Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 03:15

General

  • Target

    7383602621a4ac133f6557cf0fc07dcb5bb7e08897b692ae23233824ad5f3481.exe

  • Size

    405KB

  • MD5

    9b72b6920f065c7899ad187c01c88495

  • SHA1

    27badf10721dd1294aa180a658328f4f4cc8f249

  • SHA256

    7383602621a4ac133f6557cf0fc07dcb5bb7e08897b692ae23233824ad5f3481

  • SHA512

    da6bc3a0b8645646b720d99fdaf10c9ab91380976f7890597e4e6a782f21cb47f94ec325ae46fb555effe91c5cb35ce0e5c4f1952a1fec4cb447a4d0738e572e

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7383602621a4ac133f6557cf0fc07dcb5bb7e08897b692ae23233824ad5f3481.exe
    "C:\Users\Admin\AppData\Local\Temp\7383602621a4ac133f6557cf0fc07dcb5bb7e08897b692ae23233824ad5f3481.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\iaglrzc.exe "C:\Users\Admin\AppData\Local\Temp\7383602621a4ac133f6557cf0fc07dcb5bb7e08897b692ae23233824ad5f3481.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:1660
      • C:\Users\Admin\AppData\Local\Temp\iaglrzc.exe
        C:\Users\Admin\AppData\Local\Temp\\iaglrzc.exe "C:\Users\Admin\AppData\Local\Temp\7383602621a4ac133f6557cf0fc07dcb5bb7e08897b692ae23233824ad5f3481.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:456
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\wciov\olxot.dll",Verify C:\Users\Admin\AppData\Local\Temp\iaglrzc.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4728
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3972 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2136

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\wciov\olxot.dll

      Filesize

      228KB

      MD5

      6ac781a4680e4471cd7d9a69fe9cb4e0

      SHA1

      735a5b55cae749030fce17c93015f9983eb8337f

      SHA256

      5950f9014ea85cae272185ac8471cfbd6aca93f0b64fc33119a84350f208ebf2

      SHA512

      cf202883fc90f22de42823464e51c8da6466717f1c4fff1d83fdd812dd54d88a7d0b56c7d7fbc073d8ce05943368be89b0e44ea6093545b6e0edcec9f968b934

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

      Filesize

      405KB

      MD5

      340ce072b7fe872144fa9cc537f09b29

      SHA1

      1dfcac74e9dff2094a735d76fbee858346915e71

      SHA256

      f12f551ae77adc2c935e8b98ab8fe06c5ca0b38e980da5dab8d77c7d2e3437bb

      SHA512

      4d955d96ccefe652e11c3c67da5534ce2f3bcf912d77baa8c5594e84afe6ab296273217ab20ebcc0a74799b53fa78bb73b84d625c3e98e96b092b1789e271ad1

    • memory/456-6-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/456-8-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2144-0-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/2144-2-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4728-11-0x0000000010000000-0x0000000010080000-memory.dmp

      Filesize

      512KB

    • memory/4728-12-0x0000000010000000-0x0000000010080000-memory.dmp

      Filesize

      512KB

    • memory/4728-14-0x0000000010000000-0x0000000010080000-memory.dmp

      Filesize

      512KB