Resubmissions

24-01-2024 07:29

240124-jbnczachd9 10

23-01-2024 11:54

240123-n2wjgsafc6 10

26-06-2020 08:43

200626-953qfplyej 10

Analysis

  • max time kernel
    915s
  • max time network
    917s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2024 07:29

General

  • Target

    xiynk.dll

  • Size

    356KB

  • MD5

    e83a8a849188b48e79a6f49dd0c7ae91

  • SHA1

    55a1669550d823104e1452f0e6a0a94c3f7fae12

  • SHA256

    a97b7b2353dc9012b6cb914f6665d0e93f557859411d2e08b942316c09d7b07f

  • SHA512

    b035faff865f72977879322f9d1c08c6f87c96a8805db76a0e5ae4b6118f2b075e58bb1cc6a9cee8ce1c51763301443bab40970ad1f072a1763d7d7727e477f4

  • SSDEEP

    6144:IOA9EZXHHOsAFPtetI7AW7JOpoTIXbv6M19HBqxJPVZ5IebbnB:9A9EZZAFPtkI751OnrRbOJ1P

Malware Config

Extracted

Family

zloader

Botnet

june25

Campaign

june

C2

http://snnmnkxdhflwgthqismb.com/web/post.php

http://nlbmfsyplohyaicmxhum.com/web/post.php

http://softwareserviceupdater1.com/web/post.php

http://softwareserviceupdater2.com/web/post.php

Attributes
  • build_id

    9

rc4.plain
rsa_pubkey.plain

Signatures

  • Zloader, Terdot, DELoader, ZeusSphinx

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\xiynk.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\xiynk.dll
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2908

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2908-11-0x00000000000D0000-0x00000000000FB000-memory.dmp

    Filesize

    172KB

  • memory/2908-13-0x0000000000100000-0x0000000000101000-memory.dmp

    Filesize

    4KB

  • memory/2908-15-0x00000000000D0000-0x00000000000FB000-memory.dmp

    Filesize

    172KB

  • memory/2908-17-0x00000000000D0000-0x00000000000FB000-memory.dmp

    Filesize

    172KB

  • memory/2908-19-0x00000000000D0000-0x00000000000FB000-memory.dmp

    Filesize

    172KB

  • memory/2908-20-0x00000000000D0000-0x00000000000FB000-memory.dmp

    Filesize

    172KB

  • memory/2928-0-0x0000000010000000-0x0000000010159000-memory.dmp

    Filesize

    1.3MB

  • memory/2928-1-0x0000000010000000-0x0000000010159000-memory.dmp

    Filesize

    1.3MB

  • memory/2928-2-0x0000000010000000-0x0000000010159000-memory.dmp

    Filesize

    1.3MB

  • memory/2928-4-0x0000000010000000-0x0000000010159000-memory.dmp

    Filesize

    1.3MB

  • memory/2928-5-0x0000000010000000-0x0000000010159000-memory.dmp

    Filesize

    1.3MB

  • memory/2928-16-0x0000000010000000-0x0000000010159000-memory.dmp

    Filesize

    1.3MB