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
    22-11-2024 02:50

General

  • Target

    99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe

  • Size

    570KB

  • MD5

    be296f642f22606caed21cac4d61f2fa

  • SHA1

    cd4c46055e6b2a08885e5a122c6d3434c5a90078

  • SHA256

    99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e

  • SHA512

    792e92bb9e4bb54067a7fc5b330c708682c8a19493207fbf1ecdc61f419956ddf2d01b2ab1480a13a9663449a4dd43f0c382d3710757f3a7571075e86546e3cd

  • SSDEEP

    12288:ro3gygylSwAN2kLkhn23cn4Ss73MF1Oa73V11tFBP33yeLdlr7v:U3gygnN2kLktscnAQp3VLBKePr7v

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://fumblingactor.cyou/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
  • 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 use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
    "C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe
      "C:\Users\Admin\AppData\Local\Temp\99cdeb79c7450c81bc30dac491e533eb0eda8a5c189494a78448aaa211c6275e.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA621.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA633.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2784-0-0x0000000000DAD000-0x0000000000DAE000-memory.dmp

    Filesize

    4KB

  • memory/2880-11-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2880-4-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2880-9-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2880-3-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2880-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2880-6-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2880-5-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2880-12-0x0000000000D70000-0x0000000000E00000-memory.dmp

    Filesize

    576KB

  • memory/2880-2-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2880-1-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB