Overview

overview

7

Static

static

3

49f91d6dda...b1.exe

windows10-2004-x64

7

49f91d6dda...b1.exe

windows11-21h2-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/07/2025, 03:14

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General

  • Target
    49f91d6dda7f43e57fe74e90db7ed13626c73dc9c003f686c5c75c1ee1b7c7b1.exe
  • Size 3.9MB
  • Sample250702-drllessls9
  • SHA256 49f91d6dda7f43e57fe74e90db7ed13626c73dc9c003f686c5c75c1ee1b7c7b1
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
discoveryspywarestealer

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

    discovery
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3248
      • C:\Users\Admin\AppData\Local\Temp\49f91d6dda7f43e57fe74e90db7ed13626c73dc9c003f686c5c75c1ee1b7c7b1.exe
        "C:\Users\Admin\AppData\Local\Temp\49f91d6dda7f43e57fe74e90db7ed13626c73dc9c003f686c5c75c1ee1b7c7b1.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3228
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2356
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3140
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8FEC.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3544
          • C:\Users\Admin\AppData\Local\Temp\49f91d6dda7f43e57fe74e90db7ed13626c73dc9c003f686c5c75c1ee1b7c7b1.exe
            "C:\Users\Admin\AppData\Local\Temp\49f91d6dda7f43e57fe74e90db7ed13626c73dc9c003f686c5c75c1ee1b7c7b1.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1788
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • 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:3712
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3416
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2076
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3392
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2936

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          MicrosoftEdgeUpdateBroker.exe
          • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe
          • Size 132KB
          • SHA256 072998fc91c82a2fc6b7a1f1adff760888237c3461b8aa8a8ac0da0baceaa10a
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          7z.exe
          • Path C:\Program Files\7-Zip\7z.exe
          • Size 582KB
          • SHA256 776146df837591107dffadff8eccd396f3cf5eda4a0c95d6da64d079c2c0c50e
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          vcredist_x86.exe
          • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
          • Size 488KB
          • SHA256 99750acff09f51ecc7a0d7ce91e67e855e8602b6e8059ade2c177a52f27f74e7
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          $$a8FEC.bat
          • Path C:\Users\Admin\AppData\Local\Temp\$$a8FEC.bat
          • Size 722B
          • SHA256 3828f1b881fd67575f82d3ed7eb4751721a8c3136d8741cfa0bfc421a49c75ac
          • MD5 SHA1 SHA512
          Submit Download

          49f91d6dda7f43e57fe74e90db7ed13626c73dc9c003f686c5c75c1ee1b7c7b1.exe.exe
          • Path C:\Users\Admin\AppData\Local\Temp\49f91d6dda7f43e57fe74e90db7ed13626c73dc9c003f686c5c75c1ee1b7c7b1.exe.exe
          • Size 3.9MB
          • SHA256 351401fe9f25aae994b9b295113b5cd84588a0cd7de76bbeb30d52b8b8c3f2b1
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Logo1_.exe
          • Path C:\Windows\Logo1_.exe
          • Size 33KB
          • SHA256 323a76e2f8a874d2ede069484ba8c70cca7cd77b64a4f377a0e23e5a955c293b
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          _desktop.ini
          • Path F:\$RECYCLE.BIN\S-1-5-21-625765727-1271952295-745797415-1000\_desktop.ini
          • Size 8B
          • SHA256 7ee98acf971e32cae894381122352197a76e04e7689903e61cef63ad4f690736
          • MD5 SHA1 SHA512
          Submit Download

          memory/1788-15-0x00000000026A0000-0x00000000026A1000-memory.dmp
          Download

          memory/1788-22-0x00000000026A0000-0x00000000026A1000-memory.dmp
          Download

          memory/1788-21-0x0000000000400000-0x00000000007EE000-memory.dmp
          Download

          memory/1788-23-0x0000000000400000-0x00000000007EE000-memory.dmp
          Download

          memory/3228-0-0x0000000000400000-0x000000000043F000-memory.dmp
          Download

          memory/3228-11-0x0000000000400000-0x000000000043F000-memory.dmp
          Download

          memory/3712-19-0x0000000000400000-0x000000000043F000-memory.dmp
          Download

          memory/3712-8-0x0000000000400000-0x000000000043F000-memory.dmp
          Download

          memory/3712-1656-0x0000000000400000-0x000000000043F000-memory.dmp
          Download

          memory/3712-9733-0x0000000000400000-0x000000000043F000-memory.dmp
          Download