Analysis
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max time kernel
151s -
max time network
93s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
07/12/2022, 03:32
Static task
static1
Behavioral task
behavioral1
Sample
a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe
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Size
224KB
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MD5
1ef50615658ab036766497e6f3b3509b
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SHA1
7c4accc29d9a4104e675774da710e08fc90c6752
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SHA256
a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb
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SHA512
5c6c2d49d5dadb6981a1bf4d2ca5f8b299cf0e4705312aefd0e07791da554df3eda0cf3f1371eda4556103bd2de46091f26e2bca0e01b15fcf45b16beec765a2
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SSDEEP
3072:sRJ8SkLNzq4ZA4j88xrqzojYvebJNCpdAI9mifH6x0cd+44:sRxSs4K4j88xrqzKYmXCDjfHu0x
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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe Set value (int) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tueuyi.exe -
Executes dropped EXE 1 IoCs
pid Process 1356 tueuyi.exe -
Loads dropped DLL 2 IoCs
pid Process 1640 a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe 1640 a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /l" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /e" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /f" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /z" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /n" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /c" tueuyi.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /v" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /d" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /k" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /a" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /u" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /x" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /b" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /n" a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /q" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /r" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /y" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /w" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /s" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /i" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /j" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /o" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /m" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /t" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /g" tueuyi.exe Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\tueuyi = "C:\\Users\\Admin\\tueuyi.exe /h" tueuyi.exe Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tueuyi.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum tueuyi.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 tueuyi.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 1640 a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe 1356 tueuyi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1640 a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe 1356 tueuyi.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1640 wrote to memory of 1356 1640 a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe 28 PID 1640 wrote to memory of 1356 1640 a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe 28 PID 1640 wrote to memory of 1356 1640 a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe 28 PID 1640 wrote to memory of 1356 1640 a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe"C:\Users\Admin\AppData\Local\Temp\a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Users\Admin\tueuyi.exe"C:\Users\Admin\tueuyi.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1356
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
224KB
MD51ef50615658ab036766497e6f3b3509b
SHA17c4accc29d9a4104e675774da710e08fc90c6752
SHA256a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb
SHA5125c6c2d49d5dadb6981a1bf4d2ca5f8b299cf0e4705312aefd0e07791da554df3eda0cf3f1371eda4556103bd2de46091f26e2bca0e01b15fcf45b16beec765a2
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Filesize
224KB
MD51ef50615658ab036766497e6f3b3509b
SHA17c4accc29d9a4104e675774da710e08fc90c6752
SHA256a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb
SHA5125c6c2d49d5dadb6981a1bf4d2ca5f8b299cf0e4705312aefd0e07791da554df3eda0cf3f1371eda4556103bd2de46091f26e2bca0e01b15fcf45b16beec765a2
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Filesize
224KB
MD51ef50615658ab036766497e6f3b3509b
SHA17c4accc29d9a4104e675774da710e08fc90c6752
SHA256a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb
SHA5125c6c2d49d5dadb6981a1bf4d2ca5f8b299cf0e4705312aefd0e07791da554df3eda0cf3f1371eda4556103bd2de46091f26e2bca0e01b15fcf45b16beec765a2
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Filesize
224KB
MD51ef50615658ab036766497e6f3b3509b
SHA17c4accc29d9a4104e675774da710e08fc90c6752
SHA256a0b5fa8e5bd46df2a63dad06baad3f4c606903e5791347418b26c8cfb7807bfb
SHA5125c6c2d49d5dadb6981a1bf4d2ca5f8b299cf0e4705312aefd0e07791da554df3eda0cf3f1371eda4556103bd2de46091f26e2bca0e01b15fcf45b16beec765a2