Analysis

  • max time kernel
    166s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2024 00:39

General

  • Target

    3b790506f2a6039ae123c2663e43fcf6.exe

  • Size

    1.1MB

  • MD5

    3b790506f2a6039ae123c2663e43fcf6

  • SHA1

    0795420c4a2c66b34fb2a16caaab265dd888dc55

  • SHA256

    c26c21ee05b241fbcce9a2ca787a120ea47013f3108b2f96e742a71d8a7ad14b

  • SHA512

    1c065804e3e25ccf237f688eb7cbd0ab7ec7cdcb5fbf928d206c3f586fd9b8ed9e69b533aa2873b0d46fbf9960e103ec6fec9cb3b30a35e7ddf5ca930cb3fba7

  • SSDEEP

    24576:7+QIbfPY5Beqrrel6qAh5MQwFlN0hY/jFvaX:7/IECqrClah52X00BvaX

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b790506f2a6039ae123c2663e43fcf6.exe
    "C:\Users\Admin\AppData\Local\Temp\3b790506f2a6039ae123c2663e43fcf6.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops autorun.inf file
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\3b790506f2a6039ae123c2663e43fcf6.exe" "3b790506f2a6039ae123c2663e43fcf6.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • F:\arararrararaa.exe

    Filesize

    1.1MB

    MD5

    3b790506f2a6039ae123c2663e43fcf6

    SHA1

    0795420c4a2c66b34fb2a16caaab265dd888dc55

    SHA256

    c26c21ee05b241fbcce9a2ca787a120ea47013f3108b2f96e742a71d8a7ad14b

    SHA512

    1c065804e3e25ccf237f688eb7cbd0ab7ec7cdcb5fbf928d206c3f586fd9b8ed9e69b533aa2873b0d46fbf9960e103ec6fec9cb3b30a35e7ddf5ca930cb3fba7

  • memory/1800-0-0x0000000000C60000-0x0000000000FD6000-memory.dmp

    Filesize

    3.5MB

  • memory/1800-1-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/1800-2-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/1800-3-0x0000000002AB0000-0x0000000002AF0000-memory.dmp

    Filesize

    256KB

  • memory/1800-14-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/1800-16-0x00000000740A0000-0x000000007464B000-memory.dmp

    Filesize

    5.7MB

  • memory/1800-17-0x0000000002AB0000-0x0000000002AF0000-memory.dmp

    Filesize

    256KB