Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 12:45

General

  • Target

    e11c9223741b2d1291f1031539da3dd183ce2ac4b2de705d92366c6f61d94aa5.exe

  • Size

    781KB

  • MD5

    443f4cf9f362a96bbd0845ba6d2859f0

  • SHA1

    1bf75dea31eaf0c26da3428ae2b8518771989522

  • SHA256

    e11c9223741b2d1291f1031539da3dd183ce2ac4b2de705d92366c6f61d94aa5

  • SHA512

    f43bf238027dacc972e98caff32461c680aefe1197be827348bb8bd371f85456352fbebf5bffa2381f6496466da2acef549c01c4e06c8d52727539196755db9a

  • SSDEEP

    24576:ErtEhokkSG46ZY4vaIAaCzxZY4vaIAaCzs:ErGhokkSG4kdCzvdCzs

Malware Config

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

lumma

C2

https://tacitglibbr.biz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e11c9223741b2d1291f1031539da3dd183ce2ac4b2de705d92366c6f61d94aa5.exe
    "C:\Users\Admin\AppData\Local\Temp\e11c9223741b2d1291f1031539da3dd183ce2ac4b2de705d92366c6f61d94aa5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\Users\Admin\AppData\Local\Temp\e11c9223741b2d1291f1031539da3dd183ce2ac4b2de705d92366c6f61d94aa5.exe
      "C:\Users\Admin\AppData\Local\Temp\e11c9223741b2d1291f1031539da3dd183ce2ac4b2de705d92366c6f61d94aa5.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/264-1-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/264-3-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/264-4-0x0000000000F00000-0x0000000000FCA000-memory.dmp

    Filesize

    808KB

  • memory/3896-0-0x0000000000F32000-0x0000000000F33000-memory.dmp

    Filesize

    4KB