Analysis
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max time kernel
172s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
25-06-2022 07:55
Static task
static1
Behavioral task
behavioral1
Sample
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe
Resource
win10v2004-20220414-en
General
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Target
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe
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Size
98KB
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MD5
4ec32104de0ac83c28cbf8ebba215527
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SHA1
9be2c050bc8eef8d6594ce228c859627b3f403d2
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SHA256
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d
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SHA512
914d3497d965b7f4b551b008721da74fc82dcfe19e15b05ab90304522acabed59d928f997645804e7883d302f2adc8c5ae8031157295b00931cad2ea3f95b979
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
wingkhw.exepid process 4300 wingkhw.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update 8675887 = "C:\\Windows\\29328279135810190\\wingkhw.exe" b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update 8675887 = "C:\\Windows\\29328279135810190\\wingkhw.exe" b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe -
Drops file in Windows directory 3 IoCs
Processes:
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exedescription ioc process File opened for modification C:\Windows\29328279135810190 b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe File created C:\Windows\29328279135810190\wingkhw.exe b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe File opened for modification C:\Windows\29328279135810190\wingkhw.exe b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe -
Program crash 8 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 2416 1596 WerFault.exe b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe 2532 4300 WerFault.exe wingkhw.exe 4524 1596 WerFault.exe b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe 3660 4300 WerFault.exe wingkhw.exe 3644 4300 WerFault.exe wingkhw.exe 2568 1596 WerFault.exe b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe 4252 4300 WerFault.exe wingkhw.exe 1348 1596 WerFault.exe b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exedescription pid process target process PID 1596 wrote to memory of 4300 1596 b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe wingkhw.exe PID 1596 wrote to memory of 4300 1596 b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe wingkhw.exe PID 1596 wrote to memory of 4300 1596 b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe wingkhw.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe"C:\Users\Admin\AppData\Local\Temp\b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Windows\29328279135810190\wingkhw.exeC:\Windows\29328279135810190\wingkhw.exe2⤵
- Executes dropped EXE
PID:4300 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 5003⤵
- Program crash
PID:2532 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 6123⤵
- Program crash
PID:3660 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 7283⤵
- Program crash
PID:3644 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 7363⤵
- Program crash
PID:4252 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 5522⤵
- Program crash
PID:2416 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 6602⤵
- Program crash
PID:4524 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 7762⤵
- Program crash
PID:2568 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 7842⤵
- Program crash
PID:1348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1596 -ip 15961⤵PID:1500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4300 -ip 43001⤵PID:1080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4300 -ip 43001⤵PID:4496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 1596 -ip 15961⤵PID:4428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4300 -ip 43001⤵PID:3912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1596 -ip 15961⤵PID:2040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4300 -ip 43001⤵PID:3204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1596 -ip 15961⤵PID:5052
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
98KB
MD54ec32104de0ac83c28cbf8ebba215527
SHA19be2c050bc8eef8d6594ce228c859627b3f403d2
SHA256b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d
SHA512914d3497d965b7f4b551b008721da74fc82dcfe19e15b05ab90304522acabed59d928f997645804e7883d302f2adc8c5ae8031157295b00931cad2ea3f95b979
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Filesize
98KB
MD54ec32104de0ac83c28cbf8ebba215527
SHA19be2c050bc8eef8d6594ce228c859627b3f403d2
SHA256b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d
SHA512914d3497d965b7f4b551b008721da74fc82dcfe19e15b05ab90304522acabed59d928f997645804e7883d302f2adc8c5ae8031157295b00931cad2ea3f95b979