Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 22:00

General

  • Target

    tmp.exe

  • Size

    854KB

  • MD5

    9dab7bdadcab9c6bf91272fb7931787c

  • SHA1

    5f1d9471c50e40cf5279a1fade18b93c1d80839c

  • SHA256

    d3caae4b8590d11875173d4500b553816949c55042ed95c3c0a5327fc8d7e3f5

  • SHA512

    c9565b213b2d872d5032bbc403be4d975d134261c3a82cb429960ff4ea33930fad08bc8effb7b8bce176b9c25be8deb3113c8e25879923a9e4862218517f3a03

  • SSDEEP

    12288:IcvCS1ED+vJf54ixpwnhc29JPFrAOwap6pPDtvQE7qct2d9/ax:IcvCEhrxChc0J9cLvPDtvQEftA9/a

Malware Config

Signatures

  • Detect ZGRat V1 1 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • UAC bypass
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1296
    • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -exec bypass -c Copy-Item 'C:\Users\Admin\AppData\Local\Temp\tmp.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tmp.exe' -Force
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4388
  • 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=3940 --field-trial-handle=2244,i,861925222566734100,5228329984880658054,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2176
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:696

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yrpj5uyn.mn0.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1296-22-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/1296-43-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/1296-1-0x00007FFA09CB0000-0x00007FFA0A771000-memory.dmp

        Filesize

        10.8MB

      • memory/1296-12-0x000000001DE90000-0x000000001DEB2000-memory.dmp

        Filesize

        136KB

      • memory/1296-13-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/1296-14-0x0000000021550000-0x0000000021614000-memory.dmp

        Filesize

        784KB

      • memory/1296-15-0x0000000021640000-0x00000000216E6000-memory.dmp

        Filesize

        664KB

      • memory/1296-17-0x0000000023900000-0x00000000239A2000-memory.dmp

        Filesize

        648KB

      • memory/1296-44-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/1296-0-0x0000000000290000-0x0000000000368000-memory.dmp

        Filesize

        864KB

      • memory/1296-45-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/1296-2-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/1296-24-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/1296-20-0x0000000024380000-0x0000000024482000-memory.dmp

        Filesize

        1.0MB

      • memory/1296-23-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/1296-35-0x0000000023AB0000-0x0000000023B06000-memory.dmp

        Filesize

        344KB

      • memory/1296-36-0x0000000023CA0000-0x0000000023CEC000-memory.dmp

        Filesize

        304KB

      • memory/1296-42-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/1296-40-0x00007FFA09CB0000-0x00007FFA0A771000-memory.dmp

        Filesize

        10.8MB

      • memory/1296-41-0x000000001DEF0000-0x000000001DF00000-memory.dmp

        Filesize

        64KB

      • memory/4388-39-0x00007FFA09CB0000-0x00007FFA0A771000-memory.dmp

        Filesize

        10.8MB

      • memory/4388-19-0x0000020AA0780000-0x0000020AA0790000-memory.dmp

        Filesize

        64KB

      • memory/4388-18-0x00007FFA09CB0000-0x00007FFA0A771000-memory.dmp

        Filesize

        10.8MB

      • memory/4388-21-0x0000020AA0780000-0x0000020AA0790000-memory.dmp

        Filesize

        64KB