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Analysis
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max time kernel
186s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 23:45
Static task
static1
Behavioral task
behavioral1
Sample
81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral2
Sample
81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
General
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Target
81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe
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Size
56KB
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MD5
a54884e11d942683eb5bc4df7c13aef7
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SHA1
8ba5f506dcdeef904c73e89df7d08c4f29ef0821
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SHA256
81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297
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SHA512
04a8bc44617a3d648df11628ff5843f2eff99bf7c436bea11087d0e82ee831e159eeb1ca9b92e3f1ef683e4af3f7b507eb305a3d3800e8f238ada561111af6aa
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SSDEEP
768:c+HBPe1HHR4lCko8jf0mq/6/Q/9NF0+LEc8af3ts0E91:cl1HHRIocq2oS+Ljb3ts0E91
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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" filen.exe -
Executes dropped EXE 1 IoCs
pid Process 1616 filen.exe -
Loads dropped DLL 2 IoCs
pid Process 1784 81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe 1784 81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ filen.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\filen = "C:\\Users\\Admin\\filen.exe" filen.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 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe 1616 filen.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1784 81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe 1616 filen.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1784 wrote to memory of 1616 1784 81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe 28 PID 1784 wrote to memory of 1616 1784 81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe 28 PID 1784 wrote to memory of 1616 1784 81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe 28 PID 1784 wrote to memory of 1616 1784 81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe 28 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27 PID 1616 wrote to memory of 1784 1616 filen.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe"C:\Users\Admin\AppData\Local\Temp\81a116e0142d7640750ad8dc5142a72855e5f488b62c872b0de41528b867a297.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Users\Admin\filen.exe"C:\Users\Admin\filen.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
- Suspicious use of WriteProcessMemory
PID:1616
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
56KB
MD50e162b353cf761718086520f774a3550
SHA142558c488de2792156a09b26fd4f3feb001ba23f
SHA256799340e4e36f2307e8ce70c60e7476b561cc4b5b18e246df875ca5540beaa8ad
SHA5125abf0022dbb7b56cde9db4b0ff24b6bd0629ba6a752fec1f0ef4069f59c39d480dd092e21377d221703345c881ef1a50b5d79ae6bb9f18ecdedb6d11440d0cbb
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Filesize
56KB
MD50e162b353cf761718086520f774a3550
SHA142558c488de2792156a09b26fd4f3feb001ba23f
SHA256799340e4e36f2307e8ce70c60e7476b561cc4b5b18e246df875ca5540beaa8ad
SHA5125abf0022dbb7b56cde9db4b0ff24b6bd0629ba6a752fec1f0ef4069f59c39d480dd092e21377d221703345c881ef1a50b5d79ae6bb9f18ecdedb6d11440d0cbb
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Filesize
56KB
MD50e162b353cf761718086520f774a3550
SHA142558c488de2792156a09b26fd4f3feb001ba23f
SHA256799340e4e36f2307e8ce70c60e7476b561cc4b5b18e246df875ca5540beaa8ad
SHA5125abf0022dbb7b56cde9db4b0ff24b6bd0629ba6a752fec1f0ef4069f59c39d480dd092e21377d221703345c881ef1a50b5d79ae6bb9f18ecdedb6d11440d0cbb
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Filesize
56KB
MD50e162b353cf761718086520f774a3550
SHA142558c488de2792156a09b26fd4f3feb001ba23f
SHA256799340e4e36f2307e8ce70c60e7476b561cc4b5b18e246df875ca5540beaa8ad
SHA5125abf0022dbb7b56cde9db4b0ff24b6bd0629ba6a752fec1f0ef4069f59c39d480dd092e21377d221703345c881ef1a50b5d79ae6bb9f18ecdedb6d11440d0cbb