Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 06:21

General

  • Target

    5a9ce6e613360c55e18d082a1279a83bf7a36e1825e4553f8a2672775e8e7b7e.dll

  • Size

    489KB

  • MD5

    773ddf5b1f3c6aed86f5a6d5e47d6cf0

  • SHA1

    6b78117fdebf7ecd999bed5c80c1eedad38d7307

  • SHA256

    5a9ce6e613360c55e18d082a1279a83bf7a36e1825e4553f8a2672775e8e7b7e

  • SHA512

    b93ffe3295f70b0e6983e2464809586bae36f46057728a1118f0e55ab5aa41e8e8bf598d32075ea6250136332fe3fce2ec62a183d1a549b811bfac44177d1d08

Malware Config

Extracted

Family

zloader

Botnet

NNN

Campaign

NNN

C2

http://marchadvertisingnetwork4.com/post.php

http://march262020.best/post.php

http://march262020.club/post.php

http://march262020.com/post.php

http://march262020.live/post.php

http://march262020.network/post.php

http://march262020.online/post.php

http://march262020.site/post.php

http://march262020.store/post.php

http://march262020.tech/post.php

Attributes
  • build_id

    79

rc4.plain

Signatures

  • Zloader, Terdot, DELoader, ZeusSphinx

    Zloader is a malware strain that was initially discovered back in August 2015.

  • suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

    suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz

  • Blocklisted process makes network request 13 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a9ce6e613360c55e18d082a1279a83bf7a36e1825e4553f8a2672775e8e7b7e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a9ce6e613360c55e18d082a1279a83bf7a36e1825e4553f8a2672775e8e7b7e.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Blocklisted process makes network request
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        PID:1632

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1624-55-0x0000000076641000-0x0000000076643000-memory.dmp
    Filesize

    8KB

  • memory/1624-56-0x0000000000190000-0x00000000001BB000-memory.dmp
    Filesize

    172KB

  • memory/1624-57-0x0000000000260000-0x000000000028E000-memory.dmp
    Filesize

    184KB

  • memory/1632-59-0x0000000000090000-0x0000000000091000-memory.dmp
    Filesize

    4KB

  • memory/1632-58-0x00000000000D0000-0x00000000000FE000-memory.dmp
    Filesize

    184KB

  • memory/1632-60-0x00000000000D0000-0x00000000000FE000-memory.dmp
    Filesize

    184KB

  • memory/1632-62-0x00000000000D0000-0x00000000000FE000-memory.dmp
    Filesize

    184KB