Analysis
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max time kernel
188s -
max time network
107s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 07:14
Behavioral task
behavioral1
Sample
b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe
Resource
win10v2004-20221111-en
General
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Target
b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe
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Size
212KB
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MD5
1e2a4e33b52c40d1f88488229339c49a
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SHA1
8eaf1a1bfc40ae0c1e8d2903a7f32c59d87fad81
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SHA256
b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741
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SHA512
67b8322fbad551618e675a6a04e8743a95d07b306ad887df99f8aa960d2dd375aaa85035266d5d9c9fa7da36b639176787483645e6e89ad9f0862a99878cefa3
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SSDEEP
3072:5D4N92eb5lbL9L9CaUsC8fnC5TfYlKdE9vEoi8sIWAcRO4is+K:5D4rbHTCaUsC8xj2RbR3
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
exe.exepid process 1712 exe.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
exe.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8f83063891aff736f8d9ef19a8d90594.exe exe.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8f83063891aff736f8d9ef19a8d90594.exe exe.exe -
Loads dropped DLL 1 IoCs
Processes:
b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exepid process 1392 b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
exe.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\8f83063891aff736f8d9ef19a8d90594 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\exe.exe\" .." exe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8f83063891aff736f8d9ef19a8d90594 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\exe.exe\" .." exe.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 14 IoCs
Processes:
exe.exepid process 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe 1712 exe.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
exe.exedescription pid process Token: SeDebugPrivilege 1712 exe.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exeexe.exedescription pid process target process PID 1392 wrote to memory of 1712 1392 b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe exe.exe PID 1392 wrote to memory of 1712 1392 b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe exe.exe PID 1392 wrote to memory of 1712 1392 b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe exe.exe PID 1392 wrote to memory of 1712 1392 b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe exe.exe PID 1712 wrote to memory of 536 1712 exe.exe netsh.exe PID 1712 wrote to memory of 536 1712 exe.exe netsh.exe PID 1712 wrote to memory of 536 1712 exe.exe netsh.exe PID 1712 wrote to memory of 536 1712 exe.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe"C:\Users\Admin\AppData\Local\Temp\b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Users\Admin\AppData\Local\Temp\exe.exe"C:\Users\Admin\AppData\Local\Temp\exe.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\exe.exe" "exe.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:536
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\exe.exeFilesize
212KB
MD51e2a4e33b52c40d1f88488229339c49a
SHA18eaf1a1bfc40ae0c1e8d2903a7f32c59d87fad81
SHA256b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741
SHA51267b8322fbad551618e675a6a04e8743a95d07b306ad887df99f8aa960d2dd375aaa85035266d5d9c9fa7da36b639176787483645e6e89ad9f0862a99878cefa3
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C:\Users\Admin\AppData\Local\Temp\exe.exeFilesize
212KB
MD51e2a4e33b52c40d1f88488229339c49a
SHA18eaf1a1bfc40ae0c1e8d2903a7f32c59d87fad81
SHA256b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741
SHA51267b8322fbad551618e675a6a04e8743a95d07b306ad887df99f8aa960d2dd375aaa85035266d5d9c9fa7da36b639176787483645e6e89ad9f0862a99878cefa3
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\Users\Admin\AppData\Local\Temp\exe.exeFilesize
212KB
MD51e2a4e33b52c40d1f88488229339c49a
SHA18eaf1a1bfc40ae0c1e8d2903a7f32c59d87fad81
SHA256b160628daaa564297380332b5e854f217a1ceb3af5a1031b982b6884d6a45741
SHA51267b8322fbad551618e675a6a04e8743a95d07b306ad887df99f8aa960d2dd375aaa85035266d5d9c9fa7da36b639176787483645e6e89ad9f0862a99878cefa3
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memory/536-64-0x0000000000000000-mapping.dmp
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memory/1392-54-0x0000000075BE1000-0x0000000075BE3000-memory.dmpFilesize
8KB
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memory/1392-55-0x0000000074620000-0x0000000074BCB000-memory.dmpFilesize
5.7MB
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memory/1392-56-0x0000000074620000-0x0000000074BCB000-memory.dmpFilesize
5.7MB
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memory/1392-62-0x0000000074620000-0x0000000074BCB000-memory.dmpFilesize
5.7MB
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memory/1712-58-0x0000000000000000-mapping.dmp
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memory/1712-63-0x0000000074620000-0x0000000074BCB000-memory.dmpFilesize
5.7MB
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memory/1712-66-0x0000000074620000-0x0000000074BCB000-memory.dmpFilesize
5.7MB