Analysis

  • max time kernel
    239s
  • max time network
    308s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 01:33

General

  • Target

    temka.dll

  • Size

    170KB

  • MD5

    9635c0b506de97b5aa38ec70edeb47a4

  • SHA1

    f7544a9ecc2383d92fef086dd6c4a9acc2ce4d8f

  • SHA256

    a23e5988987b35ac0faa6d36e45204879a9d8094cb59e2e0ec6d3dc24164984f

  • SHA512

    249b811a944001d9ce08dc8f366d5ca7754c76189ddebb0707410ae70340f240510258489544d21b4b82970e400048ad80cc37f24445dded8980e2042ad8e948

  • SSDEEP

    3072:En8ZQUV0egZZOTUj93VuHziZMd86ZvsOvwI8Pjne6ra9KB/BjTwA7Ev3Pv9:E9UV0egeTw9344I86ZvsODseM/Ba3v9

Score
10/10

Malware Config

Signatures

  • Detect Lumma Stealer payload V4 1 IoCs
  • Lumma Stealer

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\temka.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\temka.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 868
        3⤵
        • Program crash
        PID:1956
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3532 -ip 3532
    1⤵
      PID:3932

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/3532-1-0x0000000001540000-0x0000000001541000-memory.dmp
      Filesize

      4KB

    • memory/3532-2-0x0000000074AA0000-0x0000000074ACF000-memory.dmp
      Filesize

      188KB