Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    19-07-2020 19:50

General

  • Target

    zloader 2_1.0.10.0.vir.exe

  • Size

    139KB

  • MD5

    d91b498e5fc6c91e1e86b339407b58f7

  • SHA1

    369e3c4646a69b99a797e0e288fd3145e2a6f35a

  • SHA256

    cad0968f5ab3bedeffef68bbe18f92946fb97967cef59970157029480ed15bb9

  • SHA512

    b981f7c4857327708233bf7e44bfb485c1cc7148ca850a63b12f854215edb583f5a499109d67b94f213226d23d0f4e0e5d04b888193fa5e799e30f051e9c9dbd

Malware Config

Extracted

Family

zloader

Botnet

vlenie10

Campaign

obnova10

C2

https://kdsidsiadsakfsas.com/gate.php

https://jdafiasfjsafahhfs.com/gate.php

https://dasifosafjasfhasf.com/gate.php

https://kasfajfsafhasfhaf.com/gate.php

https://fdsjfjdsfjdsjfdjsfh.com/gate.php

https://fdsjfjdsfjdsdsjajjs.com/gate.php

https://idisaudhasdhasdj.com/gate.php

https://dsjdjsjdsadhasdas.com/gate.php

https://dsdjfhdsufudhjas.com/gate.php

rc4.plain

Signatures

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Blacklisted process makes network request 9 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Zloader, Terdot, DELoader, ZeusSphinx

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Suspicious use of SetThreadContext 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.10.0.vir.exe
    "C:\Users\Admin\AppData\Local\Temp\zloader 2_1.0.10.0.vir.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1064
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Blacklisted process makes network request
      • Adds Run key to start application
      • Modifies system certificate store
      PID:1056

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1056-0-0x0000000000090000-0x00000000000B0000-memory.dmp
    Filesize

    128KB

  • memory/1056-1-0x00000000000B0000-0x00000000000B1000-memory.dmp
    Filesize

    4KB

  • memory/1056-2-0x0000000000090000-0x00000000000B0000-memory.dmp
    Filesize

    128KB

  • memory/1056-3-0x0000000000000000-mapping.dmp