zloader | 66d4f17726f5853e6127da6c02b6760f5cabbcf2793673d0db6b93517a537a78

Analysis

max time kernel
102s
max time network
114s
platform
windows10_x64
resource
win10v20201028
submitted
09-11-2020 20:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

zte(1).dll
Size

473KB
MD5

d3b52650de0ec3f5705f92e313717c1b
SHA1

bf54d6be7f59dbaa0add9e4a0615736d99ceeca3
SHA256

66d4f17726f5853e6127da6c02b6760f5cabbcf2793673d0db6b93517a537a78
SHA512

6db7afc67356e477e303667436dd0792639d2153e3a94253e91a8b07e38e490b6b8142c45815dfed59171f0ac1553781028348acbbb3027c65616dfba20600b5

Score

10^/10

zloader botnet persistence trojan

Malware Config

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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\Guos = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Izbi\\ogki.dll"	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1076 set thread context of 228 1076 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 228 msiexec.exe
Token: SeSecurityPrivilege 228 msiexec.exe

description	pid	process	target process
PID 1076 set thread context of 228	1076	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	228	msiexec.exe
Token: SeSecurityPrivilege	228	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 912 wrote to memory of 1076	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 1076	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 1076	912	rundll32.exe	rundll32.exe
PID 1076 wrote to memory of 228	1076	rundll32.exe	msiexec.exe
PID 1076 wrote to memory of 228	1076	rundll32.exe	msiexec.exe
PID 1076 wrote to memory of 228	1076	rundll32.exe	msiexec.exe
PID 1076 wrote to memory of 228	1076	rundll32.exe	msiexec.exe
PID 1076 wrote to memory of 228	1076	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zte(1).dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zte(1).dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:228

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/228-1-0x0000000002F20000-0x0000000002F4B000-memory.dmp

Filesize
172KB

Download
memory/228-2-0x0000000000000000-mapping.dmp

Download
memory/1076-0-0x0000000000000000-mapping.dmp

Download