Resubmissions

05-07-2024 21:17

240705-z44teswcml 10

Analysis

  • max time kernel
    61s
  • max time network
    18s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05-07-2024 21:17

General

  • Target

    ElectricLauncher/ElectricLauncher.exe

  • Size

    1.5MB

  • MD5

    23531339397ea4fa14b3f7c86d0888d4

  • SHA1

    ea21b3cc32b2db572e1e2db505e37eff638dbaff

  • SHA256

    e4a0012a10fb49458a5bce7bcad0599db718a8b7eb0a81ff2d2f5a9ed76095c8

  • SHA512

    eccf9a833ef38adc4cdb6b1ef386a657e77d1fe5a75158219d1bc5691c0bf1d810a6e4b1c0b2b7038746fa056734fb8dc70e02fe15a43e7e6c0571c217d2ae45

  • SSDEEP

    24576:pzvL9lA/NfgTPXI23bggcdOOUxod72WNJa3Bu1OIQOxv3QdzPhzEEKE+Fch+ho4V:FxlA/1gvggcbnHJHVO9YEKE+F/o4iy

Score
10/10

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1255766296683876383/EUXvJL_7dggU_gWIv-zQwVmHyKiIXk4zB39svWUzwwxBLiTXWwgrnqxcuZtKxwPsc6sF

Signatures

  • Detect Umbral payload 2 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 47 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ElectricLauncher\ElectricLauncher.exe
    "C:\Users\Admin\AppData\Local\Temp\ElectricLauncher\ElectricLauncher.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Windows\SysWOW64\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3192
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:352
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4276

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1616-0-0x0000000001360000-0x00000000017C2000-memory.dmp

      Filesize

      4.4MB

    • memory/1616-1-0x0000000000940000-0x0000000000941000-memory.dmp

      Filesize

      4KB

    • memory/1616-2-0x0000000001360000-0x00000000017C2000-memory.dmp

      Filesize

      4.4MB

    • memory/1616-3-0x0000000072ECE000-0x0000000072ECF000-memory.dmp

      Filesize

      4KB

    • memory/1616-4-0x0000000001360000-0x00000000017C2000-memory.dmp

      Filesize

      4.4MB

    • memory/1616-5-0x0000000007B00000-0x0000000007B92000-memory.dmp

      Filesize

      584KB

    • memory/1616-6-0x00000000080A0000-0x000000000859E000-memory.dmp

      Filesize

      5.0MB

    • memory/1616-7-0x0000000072EC0000-0x00000000735AE000-memory.dmp

      Filesize

      6.9MB

    • memory/1616-9-0x0000000001360000-0x00000000017C2000-memory.dmp

      Filesize

      4.4MB

    • memory/1616-10-0x0000000072EC0000-0x00000000735AE000-memory.dmp

      Filesize

      6.9MB