c5a44b3d265b10212fe02cc581453d1fe751d30091282e1e2217c73ab196a232 | Triage

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 15:00

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General

Target

msvcp100.dll
Size

411KB
MD5

03e9314004f504a14a61c3d364b62f66
SHA1

0aa3caac24fdf9d9d4c618e2bbf0a063036cd55d
SHA256

a3ba6421991241bea9c8334b62c3088f8f131ab906c3cc52113945d05016a35f
SHA512

2fcff4439d2759d93c57d49b24f28ae89b7698e284e76ac65fe2b50bdefc23a8cc3c83891d671de4e4c0f036cef810856de79ac2b028aa89a895bf35abff8c8d
SSDEEP

12288:iHEqYsrMWIqz473PTiPoH/aGhUgiW6QR7t5qv3Ooc8UHkC2eKq87:iH9YsIWIW4rPTiPofaDv3Ooc8UHkC2e8

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1036	2200	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2356 wrote to memory of 2200	2356	rundll32.exe	28
PID 2200 wrote to memory of 1036	2200	rundll32.exe	29
PID 2200 wrote to memory of 1036	2200	rundll32.exe	29
PID 2200 wrote to memory of 1036	2200	rundll32.exe	29
PID 2200 wrote to memory of 1036	2200	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcp100.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 220
    3⤵
    - Program crash
    PID:1036

Network

MITRE ATT&CK Matrix

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