Analysis

  • max time kernel
    104s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 19:51

General

  • Target

    d91a80a2583d968b1a47c3c0a903b8e0N.dll

  • Size

    581KB

  • MD5

    d91a80a2583d968b1a47c3c0a903b8e0

  • SHA1

    f0d7b332e9bfc601e702025ac1be0a78c86f86fc

  • SHA256

    c5151ecfe315254b3651d045a02be27de023c70d8d4ee5ace6c92eff57fa3ef5

  • SHA512

    8becb383dd67602466002f6debd19b02ef8099d0e4a38fd785cd41bc2fd67f7bc79a1a019f74d72b2631cf56a59f6ed0a15a0808deb9be54baeeb8b4df5e8c1b

  • SSDEEP

    12288:pSxO3+BKwSQ5FlF9KOTUl1CXz/srGI+LDHb+JT2dr:pSg3+BKwSQ5F/wfAMGIbad

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://muggudrowiwm.shop/api

https://condedqpwqm.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 3 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 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d91a80a2583d968b1a47c3c0a903b8e0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d91a80a2583d968b1a47c3c0a903b8e0N.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2272
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 1168
          4⤵
          • Program crash
          PID:732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 1156
          4⤵
          • Program crash
          PID:828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 1156
          4⤵
          • Program crash
          PID:924
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2272 -ip 2272
    1⤵
      PID:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2272 -ip 2272
      1⤵
        PID:2788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2272 -ip 2272
        1⤵
          PID:1704

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/2272-2-0x0000000000400000-0x000000000045A000-memory.dmp

                Filesize

                360KB

              • memory/2272-4-0x0000000000400000-0x000000000045A000-memory.dmp

                Filesize

                360KB

              • memory/2272-5-0x0000000000400000-0x000000000045A000-memory.dmp

                Filesize

                360KB

              • memory/2272-6-0x0000000000400000-0x000000000045A000-memory.dmp

                Filesize

                360KB

              • memory/2464-1-0x0000000077571000-0x0000000077691000-memory.dmp

                Filesize

                1.1MB