Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/01/2025, 19:40

General

  • Target

    Installer.exe

  • Size

    534KB

  • MD5

    3e0425febb1dab14a9c10b27bbba983a

  • SHA1

    95c4e5e0434161282e2c814910c7d31078c07ad7

  • SHA256

    76329179e59265943bcded2afa641b2ab7991cb46ec56aaa6338d4ab455c4098

  • SHA512

    0414066a1d1e66db4e0c713679ba18b868a75652a2a415e1a7af5fc4bede762a3c33f7112d1f9fb67c78b2af533d51c3a3b7b2fe8cc54918b1049d6b8d2696c3

  • SSDEEP

    12288:CZkEb6EcwNbyvi1bWSKAMZpGiac5D3YM8hOe96NMyuhVbN6G:AbyvmWSKADiaA3YjEe96NM5Vh

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://toppyneedus.biz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Users\Admin\AppData\Local\Temp\Installer.exe
      "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2356
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 520
      2⤵
      • Program crash
      PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabCCA4.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarCCC6.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1328-0-0x000000007410E000-0x000000007410F000-memory.dmp

    Filesize

    4KB

  • memory/1328-1-0x0000000001280000-0x000000000130E000-memory.dmp

    Filesize

    568KB

  • memory/1328-85-0x0000000074100000-0x00000000747EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1328-13-0x0000000074100000-0x00000000747EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-6-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2356-4-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2356-11-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2356-3-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2356-14-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2356-7-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2356-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2356-5-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2356-12-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB