Resubmissions

02-01-2025 03:26

250102-dzccqa1jb1 10

02-01-2025 03:25

250102-dywd7s1jat 10

Analysis

  • max time kernel
    92s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 03:26

General

  • Target

    Delta.exe

  • Size

    687KB

  • MD5

    7ec34df0a7309de040f3d8377c8b9624

  • SHA1

    6d94948fcd2473ecc1cc9566f7bbf0904dcfdd17

  • SHA256

    5b22523ae17968cddb6c6c0c580beec2c79d17e7f263370fb09a8970faee1176

  • SHA512

    dbafd9e62c18962f4e4b2e2ac2d3551327f30dac3f23653dfd4e548025d694a02c3ee4b752ffb76ebf4110e06647e7a4506b3307778db6f4d676d797981c9524

  • SSDEEP

    12288:ywTw2cEBlpO0c4WrkJ724yJFJ+lLYg61IOP7tCZwD0diL84AKMFT+23cePtf930l:Pw2cEBlpOkh524yJFAlLGIOzsW0kL8b3

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://fancywaxxers.shop/api

Extracted

Family

lumma

C2

https://fancywaxxers.shop/api

https://abruptyopsn.shop/api

https://wholersorie.shop/api

https://framekgirus.shop/api

https://tirepublicerj.shop/api

https://noisycuttej.shop/api

https://rabidcowse.shop/api

https://cloudewahsj.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Loads dropped DLL 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Delta.exe
    "C:\Users\Admin\AppData\Local\Temp\Delta.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1028
      2⤵
      • Program crash
      PID:4284
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2960 -ip 2960
    1⤵
      PID:3664

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\gdi32.dll

      Filesize

      428KB

      MD5

      9322e3bdd1e2f0595164f0da0b61c268

      SHA1

      ab93fd6515fb0aa78b61477c8acb59ac2adf9438

      SHA256

      93464247ecced5e02ed5d06e643116744602924321510ffaef159f99d7cb5b03

      SHA512

      e5180992c1d8ba7b3359eb12432aac611246b87ad3dc56d8c204d0a8fb7308f306fcd4946ed93dc225d18fd218f1cdb643db74aec4e52274f5f43cc662e5fde4

    • memory/2960-0-0x000000007455E000-0x000000007455F000-memory.dmp

      Filesize

      4KB

    • memory/2960-1-0x0000000000210000-0x00000000002C4000-memory.dmp

      Filesize

      720KB

    • memory/2960-2-0x0000000000A50000-0x0000000000A56000-memory.dmp

      Filesize

      24KB

    • memory/2960-8-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/2960-18-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/2960-19-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/3276-17-0x00000000006F0000-0x0000000000755000-memory.dmp

      Filesize

      404KB

    • memory/3276-14-0x00000000006F0000-0x0000000000755000-memory.dmp

      Filesize

      404KB

    • memory/3276-10-0x00000000006F0000-0x0000000000755000-memory.dmp

      Filesize

      404KB