Analysis
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max time kernel
85s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 09:51
Static task
static1
Behavioral task
behavioral1
Sample
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
Resource
win10v2004-20220901-en
General
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Target
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe
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Size
169KB
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MD5
7bce2359aa3d49cc521ede62553bc21f
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SHA1
ce02e7d071964f24f00f17877cf340aaf7deca4a
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SHA256
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae
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SHA512
cde5f91c68f289aebf91f2bdeafaa11036dbbc4a01236c082903468887243a38a16e85bf805a81f630cf8faca37a9e31b64ea1155366bc17958a2cf1952d92de
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SSDEEP
3072:SLpxTJJWCXx7vCg/s74+vOt0+6KMBKy6DJclb4+wFRR:St9RdvCg0vsF44+a
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-43455425\\s39354.exe" 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\sde346 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-43455425\\s39354.exe" 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exedescription ioc process File created C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-43455425\Desktop.ini 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe -
Modifies WinLogon 2 TTPs 1 IoCs
Processes:
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-43455425\\s39354.exe" 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exedescription pid process target process PID 960 set thread context of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exepid process 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 900 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exedescription pid process target process PID 960 wrote to memory of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe PID 960 wrote to memory of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe PID 960 wrote to memory of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe PID 960 wrote to memory of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe PID 960 wrote to memory of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe PID 960 wrote to memory of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe PID 960 wrote to memory of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe PID 960 wrote to memory of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe PID 960 wrote to memory of 900 960 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe PID 900 wrote to memory of 1244 900 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe Explorer.EXE PID 900 wrote to memory of 1244 900 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe Explorer.EXE PID 900 wrote to memory of 1244 900 85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
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C:\Users\Admin\AppData\Local\Temp\85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe"C:\Users\Admin\AppData\Local\Temp\85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe"C:\Users\Admin\AppData\Local\Temp\85734e953d02cb76263921b2a30e5e3ebef1bfb1758809d8a9b7d640c804c4ae.exe"3⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops desktop.ini file(s)
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/900-54-0x0000000000400000-0x0000000000405000-memory.dmpFilesize
20KB
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memory/900-55-0x0000000000400000-0x0000000000405000-memory.dmpFilesize
20KB
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memory/900-57-0x0000000000400000-0x0000000000405000-memory.dmpFilesize
20KB
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memory/900-58-0x0000000000400000-0x0000000000405000-memory.dmpFilesize
20KB
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memory/900-59-0x0000000000400000-0x0000000000405000-memory.dmpFilesize
20KB
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memory/900-60-0x0000000000401920-mapping.dmp
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memory/900-62-0x0000000000400000-0x0000000000405000-memory.dmpFilesize
20KB