7cfb539c0522d4b48ce33a2b781b2ad2b4f5edb6be6ea44ad107eaf7de729907 | Triage

Analysis

max time kernel
41s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 09:29

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General

Target

msvcr100.dll
Size

809KB
MD5

df3ca8d16bded6a54977b30e66864d33
SHA1

b7b9349b33230c5b80886f5c1f0a42848661c883
SHA256

1d1a1ae540ba132f998d60d3622f0297b6e86ae399332c3b47462d7c0f560a36
SHA512

951b2f67c2f2ef1cfcd4b43bd3ee0e486cdba7d04b4ea7259df0e4b3112e360aefb8dcd058becccacd99aca7f56d4f9bd211075bd16b28c2661d562e50b423f0
SSDEEP

12288:3gzGPEett9Mw9HfBCddjMb2NQVmTW752fmyyKWeHQGokozS:QzJetPMw9HfBCrMb2Kc6ymyyKWewGzUS

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1640	832	WerFault.exe	26

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 1640	832	rundll32.exe	27
PID 832 wrote to memory of 1640	832	rundll32.exe	27
PID 832 wrote to memory of 1640	832	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcr100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 832 -s 84
  2⤵
  - Program crash
  PID:1640

Network

MITRE ATT&CK Matrix

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