Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-07-2024 12:52

General

  • Target

    creaminstaller.exe

  • Size

    517KB

  • MD5

    ff6ebaba7de1e99d37206afc9f9281e7

  • SHA1

    c1f7bfb48bc6ff019ae697a9a724e821cb0b2624

  • SHA256

    0d58b7e445ac81c5000f1fc82566974158440aeabd57b2b16080659386ea64f8

  • SHA512

    22dd0ef1411ce92347f0fc055b2f869d33d7f058622228cbca5833b55ce7a3bcf5b3c25ad9cbbe859cb634a0e5bd5c884fc1e96f0f17cad55c2372109094141f

  • SSDEEP

    12288:KYAHs+2jwV5HLhhzAEeSZ3U7gOsIqvjM8gUnRfYpr0JP/trch:KYpVjUrfAEeSK71sJM8DBzc

Malware Config

Extracted

Family

lumma

C2

https://bitchsafettyudjwu.shop/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\creaminstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\creaminstaller.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 308
      2⤵
      • Program crash
      PID:4756
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2944 -ip 2944
    1⤵
      PID:3552
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4496

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2040-1-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/2040-3-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/2040-4-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/2040-5-0x0000000000400000-0x0000000000456000-memory.dmp

        Filesize

        344KB

      • memory/2944-0-0x0000000000D10000-0x0000000000D11000-memory.dmp

        Filesize

        4KB