Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/10/2024, 08:59

General

  • Target

    5d80925d347d433ceecd6fec3cce8c7c8afd85aa33e5f0e5b4531fd1fd83fd82N.exe

  • Size

    1.3MB

  • MD5

    cd3d40b3cda1e3a980dd32db1eb8f5e0

  • SHA1

    366b0586a6115228a1620ac61cdbe048a6c928bd

  • SHA256

    5d80925d347d433ceecd6fec3cce8c7c8afd85aa33e5f0e5b4531fd1fd83fd82

  • SHA512

    842e45af97ea875f298c4e5b9c0cd5b12e341cba217a52c64c0b9256cfa988368f35834b981d0c65a554c2786280b9a278f830fd9a41ec1fadbbed9633c3eaf5

  • SSDEEP

    12288:XQPaf6T+hHhbL/njdfcvbECyZxmrcx8YQZ:XU06T+hxPtczYIrWA

Malware Config

Extracted

Family

lumma

C2

https://drawwyobstacw.sbs

https://condifendteu.sbs

https://ehticsprocw.sbs

https://vennurviot.sbs

https://resinedyw.sbs

https://enlargkiw.sbs

https://allocatinow.sbs

https://mathcucom.sbs

https://widdensmoywi.sbs

Signatures

  • Lumma Stealer, LummaC

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

  • 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.

  • Program crash 1 IoCs
  • 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.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d80925d347d433ceecd6fec3cce8c7c8afd85aa33e5f0e5b4531fd1fd83fd82N.exe
    "C:\Users\Admin\AppData\Local\Temp\5d80925d347d433ceecd6fec3cce8c7c8afd85aa33e5f0e5b4531fd1fd83fd82N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\5d80925d347d433ceecd6fec3cce8c7c8afd85aa33e5f0e5b4531fd1fd83fd82N.exe
      "C:\Users\Admin\AppData\Local\Temp\5d80925d347d433ceecd6fec3cce8c7c8afd85aa33e5f0e5b4531fd1fd83fd82N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:2788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 56
      2⤵
      • Program crash
      PID:2936

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Cab254E.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar2570.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • memory/2688-0-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

          Filesize

          4KB

        • memory/2788-11-0x0000000000C70000-0x0000000000DB5000-memory.dmp

          Filesize

          1.3MB

        • memory/2788-10-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2788-8-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2788-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2788-5-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2788-4-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2788-3-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2788-2-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2788-1-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB