Analysis

  • max time kernel
    125s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19-07-2020 19:46

General

  • Target

    zloader 2_1.0.14.0.vir.exe

  • Size

    130KB

  • MD5

    88adb0b457ea881c4b09ee65a8ee72f6

  • SHA1

    45131fff959d36d51c5ba07b369ffa9a2db32499

  • SHA256

    8afa8c9fc4f0d3c24dfc03477fb93c5df5e1c75b3926e5127a3d4aca6fa43a83

  • SHA512

    8c6652257e18aa0adcc18c5a70783317d0ebdc00dbc66f83d715d3c02dff4dfe34e1313c5a859598996e8179132df274a497b2dd419baf78a0aca2af182c0b70

Malware Config

Extracted

Family

zloader

Botnet

saca

Campaign

adw2

C2

https://thoughtlibrary.top/library/topikpost.php

https://islacangrejo.fun/library/topikpost.php

rc4.plain

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Zloader, Terdot, DELoader, ZeusSphinx

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.14.0.vir.exe
    "C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.14.0.vir.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Adds Run key to start application
      PID:1992

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/1992-0-0x0000000000110000-0x0000000000136000-memory.dmp
    Filesize

    152KB

  • memory/1992-1-0x0000000000140000-0x0000000000141000-memory.dmp
    Filesize

    4KB

  • memory/1992-2-0x0000000000110000-0x0000000000136000-memory.dmp
    Filesize

    152KB

  • memory/1992-3-0x0000000000000000-mapping.dmp