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
    09-01-2025 00:34

General

  • Target

    releaseY-QtlAwOOc5C3.zip

  • Size

    433KB

  • MD5

    012a3509bf8c2adba9ae9f2632588dae

  • SHA1

    b783ed022e5867b2783d8246bb75d72fbd742c40

  • SHA256

    06813a3120a1101ad5c8299e3b01a513079434f86ad1f65998b20f09be5916a4

  • SHA512

    cbebda8c3b89bd4301a2c0690346d46ee2e5945b9ccb65458d5b0967bff8166dadf37f72e1f2365a2c9290f8a740f09b96d447e1f745d2f7dd68d926b20095fb

  • SSDEEP

    12288:JHRzwDAq96isMObZVw9oHqGO+CcdCq3Qq3d77UAFm:v8kqQ3dF6IqG3DCq3Qkdfe

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

https://fastysticke.sbs/api

Extracted

Family

lumma

C2

https://fastysticke.sbs/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Executes dropped EXE 2 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 4 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\releaseY-QtlAwOOc5C3.zip"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\7zOC59CD127\README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2696
    • C:\Users\Admin\AppData\Local\Temp\7zOC5932517\Bootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOC5932517\Bootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2380
    • C:\Users\Admin\AppData\Local\Temp\7zOC59BB4E7\Bootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOC59BB4E7\Bootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zOC5932517\Bootstrapper.exe

    Filesize

    433KB

    MD5

    06df2d8856061d6aa4ba9d863001f1d4

    SHA1

    29ae732c1d0028edaf3714db978f6aa64c0078ce

    SHA256

    5cbaeb69aadf0ec12594be1961a51dbfc9d7831acafaadd89ebac7bbb22c1f6d

    SHA512

    bf3b0c498b5301db4d23ec2136a22455effbcb2a50fe462e02d48fec271b3f2155f4354c30fc8588aefb8142796ef3f9f0172e6b5f62bf5bc854e98ad9484c84

  • C:\Users\Admin\AppData\Local\Temp\7zOC59CD127\README.txt

    Filesize

    124B

    MD5

    3b4bb14e17a60137e3e93c7adac41bcb

    SHA1

    de09ed28df13d9325e816d0c656582a929077876

    SHA256

    bde691c014e6a2527d5ef783d065edf14bcfe83b20c1ff97c22d280633b5287e

    SHA512

    ec76f39b6ab4c6f822a1777c78212d659d86760458da9f050fba48bef12cba054573f25fc96278b49cdb163bed41a157123c01d3897226584cd1b57a653dfb50

  • C:\Users\Admin\AppData\Local\Temp\Cab62CB.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar62DD.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/812-66-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB

  • memory/2380-51-0x0000000000400000-0x00000000004D8000-memory.dmp

    Filesize

    864KB