Analysis
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max time kernel
77s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07/12/2022, 02:55
Static task
static1
Behavioral task
behavioral1
Sample
1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe
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Size
316KB
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MD5
9abb8760b9e16e4f1c215e9cf23c7805
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SHA1
3dc9d9acd34ee5d8195cd45c2a5133aeda62a399
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SHA256
1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215
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SHA512
55fef478c7315afb0c18d42e8a2a129bc73509a253a2181652cde2e2d1728b0d14647faf33d98e12b8408eb74e832aa41b64ea0f7ad3ad2af7ba7c376a285b74
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SSDEEP
3072:VZ2whpF3SpWufuEwuESamFi5eLb532qRgzqRe/aT4E1KZnBmaNtDvJRZ8Ng0ykdN:VZb3qb532qRmqRe/aT4EYDmaNtNRKNN
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" 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" biriy.exe -
Executes dropped EXE 1 IoCs
pid Process 848 biriy.exe -
Loads dropped DLL 2 IoCs
pid Process 2016 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe 2016 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /l" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /x" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /h" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /q" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /y" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /u" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /o" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /v" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /p" biriy.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /a" 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /d" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /f" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /r" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /w" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /n" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /c" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /s" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /z" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /a" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /i" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /g" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /e" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /j" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /m" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /k" biriy.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\biriy = "C:\\Users\\Admin\\biriy.exe /t" biriy.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 2016 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe 848 biriy.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2016 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe 848 biriy.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2016 wrote to memory of 848 2016 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe 27 PID 2016 wrote to memory of 848 2016 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe 27 PID 2016 wrote to memory of 848 2016 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe 27 PID 2016 wrote to memory of 848 2016 1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.exe"C:\Users\Admin\AppData\Local\Temp\1494299ebb70bbb2198a6f02e76de555bcecc2742b3a2feb942b7fd6bd0eb215.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:2016 -
C:\Users\Admin\biriy.exe"C:\Users\Admin\biriy.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:848
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
316KB
MD52fba2ce403282acd85e2ab6cb5d95b1d
SHA10b316b5369625c8febc8d5d9b168abfb4bd6aa27
SHA2568d7337a369818ef9ab96e34b8bbb5967717f1ad8d4f155b260301f4a5a641063
SHA512f7e880209d712303585cf995a71e5da3a23d75a224ae21ebee610343e37504bbadedbd074222a3f1046fd4e256053a1ac522a8e1a20bbf633372d540d5231560
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Filesize
316KB
MD52fba2ce403282acd85e2ab6cb5d95b1d
SHA10b316b5369625c8febc8d5d9b168abfb4bd6aa27
SHA2568d7337a369818ef9ab96e34b8bbb5967717f1ad8d4f155b260301f4a5a641063
SHA512f7e880209d712303585cf995a71e5da3a23d75a224ae21ebee610343e37504bbadedbd074222a3f1046fd4e256053a1ac522a8e1a20bbf633372d540d5231560
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Filesize
316KB
MD52fba2ce403282acd85e2ab6cb5d95b1d
SHA10b316b5369625c8febc8d5d9b168abfb4bd6aa27
SHA2568d7337a369818ef9ab96e34b8bbb5967717f1ad8d4f155b260301f4a5a641063
SHA512f7e880209d712303585cf995a71e5da3a23d75a224ae21ebee610343e37504bbadedbd074222a3f1046fd4e256053a1ac522a8e1a20bbf633372d540d5231560
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Filesize
316KB
MD52fba2ce403282acd85e2ab6cb5d95b1d
SHA10b316b5369625c8febc8d5d9b168abfb4bd6aa27
SHA2568d7337a369818ef9ab96e34b8bbb5967717f1ad8d4f155b260301f4a5a641063
SHA512f7e880209d712303585cf995a71e5da3a23d75a224ae21ebee610343e37504bbadedbd074222a3f1046fd4e256053a1ac522a8e1a20bbf633372d540d5231560