Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2023, 03:54

General

  • Target
    update.exe
  • Size 671KB
  • Sample231004-ef7vysah26
  • SHA256 ec0898d88ee59ee97415deedbc28c6754a4bf83c1443d10e9cd0deeb219f0deb
  • MD5 SHA1 SHA512 SSDEEP
Score
6/10

Malware Config

Signatures

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\update.exe
    "C:\Users\Admin\AppData\Local\Temp\update.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3148
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:5036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 272
      2⤵
      • Program crash
      PID:3508
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3148 -ip 3148
    1⤵
      PID:2904
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:1744
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3892

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            memory/3892-6-0x0000022C97540000-0x0000022C97550000-memory.dmp

            memory/3892-22-0x0000022C97640000-0x0000022C97650000-memory.dmp

            memory/3892-38-0x0000022C9F990000-0x0000022C9F991000-memory.dmp

            memory/3892-40-0x0000022C9F9C0000-0x0000022C9F9C1000-memory.dmp

            memory/3892-41-0x0000022C9F9C0000-0x0000022C9F9C1000-memory.dmp

            memory/3892-42-0x0000022C9FAD0000-0x0000022C9FAD1000-memory.dmp

            memory/5036-0-0x0000000000400000-0x0000000000475000-memory.dmp

            memory/5036-1-0x0000000000400000-0x0000000000475000-memory.dmp

            memory/5036-2-0x0000000000400000-0x0000000000475000-memory.dmp

            memory/5036-3-0x0000000000400000-0x0000000000475000-memory.dmp

            memory/5036-4-0x0000000000400000-0x0000000000475000-memory.dmp

            memory/5036-5-0x0000000000400000-0x0000000000475000-memory.dmp