3de1fb0d1108907fd61d6d6b9a4c6b856af509e0af35578f158cfce5d634fe07 | Triage

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220331-en
submitted
12-04-2022 09:32

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General

Target

msvcp140.dll
Size

429KB
MD5

109f0f02fd37c84bfc7508d4227d7ed5
SHA1

ef7420141bb15ac334d3964082361a460bfdb975
SHA256

334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA512

46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

304 1268 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1204 wrote to memory of 1268	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1268	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1268	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1268	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1268	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1268	1204	rundll32.exe	rundll32.exe
PID 1204 wrote to memory of 1268	1204	rundll32.exe	rundll32.exe
PID 1268 wrote to memory of 304	1268	rundll32.exe	WerFault.exe
PID 1268 wrote to memory of 304	1268	rundll32.exe	WerFault.exe
PID 1268 wrote to memory of 304	1268	rundll32.exe	WerFault.exe
PID 1268 wrote to memory of 304	1268	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp140.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 224
3⤵
- Program crash
PID:304

Network

MITRE ATT&CK Matrix

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Downloads

memory/304-56-0x0000000000000000-mapping.dmp

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memory/1268-54-0x0000000000000000-mapping.dmp

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memory/1268-55-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

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