zloader | 97604413041a069ebf1a92eea3e124fc1692c09602f1c5a2402a5d44b2f9e335

Analysis

max time kernel
149s
max time network
10s
platform
windows7_x64
resource
win7v20201028
submitted
02-04-2021 04:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9f461b952b6e648c57d22e3a4728494c11871a919ec73947cffe360dd4dd17ba.dll
Size

619KB
MD5

076308b6ecd17ff4630abc5aa5028d13
SHA1

06e69b783ea7a0d37539f20d1edadc2b8a6ae70e
SHA256

9f461b952b6e648c57d22e3a4728494c11871a919ec73947cffe360dd4dd17ba
SHA512

f073806770b4c0a305501a429bb2c728d80143d56adf95509450d2ac68d7c43ed49d484cbd0fdfa4bbfc9c81af1e9d53a3862693a8ba1a293143b9b20fa161b3

Score

10^/10

zloader nut 30/03 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

30/03

https://holacast.com/post.php

https://homeloansadvisor.in/post.php

https://hoteldonalala.com.mx/post.php

https://hotimobiliaria.com.br/post.php

https://hrdgschool.com/post.php

https://huloolcreations.com/post.php

https://hyundainhatrang.vn/post.php

https://iaikotasemarang.id/post.php

rc4.plain

rsa_pubkey.plain

Signatures

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1952 set thread context of 888 1952 regsvr32.exe msiexec.exe

description	pid	process	target process
PID 1952 set thread context of 888	1952	regsvr32.exe	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1680 wrote to memory of 1952	1680	regsvr32.exe	regsvr32.exe
PID 1680 wrote to memory of 1952	1680	regsvr32.exe	regsvr32.exe
PID 1680 wrote to memory of 1952	1680	regsvr32.exe	regsvr32.exe
PID 1680 wrote to memory of 1952	1680	regsvr32.exe	regsvr32.exe
PID 1680 wrote to memory of 1952	1680	regsvr32.exe	regsvr32.exe
PID 1680 wrote to memory of 1952	1680	regsvr32.exe	regsvr32.exe
PID 1680 wrote to memory of 1952	1680	regsvr32.exe	regsvr32.exe
PID 1952 wrote to memory of 888	1952	regsvr32.exe	msiexec.exe
PID 1952 wrote to memory of 888	1952	regsvr32.exe	msiexec.exe
PID 1952 wrote to memory of 888	1952	regsvr32.exe	msiexec.exe
PID 1952 wrote to memory of 888	1952	regsvr32.exe	msiexec.exe
PID 1952 wrote to memory of 888	1952	regsvr32.exe	msiexec.exe
PID 1952 wrote to memory of 888	1952	regsvr32.exe	msiexec.exe
PID 1952 wrote to memory of 888	1952	regsvr32.exe	msiexec.exe
PID 1952 wrote to memory of 888	1952	regsvr32.exe	msiexec.exe
PID 1952 wrote to memory of 888	1952	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9f461b952b6e648c57d22e3a4728494c11871a919ec73947cffe360dd4dd17ba.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\9f461b952b6e648c57d22e3a4728494c11871a919ec73947cffe360dd4dd17ba.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
PID:888

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/888-7-0x0000000000000000-mapping.dmp

Download
memory/888-9-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1680-2-0x000007FEFC2C1000-0x000007FEFC2C3000-memory.dmp

Filesize
8KB

Download
memory/1952-3-0x0000000000000000-mapping.dmp

Download
memory/1952-4-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/1952-5-0x00000000747B0000-0x00000000747DB000-memory.dmp

Filesize
172KB

Download
memory/1952-6-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download