d69c3a26e54b2162095607c78e2c2f84e2c889f88a7adddbeecda7ba0f56d1d463a
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Filesize
176KB
MD545c43edad6829568a5cdb4b2978c3631
SHA142256f0bfd40773a7065428f6e77d7eb96ee4934
SHA25625836f22ac036442e61b8f743a78e4afa73d1cb354f77ac42fbf405fa12f7663
SHA5122d2f53adb9d8b877e19e998c9a8a2658fabe88324cea2d5b1ce7dcd8f7a29d69c3a26e54b2162095607c78e2c2f84e2c889f88a7adddbeecda7ba0f56d1d463a
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Filesize
176KB
MD545c43edad6829568a5cdb4b2978c3631
SHA142256f0bfd40773a7065428f6e77d7eb96ee4934
SHA25625836f22ac036442e61b8f743a78e4afa73d1cb354f77ac42fbf405fa12f7663
SHA5122d2f53adb9d8b877e19e998c9a8a2658fabe88324cea2d5b1ce7dcd8f7a29d69c3a26e54b2162095607c78e2c2f84e2c889f88a7adddbeecda7ba0f56d1d463a