Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10/08/2024, 16:35

General

  • Target

    7H8but7H6QRKvukmMR4kRGgs.exe

  • Size

    7.2MB

  • MD5

    c096091896176545bc3aac5adb5f7aad

  • SHA1

    d545971a44c2615f6e93e1e77fddd950a6ee773c

  • SHA256

    b57280ff29b1bae4436d9f87cb929b1507831d2c91021945da5a66a001f58dfd

  • SHA512

    231686d0678049c69eff7106a1a9d02b3321e209237eb777618bfa8403764f3464105b177a5d9bb3872b85fdfe2ea9affd631b925eb2552f0cba0443670ca3d8

  • SSDEEP

    196608:PpyjvqOnGGXy+jPww/99k2xLjrvWAeD6HKM9wG:Pp09nGGt8w/99xxLj3eD6rwG

Score
10/10

Malware Config

Extracted

Family

lumma

Extracted

Family

lumma

C2

https://tenntysjuxmz.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7H8but7H6QRKvukmMR4kRGgs.exe
    "C:\Users\Admin\AppData\Local\Temp\7H8but7H6QRKvukmMR4kRGgs.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2472
    • C:\Users\Admin\AppData\Local\Temp\Installer.exe
      "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:2304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD06B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarD08D.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\Installer.exe

    Filesize

    5.9MB

    MD5

    817f44286b0459791c466a16d876420a

    SHA1

    de11b9291864275c58eb1f995a93f8c08a450de3

    SHA256

    1dad07d6bfa9ecefe480b3dcb5f4d333e5ebb6b612cd370061cf6a8507b32564

    SHA512

    762973ac4f96c91dd355797b2008dbc8c95702714e6678b7656533325d39497c154111b14316f221d6589325a011941a5ae9cdf3b55613e716df00b642a05a06

  • memory/2304-67-0x0000000000270000-0x00000000002C1000-memory.dmp

    Filesize

    324KB

  • memory/2304-69-0x0000000000270000-0x00000000002C1000-memory.dmp

    Filesize

    324KB