Analysis

  • max time kernel
    65s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2025, 14:23

General

  • Target

    random.exe

  • Size

    465KB

  • MD5

    8ef91a0832f26ef03ba04fc0503ea6ca

  • SHA1

    5e79b2d9b66df06ae4a161990cd411f255e5b612

  • SHA256

    88be9326e3346393b29458adc255487af80b27397cb51b81998f310e3e5bd581

  • SHA512

    2746f29d1c53075dc5844cc1a85c2139a8168533777bcdab01d81f729ceace438a19aa8e8835171507c544c35a8c9ba8b46e34600e2009cf1c758e53ca82297f

  • SSDEEP

    6144:VKghTpr9EVw+yNv9WBdJz147ZdyNNaTgW1aGSqbZCLnrCpIZl1iatmr5bNLsw6j5:jpryyS5z14+NYUCaEZCbBLzY7sRiCl

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 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\random.exe
    "C:\Users\Admin\AppData\Local\Temp\random.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\random.exe
      "C:\Users\Admin\AppData\Local\Temp\random.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 516
      2⤵
      • Program crash
      PID:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab71D8.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar7229.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2804-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

    Filesize

    4KB

  • memory/2804-1-0x0000000000FD0000-0x000000000104C000-memory.dmp

    Filesize

    496KB

  • memory/2804-49-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/2804-13-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/2936-5-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2936-4-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2936-3-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2936-11-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2936-6-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2936-14-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2936-7-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2936-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2936-12-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB