Analysis

  • max time kernel
    315s
  • max time network
    1610s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-12-2023 17:49

General

  • Target

    Server.exe

  • Size

    93KB

  • MD5

    6ecaeda97e71ca06c16f1de261bde554

  • SHA1

    03900cc265f0341aa2c46814166f03c15ed7575d

  • SHA256

    f00081238b88a0a933dacc79d5406097918cc91454a6045a3b77cd47f825eea8

  • SHA512

    fe81c0ca76f61f6afae805ffcb3e3c2b4c5e9a3554a1918b607a48e3535adb5ff1cd9d864a7d5666023cbac0a30458a57f809295789d2c48817646bae3077b8a

  • SSDEEP

    768:3Y3D2QtCTpPchQRza90g5rxPXijj2TAuC4qu2XxrjEtCdnl2pi1Rz4Rk3hsGdpk3:S2CC9dzaGwrVJOzjEwzGi1dDxDkgS

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Drops startup file 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Drops startup file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:696
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2884
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe"
      2⤵
      • Modifies Windows Firewall
      PID:1744
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\Server.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4220
      • C:\Windows\SysWOW64\PING.EXE
        ping 0 -n 2
        3⤵
        • Runs ping.exe
        PID:1032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\Explower.exe

    Filesize

    93KB

    MD5

    6ecaeda97e71ca06c16f1de261bde554

    SHA1

    03900cc265f0341aa2c46814166f03c15ed7575d

    SHA256

    f00081238b88a0a933dacc79d5406097918cc91454a6045a3b77cd47f825eea8

    SHA512

    fe81c0ca76f61f6afae805ffcb3e3c2b4c5e9a3554a1918b607a48e3535adb5ff1cd9d864a7d5666023cbac0a30458a57f809295789d2c48817646bae3077b8a

  • memory/696-0-0x0000000074080000-0x0000000074630000-memory.dmp

    Filesize

    5.7MB

  • memory/696-1-0x0000000074080000-0x0000000074630000-memory.dmp

    Filesize

    5.7MB

  • memory/696-2-0x0000000002840000-0x0000000002850000-memory.dmp

    Filesize

    64KB

  • memory/696-21-0x0000000074080000-0x0000000074630000-memory.dmp

    Filesize

    5.7MB

  • memory/696-22-0x0000000074080000-0x0000000074630000-memory.dmp

    Filesize

    5.7MB

  • memory/696-23-0x0000000002840000-0x0000000002850000-memory.dmp

    Filesize

    64KB

  • memory/696-26-0x0000000074080000-0x0000000074630000-memory.dmp

    Filesize

    5.7MB