Analysis
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max time kernel
98s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-06-2022 05:45
Static task
static1
Behavioral task
behavioral1
Sample
19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe
Resource
win10v2004-20220414-en
General
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Target
19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe
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Size
558KB
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MD5
0f8c6e70d2847d8b77e33b67da163170
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SHA1
d9b9965cf6d6615b3195000a6b6c26e324227bed
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SHA256
19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2
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SHA512
ebf0721ff989f62acf3550668fd9e8376a1eb4edeadc8d1b26a4755f3abc13dcf6a20c80fed3c382cc5d88c39d4a0396d61978430bb99a6bd36d3cda84232d3a
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
winsvcs.exepid process 1816 winsvcs.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Services = "C:\\Windows\\405069600303050\\winsvcs.exe" 19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Services = "C:\\Windows\\405069600303050\\winsvcs.exe" 19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe -
Drops file in Windows directory 3 IoCs
Processes:
19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exedescription ioc process File created C:\Windows\405069600303050\winsvcs.exe 19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe File opened for modification C:\Windows\405069600303050\winsvcs.exe 19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe File opened for modification C:\Windows\405069600303050 19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 2424 3388 WerFault.exe 19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe 4044 1816 WerFault.exe winsvcs.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exedescription pid process target process PID 3388 wrote to memory of 1816 3388 19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe winsvcs.exe PID 3388 wrote to memory of 1816 3388 19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe winsvcs.exe PID 3388 wrote to memory of 1816 3388 19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe winsvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe"C:\Users\Admin\AppData\Local\Temp\19b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\Windows\405069600303050\winsvcs.exeC:\Windows\405069600303050\winsvcs.exe2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 5283⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3388 -s 5602⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3388 -ip 33881⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1816 -ip 18161⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\405069600303050\winsvcs.exeFilesize
558KB
MD50f8c6e70d2847d8b77e33b67da163170
SHA1d9b9965cf6d6615b3195000a6b6c26e324227bed
SHA25619b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2
SHA512ebf0721ff989f62acf3550668fd9e8376a1eb4edeadc8d1b26a4755f3abc13dcf6a20c80fed3c382cc5d88c39d4a0396d61978430bb99a6bd36d3cda84232d3a
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C:\Windows\405069600303050\winsvcs.exeFilesize
558KB
MD50f8c6e70d2847d8b77e33b67da163170
SHA1d9b9965cf6d6615b3195000a6b6c26e324227bed
SHA25619b030e293a658f9588825f60ab4cb24b6e27d80a4587a0600cc65bcf10458e2
SHA512ebf0721ff989f62acf3550668fd9e8376a1eb4edeadc8d1b26a4755f3abc13dcf6a20c80fed3c382cc5d88c39d4a0396d61978430bb99a6bd36d3cda84232d3a
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memory/1816-134-0x0000000000000000-mapping.dmp
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memory/1816-138-0x0000000000613000-0x0000000000618000-memory.dmpFilesize
20KB
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memory/1816-139-0x0000000000613000-0x0000000000618000-memory.dmpFilesize
20KB
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memory/1816-140-0x0000000000400000-0x0000000000495000-memory.dmpFilesize
596KB
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memory/1816-142-0x0000000000400000-0x0000000000495000-memory.dmpFilesize
596KB
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memory/3388-130-0x0000000000400000-0x0000000000495000-memory.dmpFilesize
596KB
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memory/3388-131-0x00000000007F3000-0x00000000007F8000-memory.dmpFilesize
20KB
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memory/3388-132-0x00000000007F3000-0x00000000007F8000-memory.dmpFilesize
20KB
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memory/3388-133-0x0000000000400000-0x0000000000495000-memory.dmpFilesize
596KB
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memory/3388-141-0x0000000000400000-0x0000000000495000-memory.dmpFilesize
596KB