zloader | 8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1

Analysis

max time kernel
93s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2023 16:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1.dll
Size

856KB
MD5

306212efebc6ac92000687393e56a5cb
SHA1

dc0b678e9ad7cadd5de907bf80fa351d5d3347cc
SHA256

8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1
SHA512

1d40714f657f4f1820da817fcc9f6dd98d2c0dec2e5e7c71fa51c1066be30bd36de967d706f021e8032bce787bc881469261cbd0224a362d93a271c0ee6381ee
SSDEEP

6144:wNh2LRR/Q+rZfc/vsKlioIExDGQGDTiSssbtC4h:iERRzrGnsK4MGQgTiSssJVh

Score

10^/10

zloader main 05.04.2020 botnet persistence trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

05.04.2020

https://knalc.com/sound.php

https://namilh.com/sound.php

https://ronswank.com/sound.php

https://stagolk.com/sound.php

https://mioniough.com/sound.php

https://ergensu.com/sound.php

Attributes

build_id
33

rc4.plain

Signatures

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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Etsoolsi = "rundll32.exe C:\\Users\\Admin\\AppData\\Roaming\\Evhyv\\zoziwuda.dll,DllRegisterServer"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1032 set thread context of 2892	1032	rundll32.exe	108

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2892	msiexec.exe
Token: SeSecurityPrivilege	2892	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1032	1456	rundll32.exe	87
PID 1456 wrote to memory of 1032	1456	rundll32.exe	87
PID 1456 wrote to memory of 1032	1456	rundll32.exe	87
PID 1032 wrote to memory of 2892	1032	rundll32.exe	108
PID 1032 wrote to memory of 2892	1032	rundll32.exe	108
PID 1032 wrote to memory of 2892	1032	rundll32.exe	108
PID 1032 wrote to memory of 2892	1032	rundll32.exe	108
PID 1032 wrote to memory of 2892	1032	rundll32.exe	108

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d5a770975e52ce1048534372207336f6cc657b43887daa49994e63e8d7f6ce1.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec.exe
    3⤵
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:2892

Network

MITRE ATT&CK Enterprise v15

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1032-0-0x00000000007C0000-0x0000000000805000-memory.dmp

Filesize
276KB

Download
memory/1032-1-0x0000000010000000-0x00000000100DB000-memory.dmp

Filesize
876KB

Download
memory/1032-4-0x00000000007C0000-0x0000000000805000-memory.dmp

Filesize
276KB

Download
memory/1032-9-0x0000000010000000-0x00000000100DB000-memory.dmp

Filesize
876KB

Download
memory/2892-8-0x0000000000E80000-0x0000000000EB0000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads