Analysis
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max time kernel
152s -
max time network
79s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05-12-2022 23:17
Static task
static1
Behavioral task
behavioral1
Sample
ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe
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Size
248KB
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MD5
952597d3e715be2d544cf49c99619620
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SHA1
fd2fc56a186866bb35af6098bcae2e9a04a2703d
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SHA256
ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4
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SHA512
b12fd8be843b49db34385f65f6aafcc198e1fdab692342be6aef21941ee5e9be4a7575177d8609c8533ba252953b555c4a6304655ae3675f6343a671308f4909
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SSDEEP
6144:DuBVQf00yyUf9dgAVRKlqBiErIsKnPmb7/jWal+FfAje+5/RxoOsutOSD/uP39R0:Duy0dyUf9DRKlqgErIsKnPmb7/jWa1eS
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wiehai.exe -
Executes dropped EXE 1 IoCs
pid Process 1936 wiehai.exe -
Loads dropped DLL 2 IoCs
pid Process 1504 ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe 1504 ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /o" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /Z" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /S" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /U" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /X" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /P" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /z" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /l" wiehai.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /r" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /n" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /t" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /f" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /C" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /q" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /B" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /J" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /Q" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /O" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /Y" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /A" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /b" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /m" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /V" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /G" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /h" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /c" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /s" ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /L" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /u" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /N" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /k" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /x" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /e" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /v" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /g" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /M" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /i" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /s" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /F" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /j" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /E" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /W" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /a" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /D" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /K" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /R" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /p" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /d" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /I" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /T" wiehai.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wiehai = "C:\\Users\\Admin\\wiehai.exe /H" wiehai.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 1504 ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe 1936 wiehai.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1504 ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe 1936 wiehai.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1504 wrote to memory of 1936 1504 ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe 28 PID 1504 wrote to memory of 1936 1504 ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe 28 PID 1504 wrote to memory of 1936 1504 ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe 28 PID 1504 wrote to memory of 1936 1504 ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.exe"C:\Users\Admin\AppData\Local\Temp\ca44fc5b2bc372a89d4bfb0d4858737e342f7962a465ba1a3ef3ba71ea0c75c4.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:1504 -
C:\Users\Admin\wiehai.exe"C:\Users\Admin\wiehai.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:1936
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
248KB
MD585dd6c76808546a4d6ec453fa36d0103
SHA11d4673f68dbaffdedc81ea96cdc65144aabdfaea
SHA2560336ce4cd094b34ec688f96b681f0ee010751211b725faaac46118842922ca55
SHA5129792d6f74c62e077063590cccd713acf18068a821cfaf0a78e01eaa773ca39fb50d447146a6cf1e939714d8ec1ce6c8f2f36fdd6060545be80baf39f791b6893
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Filesize
248KB
MD585dd6c76808546a4d6ec453fa36d0103
SHA11d4673f68dbaffdedc81ea96cdc65144aabdfaea
SHA2560336ce4cd094b34ec688f96b681f0ee010751211b725faaac46118842922ca55
SHA5129792d6f74c62e077063590cccd713acf18068a821cfaf0a78e01eaa773ca39fb50d447146a6cf1e939714d8ec1ce6c8f2f36fdd6060545be80baf39f791b6893
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Filesize
248KB
MD585dd6c76808546a4d6ec453fa36d0103
SHA11d4673f68dbaffdedc81ea96cdc65144aabdfaea
SHA2560336ce4cd094b34ec688f96b681f0ee010751211b725faaac46118842922ca55
SHA5129792d6f74c62e077063590cccd713acf18068a821cfaf0a78e01eaa773ca39fb50d447146a6cf1e939714d8ec1ce6c8f2f36fdd6060545be80baf39f791b6893
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Filesize
248KB
MD585dd6c76808546a4d6ec453fa36d0103
SHA11d4673f68dbaffdedc81ea96cdc65144aabdfaea
SHA2560336ce4cd094b34ec688f96b681f0ee010751211b725faaac46118842922ca55
SHA5129792d6f74c62e077063590cccd713acf18068a821cfaf0a78e01eaa773ca39fb50d447146a6cf1e939714d8ec1ce6c8f2f36fdd6060545be80baf39f791b6893