zloader | fd8c062ff0b80d0560a5c239f9a035e821053ff0ee1e3907c88bb4a4b04fee30

Analysis

max time kernel
149s
max time network
98s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
09/06/2026, 06:19

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General

Target
tmpqnytymc4.dll
Size 664KB
Sample260609-g28eqad16w
SHA256 fd8c062ff0b80d0560a5c239f9a035e821053ff0ee1e3907c88bb4a4b04fee30
MD5 ad932db9a140326038cbb899bad01d2b
SHA1 8a56a8ba2fb69dc5bc935e823c5289a9ff02d76a
SHA512 c0af62fcedcfb55c59a402878f150f2437680ca8fe9fbaec0f4283c58be20899909cf151df50e11f97144d74a4722bdef5be2ef3dd6b03f17efb990c2cd100f6
SSDEEP 12288:bHMY2akXvNE8jI0pNqG/yin1bb6H9UoyLRAq6BdnbbXO+uVBzSeiTzF:gy6NE88KAitR6H9xWRPYOBzqX
TLSH
T1F9E48D1277B04024F6BB1BB854FB11659A7E7ED09738C5CB43C022EA4AB7AD0AE34757
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

botnet bot5 bot5 discovery zloader persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

bot5

Campaign

bot5

https://militanttra.at/owg.php

Attributes

build_id
15

rc4.plain

rsa_pubkey.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-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows\CurrentVersion\Run\Itkuxoi = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Aczi\\morep.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 400 set thread context of 4992	400	rundll32.exe	81

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4992	msiexec.exe
Token: SeSecurityPrivilege	4992	msiexec.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 400	2532	rundll32.exe	80
PID 400 wrote to memory of 4992	400	rundll32.exe	81
PID 400 wrote to memory of 4992	400	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpqnytymc4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpqnytymc4.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:400
- - 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:4992

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/400-0-0x00000000757EC000-0x00000000757EF000-memory.dmp

Download

memory/400-1-0x0000000075760000-0x000000007580C000-memory.dmp

Download

memory/400-2-0x0000000075760000-0x000000007580C000-memory.dmp

Download

memory/400-3-0x0000000075760000-0x000000007580C000-memory.dmp

Download

memory/400-4-0x00000000757EC000-0x00000000757EF000-memory.dmp

Download

memory/400-9-0x0000000075760000-0x000000007580C000-memory.dmp

Download

memory/4992-7-0x0000000000620000-0x000000000064B000-memory.dmp

Download

memory/4992-12-0x0000000000620000-0x000000000064B000-memory.dmp

Download

memory/4992-11-0x0000000000620000-0x000000000064B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads