Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/08/2026, 13:21

General

  • Target
    2026-08-24_527036bb3ae5b9193f1a7a122c8676b2_cobalt-strike_coinminer_elex_stealc_vidar_wannacry.exe
  • Size 770KB
  • Sample260825-ql2rnsyzht
  • SHA256 0e09aa1711f5ca104ada85d9fc0d7dc89174629818b0c9738ba7fac854dd304e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-24_527036bb3ae5b9193f1a7a122c8676b2_cobalt-strike_coinminer_elex_stealc_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-24_527036bb3ae5b9193f1a7a122c8676b2_cobalt-strike_coinminer_elex_stealc_vidar_wannacry.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a1227.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Users\Admin\AppData\Local\Temp\2026-08-24_527036bb3ae5b9193f1a7a122c8676b2_cobalt-strike_coinminer_elex_stealc_vidar_wannacry.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-08-24_527036bb3ae5b9193f1a7a122c8676b2_cobalt-strike_coinminer_elex_stealc_vidar_wannacry.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:4872
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5776
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3360
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1476

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
        • Size 124KB
        • SHA256 586db11b186dee68ed5cd0430353215e262e23b9c7c86bafc02d1b3d785f2c90
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 481KB
        • SHA256 d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a1227.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a1227.bat
        • Size 902B
        • SHA256 01bb432183db37ffb1619d899f66a96c8cef990aedf3853ab432a4ae0c6eb15b
        • MD5 SHA1 SHA512 TLSH

        2026-08-24_527036bb3ae5b9193f1a7a122c8676b2_cobalt-strike_coinminer_elex_stealc_vidar_wannacry.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-24_527036bb3ae5b9193f1a7a122c8676b2_cobalt-strike_coinminer_elex_stealc_vidar_wannacry.exe.exe
        • Size 744KB
        • SHA256 fb57e51fba6c0b7cf5fdba00a9b7d5e1391167d1aabddfeeb095875dc7533bbe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundl132.exe

        • Path C:\Windows\rundl132.exe
        • Size 26KB
        • SHA256 da09620b8384f39cd7acc716c9fd4372bbe8f74ba9e934a534ddc573d1d0b384
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-3611646547-550105268-947503007-1000\_desktop.ini
        • Size 9B
        • SHA256 1962ce70116500adabf0740e812e54bf58d48913f891249fc2b7c8e97bf58d22
        • MD5 SHA1 SHA512

        memory/804-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/804-15-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5776-30-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5776-35-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5776-39-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5776-129-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5776-1246-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5776-22-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5776-5043-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5776-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5776-5516-0x0000000000400000-0x0000000000434000-memory.dmp