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Analysis
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max time kernel
171s -
max time network
93s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 23:07
Static task
static1
Behavioral task
behavioral1
Sample
929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe
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Size
196KB
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MD5
cf333b8ae4ef6262cc150c464ff061f9
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SHA1
83dd3c58ca53bf4cef9b3a08a341d0d166de27e1
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SHA256
929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb
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SHA512
aa5feaa92ab7a896d35646cc535136c1c4dfcb2bae3f5c17263be78eef6582fd354ff30e71f98019e090eb7c9e56fa2d7210ca4be735dca773361518a696df4c
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SSDEEP
3072:+y1DAg8t0tQ9nLHbB9WmvA7vejJWKvE+KmyJ:zu4QxL7B9WjjejJW5P
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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wunis.exe -
Executes dropped EXE 1 IoCs
pid Process 792 wunis.exe -
Loads dropped DLL 2 IoCs
pid Process 1772 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe 1772 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe -
Adds Run key to start application 2 TTPs 28 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /k" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /d" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /y" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /i" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /m" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /a" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /l" wunis.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /f" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /v" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /s" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /b" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /p" wunis.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /z" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /e" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /k" 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /r" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /u" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /w" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /x" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /j" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /h" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /n" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /t" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /q" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /g" wunis.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\wunis = "C:\\Users\\Admin\\wunis.exe /c" wunis.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 1772 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe 792 wunis.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1772 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe 792 wunis.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1772 wrote to memory of 792 1772 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe 28 PID 1772 wrote to memory of 792 1772 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe 28 PID 1772 wrote to memory of 792 1772 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe 28 PID 1772 wrote to memory of 792 1772 929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.exe"C:\Users\Admin\AppData\Local\Temp\929dce67c7f7acaa5877a44ac5a75c6ff5b39604f8af81bd5119bfd7226977cb.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:1772 -
C:\Users\Admin\wunis.exe"C:\Users\Admin\wunis.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:792
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
196KB
MD5afa7f0f9c2e9274ae3756545dc06d7ed
SHA1bc97afdb76cbb760d39e1db36833a7ff36b770a5
SHA25629db56fa5ce5b5991164677168ee4f77806f27802cf7bb7a5131281cc8b28e35
SHA512c15ef0e636b12c2a7e2e3269238f989d54e39bde620888a131baa6eec645db6ab51168305ccb843a95b576ed91f8d20b41deba1385caacdf07b897ee5d96c7e5
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Filesize
196KB
MD5afa7f0f9c2e9274ae3756545dc06d7ed
SHA1bc97afdb76cbb760d39e1db36833a7ff36b770a5
SHA25629db56fa5ce5b5991164677168ee4f77806f27802cf7bb7a5131281cc8b28e35
SHA512c15ef0e636b12c2a7e2e3269238f989d54e39bde620888a131baa6eec645db6ab51168305ccb843a95b576ed91f8d20b41deba1385caacdf07b897ee5d96c7e5
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Filesize
196KB
MD5afa7f0f9c2e9274ae3756545dc06d7ed
SHA1bc97afdb76cbb760d39e1db36833a7ff36b770a5
SHA25629db56fa5ce5b5991164677168ee4f77806f27802cf7bb7a5131281cc8b28e35
SHA512c15ef0e636b12c2a7e2e3269238f989d54e39bde620888a131baa6eec645db6ab51168305ccb843a95b576ed91f8d20b41deba1385caacdf07b897ee5d96c7e5
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Filesize
196KB
MD5afa7f0f9c2e9274ae3756545dc06d7ed
SHA1bc97afdb76cbb760d39e1db36833a7ff36b770a5
SHA25629db56fa5ce5b5991164677168ee4f77806f27802cf7bb7a5131281cc8b28e35
SHA512c15ef0e636b12c2a7e2e3269238f989d54e39bde620888a131baa6eec645db6ab51168305ccb843a95b576ed91f8d20b41deba1385caacdf07b897ee5d96c7e5