Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28-11-2022 04:26
Static task
static1
Behavioral task
behavioral1
Sample
6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe
Resource
win10v2004-20220812-en
General
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Target
6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe
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Size
784KB
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MD5
bd2a8d5a3e22913c773187edb9dac24d
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SHA1
e0f750d27cc0fb78890212a996ccb717312facd1
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SHA256
6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f
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SHA512
bb1040f0abb0798cdef5e6a1ae7c351f459571053a22b7f09c8502c49c0f0b5be1436818ed46fa1dd143291de5316258bc9bbb1223d801cc23a8d398e0ff99b8
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SSDEEP
24576:SB0sDNiUfiPgI91kgveYzHSoGQfWRXFOcDaz6sm9:SZ5iUU5nBeYzHSoGV8cJsC
Malware Config
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ojahevwt = "\"C:\\Windows\\ytehipix.exe\"" explorer.exe -
Processes:
6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exedescription pid process target process PID 1264 set thread context of 4340 1264 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe PID 4340 set thread context of 5028 4340 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe explorer.exe -
Drops file in Windows directory 2 IoCs
Processes:
explorer.exedescription ioc process File opened for modification C:\Windows\ytehipix.exe explorer.exe File created C:\Windows\ytehipix.exe explorer.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
Processes:
vssadmin.exepid process 1868 vssadmin.exe -
Modifies Internet Explorer Phishing Filter 1 TTPs 3 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\EnabledV8 = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\EnabledV9 = "0" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\PhishingFilter explorer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vssvc.exedescription pid process Token: SeBackupPrivilege 2872 vssvc.exe Token: SeRestorePrivilege 2872 vssvc.exe Token: SeAuditPrivilege 2872 vssvc.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exeexplorer.exedescription pid process target process PID 1264 wrote to memory of 4340 1264 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe PID 1264 wrote to memory of 4340 1264 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe PID 1264 wrote to memory of 4340 1264 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe PID 1264 wrote to memory of 4340 1264 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe PID 1264 wrote to memory of 4340 1264 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe PID 4340 wrote to memory of 5028 4340 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe explorer.exe PID 4340 wrote to memory of 5028 4340 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe explorer.exe PID 4340 wrote to memory of 5028 4340 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe explorer.exe PID 4340 wrote to memory of 5028 4340 6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe explorer.exe PID 5028 wrote to memory of 1868 5028 explorer.exe vssadmin.exe PID 5028 wrote to memory of 1868 5028 explorer.exe vssadmin.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe"C:\Users\Admin\AppData\Local\Temp\6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe"C:\Users\Admin\AppData\Local\Temp\6bd1d9ad83ba7d05dac38b7a546437de571805f5c0b99e96c2e5e63d368e7e0f.exe"2⤵
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\system32\explorer.exe"3⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies Internet Explorer Phishing Filter
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\vssadmin.exevssadmin.exe Delete Shadows /All /Quiet4⤵
- Interacts with shadow copies
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\aduqeliginopicah\01000000Filesize
784KB
MD535e8e2dae1e10cefa2f6a75e78b01783
SHA176a0cab612b6a5415bc422d1d1c6302179829c7d
SHA256280318b7d2344363795baaf8dd038010f0eb41ed3096451d6f53ff25e6a56e7a
SHA5127e63aa83cd96062e6f23826b3eea3ee1882d51451d80281269f1a6eb08e98a9aeb020d95ec688d20255ee543e3d9d6219d71a398b496355287ec3df2329bdc71
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memory/1264-135-0x0000000002260000-0x0000000002268000-memory.dmpFilesize
32KB
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memory/1868-144-0x0000000000000000-mapping.dmp
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memory/4340-134-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/4340-132-0x0000000000000000-mapping.dmp
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memory/4340-136-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/4340-137-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/4340-133-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/4340-143-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/5028-138-0x0000000000000000-mapping.dmp
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memory/5028-139-0x0000000000360000-0x000000000039C000-memory.dmpFilesize
240KB
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memory/5028-141-0x0000000000360000-0x000000000039C000-memory.dmpFilesize
240KB
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memory/5028-145-0x0000000000360000-0x000000000039C000-memory.dmpFilesize
240KB