Analysis

  • max time kernel
    118s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-08-2024 12:33

General

  • Target

    $APPDATA/TotalAV/updates/SAVAPI 8.0.1/aecore.dll

  • Size

    281KB

  • MD5

    3aade81602e5fd66d24b28a8f4d0edf4

  • SHA1

    023193e6b32112153ed8addbbf8c2feb7684d379

  • SHA256

    cef4cf51942dc337a371d3487ee87e9e2e9b2c82a34fa9b81d7beecd9e56810e

  • SHA512

    08cf9bd46da4a231675bbe7716e71dc25326d8b4238cab9be28c04895e86d27ae2430be0b94a7fbe1c61a35c9d39d2c95eea283b254eb776b8ccf655638f3a7e

  • SSDEEP

    3072:hs7523SuHq0Qx10YXQySzjqQPel7k3hGd5WKSGAL9M+OgMTZFXGH2tLg+Vc:hLbHqhx7QhqQPKky5WKSdLOaUz7u

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\$APPDATA\TotalAV\updates\SAVAPI 8.0.1\aecore.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\$APPDATA\TotalAV\updates\SAVAPI 8.0.1\aecore.dll",#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 600
        3⤵
        • Program crash
        PID:224
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1960 -ip 1960
    1⤵
      PID:5072

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads