Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250619-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/06/2025, 18:36

General

  • Target

    b160b4c3a6168bf4c24c31e783c23de83d8c34f3fe9851a16db4be136b082b20.exe

  • Size

    3.7MB

  • MD5

    fb1d4ddf44a39a17be2f09f74ffcb98c

  • SHA1

    d5af0f2e65aed089364972d5ad38282fe33b6917

  • SHA256

    b160b4c3a6168bf4c24c31e783c23de83d8c34f3fe9851a16db4be136b082b20

  • SHA512

    3caa6ba83f77dd002f7cb6483e9c4bbc54698825ec0db4a116e9f81f184581d1bcf14165fa74bc16f901fdf4b49c51e252e1450a9636906515fa29e0563c261c

  • SSDEEP

    98304:VTvggVssYOXwnS4rVGpYOXwnS4rVdmRUcf:ZY4sBI0Icc

Malware Config

Signatures

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

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

  • 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 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.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3436
      • C:\Users\Admin\AppData\Local\Temp\b160b4c3a6168bf4c24c31e783c23de83d8c34f3fe9851a16db4be136b082b20.exe
        "C:\Users\Admin\AppData\Local\Temp\b160b4c3a6168bf4c24c31e783c23de83d8c34f3fe9851a16db4be136b082b20.exe"
        2⤵
        • Drops startup file
        • 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:5292
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:368
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1748
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4752
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4772

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          • C:\Program Files\dotnet\dotnet.exe

            Filesize

            3.8MB

            MD5

            c6ce7726445815a6ccce079ee4456b9d

            SHA1

            397ce0f248cafae044aaf87e8754f588963b9f0c

            SHA256

            a4cfac49bcd63a6a8895c3daa66e43023f358d3eb0df8efac3ad8760e395876d

            SHA512

            49fd08fbf973a2e57d0cf5918f4705b56d8d08606acc2d759b995b916e31aa0d7f981c407d031f6c85d9c3b6d5af6e5bc5d6f83a9786668c470e2eac50c95f12

          • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

            Filesize

            4.1MB

            MD5

            59f8e3732c96f8e0b029acd1fa91340a

            SHA1

            57eb1bb45cb7d01b16bf43b886ef4d931b4d5570

            SHA256

            c0db8fc9393d3b3b13835bbec9238c957e1480cec7bd43d03857a550095b2392

            SHA512

            0389c4ba86b3b39d01075097f48393a1aca354a336cae87f7f3130161f3251816f4d47cd334e4ef2d5e10710b7a48a3717fb2bc836703a2e1ed9f095347079f5

          • F:\$RECYCLE.BIN\S-1-5-21-4144907350-1836498122-2806216936-1000\_desktop.ini

            Filesize

            9B

            MD5

            8d5d367ed8a2afc1fc0b8fc7d14da98c

            SHA1

            fddfad39cd8b448d0d3dbb6e9c67752999568783

            SHA256

            93740c0db50f557803e16032194380e92e586f9cd845c4543eae2c3aa97d95f6

            SHA512

            3215518f650fe697fa80054e2e7e98a55a23832309347704985d502ecf46726048291ace0a619b669726fda404c9235047a21563971a238864ee3523f5bbe96b

          • memory/5292-0-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/5292-3-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB