Analysis

  • max time kernel
    133s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21/10/2024, 13:41

General

  • Target
    -(1885)[email protected]
  • Size 72.3MB
  • Sample241021-qzdl1awbme
  • SHA256 70ecfdcd8667bc24ade095f8c9c0d562be1bf31dc8851977a49773b316d83bfd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://snailyeductyi.sbs

  • https://ferrycheatyk.sbs

  • https://deepymouthi.sbs

  • https://wrigglesight.sbs

  • https://captaitwik.sbs

  • https://sidercotay.sbs

  • https://heroicmint.sbs

  • https://monstourtu.sbs

Signatures

  • Lumma Stealer, LummaC

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

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 54 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\-(1885)[email protected]"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4616
  • C:\Users\Admin\Desktop\installer.exe
    "C:\Users\Admin\Desktop\installer.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Users\Admin\Desktop\installer.exe
      "C:\Users\Admin\Desktop\installer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 248
      2⤵
      • Program crash
      PID:2100
  • C:\Users\Admin\Desktop\installer.exe
    "C:\Users\Admin\Desktop\installer.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Users\Admin\Desktop\installer.exe
      "C:\Users\Admin\Desktop\installer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 216
      2⤵
      • Program crash
      PID:4700
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\StopExpand.xht
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2476 CREDAT:82945 /prefetch:2
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:4236

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 4KB
        • SHA256 9cf94355051bf0f4a45724ca20d1cc02f76371b963ab7d1e38bd8997737b13d8
        • MD5 SHA1 SHA512 SSDEEP

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 471B
        • SHA256 827c003c6df276ce196f529c9eec8e8e9432a77d7fbf305bf4610b958ab0cc62
        • MD5 SHA1 SHA512

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 338B
        • SHA256 af0dd13899a905b11683dcd2a29890b5e31bb4de64a4bce084e897ea0ea9eb7f
        • MD5 SHA1 SHA512

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 404B
        • SHA256 07ce8296e3001ae9e3b1d6a3d648d27c44287c16268e9aff605b30884d4e5d92
        • MD5 SHA1 SHA512

        ver5C63.tmp

        • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver5C63.tmp
        • Size 15KB
        • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
        • MD5 SHA1 SHA512 SSDEEP

        suggestions[1].en-US

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\V28C7N3J\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP

        8F548OR5.cookie

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\8F548OR5.cookie
        • Size 545B
        • SHA256 7ce2216dca140d967ee4387a2a4f0ff79fdb8c7458c71d71c009c672264d3463
        • MD5 SHA1 SHA512

        -Password-1885.txt

        • Path C:\Users\Admin\Desktop\-Password-1885.txt
        • Size 1KB
        • SHA256 94d6b7f986fa5a4429c1e91bcd3dd44de9903dd330117a1c89a2ab2d57f7749c
        • MD5 SHA1 SHA512

        installer.exe

        • Path C:\Users\Admin\Desktop\installer.exe
        • Size 550KB
        • SHA256 644b45fa0d076c6a9cfe6a966948085aefadc31ed454fee09cf583b41c7e92eb
        • MD5 SHA1 SHA512 SSDEEP

        memory/1428-12-0x0000000000F20000-0x0000000000F22000-memory.dmp

        memory/4756-17-0x0000000000EA0000-0x0000000000F2D000-memory.dmp

        memory/4756-16-0x0000000000400000-0x0000000000461000-memory.dmp

        memory/4756-13-0x0000000000400000-0x0000000000461000-memory.dmp