Analysis

  • max time kernel
    88s
  • max time network
    90s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2025, 08:38

General

  • Target

    00272dd639402fa76db43207d074fe52d4849e5d46008f786b944a789b09afc2.dll

  • Size

    246KB

  • MD5

    061057161259e3df7d12dccb363e56f9

  • SHA1

    1292e9b2ee9d566fe5b475835cc39dafbbb658ba

  • SHA256

    00272dd639402fa76db43207d074fe52d4849e5d46008f786b944a789b09afc2

  • SHA512

    b623b5f1142c560b9f9bc3689a2b53a3acacc93d443a1c2590433d6dc2975e2959243f1b5744720983fbbaa166f25b563b988025f7c4e3e6bf9ff6b720ba11c9

  • SSDEEP

    6144:K/WlwYMhq0n6qsXUl8KdsbiLeb5Jx5cf:KfVJzsXUl81biCbnc

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

2020-07-02

C2

https://fopiese.com/web/data

https://dinctov.com/web/data

https://ennaser.com/web/data

https://hyatart.com/web/data

https://bladilk.com/web/data

https://giridly.com/web/data

https://pleclep.com/web/data

https://phanleb.com/web/data

Attributes
  • build_id

    21

rc4.plain
rsa_pubkey.plain

Signatures

  • Zloader family
  • Zloader, Terdot, DELoader, ZeusSphinx

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\00272dd639402fa76db43207d074fe52d4849e5d46008f786b944a789b09afc2.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\00272dd639402fa76db43207d074fe52d4849e5d46008f786b944a789b09afc2.dll
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5844
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:856
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c regsvr32.exe /s C:\Users\Admin\AppData\Roaming\Lypa\obifvyat.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5932
    • C:\Windows\system32\regsvr32.exe
      regsvr32.exe /s C:\Users\Admin\AppData\Roaming\Lypa\obifvyat.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4684
      • C:\Windows\SysWOW64\regsvr32.exe
        /s C:\Users\Admin\AppData\Roaming\Lypa\obifvyat.dll
        3⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5604
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4532

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Lypa\obifvyat.dll

    Filesize

    246KB

    MD5

    061057161259e3df7d12dccb363e56f9

    SHA1

    1292e9b2ee9d566fe5b475835cc39dafbbb658ba

    SHA256

    00272dd639402fa76db43207d074fe52d4849e5d46008f786b944a789b09afc2

    SHA512

    b623b5f1142c560b9f9bc3689a2b53a3acacc93d443a1c2590433d6dc2975e2959243f1b5744720983fbbaa166f25b563b988025f7c4e3e6bf9ff6b720ba11c9

  • memory/856-4-0x0000000001200000-0x000000000122C000-memory.dmp

    Filesize

    176KB

  • memory/856-7-0x0000000001200000-0x000000000122C000-memory.dmp

    Filesize

    176KB

  • memory/856-9-0x0000000001200000-0x000000000122C000-memory.dmp

    Filesize

    176KB

  • memory/856-10-0x0000000001200000-0x000000000122C000-memory.dmp

    Filesize

    176KB

  • memory/856-13-0x0000000001200000-0x000000000122C000-memory.dmp

    Filesize

    176KB

  • memory/4532-17-0x0000000000D90000-0x0000000000DBC000-memory.dmp

    Filesize

    176KB

  • memory/5604-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/5844-0-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/5844-6-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB