zloader | 532e67f58bdc181f0df5428f72356c58a0bcfbd85b721564242983ac6e1e39bc

Analysis

max time kernel
149s
max time network
151s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
22/05/2026, 18:13

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
tmpbqfwf8hd.dll
Size 241KB
Sample260522-wt77bacx3j
SHA256 532e67f58bdc181f0df5428f72356c58a0bcfbd85b721564242983ac6e1e39bc
MD5 ffa77881125bf57404030e36da398409
SHA1 656b53696aa723ff9ff0df3181123b9acddeebf5
SHA512 cfe44bde650e8379bbf005d42eeb1db24b25b513403ce3463abc1624bfb34256828fcdd7a87e936215d94c3ac4083d24c3f0e5d547f245ecb6fcd32abb074a84
SSDEEP 6144:RiZ1hl93SA4HVd78uWBf2GMWT0e2dbwyVFrCFMD0:RiZXl93x4j78uWIGMdNwp
TLSH
T11734AD2C9980A9E2CD8A13B7E5D59F2F75788C1C7BBD6FB264E23CCB8614910660135F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

botnet dllobnova newupdate326 discovery zloader persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

DLLobnova

Campaign

newupdate326

https://fdsjfjdsfjdsdsjajjs.com/gate.php
https://idisaudhasdhasdj.com/gate.php
https://dsjdjsjdsadhasdas.com/gate.php
https://dsdjfhdsufudhjas.com/gate.php
https://dsdjfhdsufudhjas.info/gate.php
https://fdsjfjdsfjdsdsjajjs.info/gate.php
https://idisaudhasdhasdj.info/gate.php
https://dsdjfhdsufudhjas.pro/gate.php
https://dsdjfhd9ddksaas.pro/gate.php

Attributes

build_id
82

rc4.plain

Signatures

Family: Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2684263265-1628758615-802431902-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ryufal = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Oxnu\\fahe.dll,DllRegisterServer"	msiexec.exe

Badlisted process makes network request 4 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
12	5828	msiexec.exe
14	5828	msiexec.exe
16	5828	msiexec.exe
18	5828	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5372 set thread context of 5828	5372	rundll32.exe	94

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	5828	msiexec.exe
Token: SeSecurityPrivilege	5828	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5372	rundll32.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
5372	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 5372	4260	rundll32.exe	84
PID 5372 wrote to memory of 5828	5372	rundll32.exe	94
PID 5372 wrote to memory of 5828	5372	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpbqfwf8hd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpbqfwf8hd.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:5372
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Badlisted process makes network request
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:5828

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/5372-0-0x0000000074C20000-0x0000000074C5F000-memory.dmp

Download

memory/5372-3-0x0000000074C4B000-0x0000000074C4C000-memory.dmp

Download

memory/5372-4-0x0000000074C20000-0x0000000074C5F000-memory.dmp

Download

memory/5372-5-0x0000000074C4B000-0x0000000074C4C000-memory.dmp

Download

memory/5372-9-0x0000000074C20000-0x0000000074C5F000-memory.dmp

Download

memory/5828-7-0x00000000008A0000-0x00000000008D0000-memory.dmp

Download

memory/5828-10-0x00000000008A0000-0x00000000008D0000-memory.dmp

Download

memory/5828-12-0x00000000008A0000-0x00000000008D0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads