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Analysis

  • max time kernel
    33s
  • max time network
    35s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 07:18

General

  • Target

    Installer/Installer.exe

  • Size

    3.7MB

  • MD5

    640236b179a4c7c40776a6a252f95b1a

  • SHA1

    f9b1ded41de3df7d7b736d15b6944f37c432549e

  • SHA256

    a0f93aca0dc6a1122b85893383c6ab1ee25a6f2c2a0d86cb419cc2c68e27243b

  • SHA512

    b5e7e05bc68ecba0917db7e28583dc5486e3cec9909bfc1be51fad3c38f7b9b82bf56389512313154b0dd02d7a7fe2c4cd1984a219eecd7e6f3aec9c3618ec5d

  • SSDEEP

    49152:8cnd825pb/8zDoGH2VdjrTURpKes/43A2mVn33usLMS:8X2H7ERCjrTgpKes43A2mR33/gS

Score
10/10

Malware Config

Extracted

Family

lumma

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Installer\Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Installer\Installer.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Roaming\msvcp110.dll,GetGameData
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4628
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Roaming\msvcp110.dll,GetGameData
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2096
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\msvcp110.dll

    Filesize

    572KB

    MD5

    66415b5c83f033ece5b0c2998a85955c

    SHA1

    2f97a1aaec83f6184be73eda0c7c8ee9ecdbb5d4

    SHA256

    659dbed3d2527701515c0f22d95bda9e0bec1353bf1e9ae34858a8f00b84e4b2

    SHA512

    26196286e3e74263988b66790baaad4bda0e505316a930400cc8c522865f1af9e49e1042011dff18783dacad42ade6377c7f9866367a89aa9ddbab463e3cda85

  • memory/1616-6-0x00000000775E1000-0x0000000077701000-memory.dmp

    Filesize

    1.1MB

  • memory/2796-10-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2796-12-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2796-13-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/2796-14-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB