ca5837c6b4cdde0e3ef9942ba308ca19e9b51439048bd0c2fcf5753e1403a517 | Triage

Analysis

max time kernel
42s
max time network
53s
platform
windows7_x64
resource
win7-20220812-it
resource tags

arch:x64arch:x86image:win7-20220812-itlocale:it-itos:windows7-x64systemwindows
submitted
06-11-2022 23:04

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General

Target

vcruntime140.dll
Size

78KB
MD5

a37ee36b536409056a86f50e67777dd7
SHA1

1cafa159292aa736fc595fc04e16325b27cd6750
SHA256

8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825
SHA512

3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356
SSDEEP

1536:lw2886xv555et/MCsjw0BuRK3jteo3ecbA2W86b+Ld:lw28V55At/zqw+Iq9ecbA2W8H

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1676	1600	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 1600	656	rundll32.exe	28
PID 656 wrote to memory of 1600	656	rundll32.exe	28
PID 656 wrote to memory of 1600	656	rundll32.exe	28
PID 656 wrote to memory of 1600	656	rundll32.exe	28
PID 656 wrote to memory of 1600	656	rundll32.exe	28
PID 656 wrote to memory of 1600	656	rundll32.exe	28
PID 656 wrote to memory of 1600	656	rundll32.exe	28
PID 1600 wrote to memory of 1676	1600	rundll32.exe	29
PID 1600 wrote to memory of 1676	1600	rundll32.exe	29
PID 1600 wrote to memory of 1676	1600	rundll32.exe	29
PID 1600 wrote to memory of 1676	1600	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 224
    3⤵
    - Program crash
    PID:1676

Network

MITRE ATT&CK Matrix

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Downloads

memory/1600-55-0x00000000758A1000-0x00000000758A3000-memory.dmp

Filesize
8KB

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