Analysis

  • max time kernel
    65s
  • max time network
    68s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 16:44

General

  • Target

    NShаrk.zip

  • Size

    103.5MB

  • MD5

    5ed8758f546ecd41a7dbe294a5ae14e5

  • SHA1

    f8770a55c828efe15083c695ac6cfe2d7f10278b

  • SHA256

    e88e83193cc7752b3fff67082209bc9c2f40351fd5b24cda09fe170c5335619a

  • SHA512

    c03a6dcca6c0ca3b012ec277cdaa16353840145538642edc9edecf175fa6497b932941e3e5101391a3c5d865c6c67ea03583b462ae59761d9b44a979cb9861ee

  • SSDEEP

    3145728:fNazN7yQdY0ZohO/+IxfZlaOpWI36BCvyicYnEu:1oN7yQC0Zp2IJna4WYvxcLu

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://drawwyobstacw.sbs

https://condifendteu.sbs

https://ehticsprocw.sbs

https://vennurviot.sbs

https://resinedyw.sbs

https://enlargkiw.sbs

https://allocatinow.sbs

https://mathcucom.sbs

https://highawaretemptersudwu.xyz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Executes dropped EXE 2 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\NShаrk.zip"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1708
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3808
    • C:\Users\Admin\AppData\Local\Temp\NShаrk\NShаrk.exe
      "C:\Users\Admin\AppData\Local\Temp\NShаrk\NShаrk.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4464
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:4264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 256
        2⤵
        • Program crash
        PID:424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4464 -ip 4464
      1⤵
        PID:2448
      • C:\Users\Admin\AppData\Local\Temp\NShаrk\F 1X if It dоesn't wоrk\NShаrk F1 x.exe
        "C:\Users\Admin\AppData\Local\Temp\NShаrk\F 1X if It dоesn't wоrk\NShаrk F1 x.exe"
        1⤵
        • Executes dropped EXE
        PID:316

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\NShаrk\F 1X if It dоesn't wоrk\NShаrk F1 x.exe

        Filesize

        29.1MB

        MD5

        152025c926edf53603411541f0f259c0

        SHA1

        0be7af5fc1c37b723e97846acbea794e31300614

        SHA256

        e9d09aee08577c911b177231aa238614dc119adb0a1e73ac148f4bac60eab8be

        SHA512

        e88cb2eeba5c1ff9e7492235810a1b3eb5e959b8056320db92c02e69d7a3ed532f1051e508d64cfd280613dc008409c31b5c3a4e51f92f42eba52d4bab5b7797

      • C:\Users\Admin\AppData\Local\Temp\NShаrk\NShаrk.exe

        Filesize

        550KB

        MD5

        c09a98923a69222bcca1bc1490e1e4fa

        SHA1

        3d3a91f71b1820260145db0c9cf9007d701de398

        SHA256

        47025ae589009308160e1135ba486e9b10bd2e7e237f09f0622056edd83333e0

        SHA512

        44eaf9c1e4ec21f78af1c10ac1610808e985630c7a60ab7aa1305c0ef63511fede812537f918298f0e6660e9090a367386544740050340021dfea3d527899891

      • memory/316-62-0x00007FF7FBA10000-0x00007FF7FD733000-memory.dmp

        Filesize

        29.1MB

      • memory/4264-55-0x0000000000400000-0x0000000000461000-memory.dmp

        Filesize

        388KB

      • memory/4264-57-0x0000000000400000-0x0000000000461000-memory.dmp

        Filesize

        388KB

      • memory/4264-58-0x0000000000400000-0x0000000000461000-memory.dmp

        Filesize

        388KB

      • memory/4264-59-0x0000000000400000-0x0000000000461000-memory.dmp

        Filesize

        388KB

      • memory/4464-54-0x0000000000303000-0x0000000000305000-memory.dmp

        Filesize

        8KB