zloader | ca4a842f5c327aa4372549fc4bf1e6f86956cfddcf423fbaadeba69fd6738c05

Analysis

max time kernel
37s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
15-04-2021 19:12

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General

Target

311c78f93acf71a31e5c05bb20f0eef5.dll
Size

666KB
MD5

311c78f93acf71a31e5c05bb20f0eef5
SHA1

d9618042f78ad4fd5e7c9e20114badf4e0b1b7b7
SHA256

ca4a842f5c327aa4372549fc4bf1e6f86956cfddcf423fbaadeba69fd6738c05
SHA512

781b64a2da50a94c660e577aad6dd0995ca1895c6b09f32c177d30383e721586ef7f0ae2c1aec8658b89b9b9ae4f1903e39b6bc5f11d554697c64974cec2bcb9

Score

10^/10

zloader nut 13/04 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

13/04

https://jiaayanu.com/post.php

https://investinszeklerland.eu/post.php

https://iqs-sac.com/post.php

https://jciems.in/post.php

https://jinnahofficersschool.com/post.php

https://kancagh.com/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 WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1032 wrote to memory of 1568	1032	rundll32.exe	rundll32.exe
PID 1032 wrote to memory of 1568	1032	rundll32.exe	rundll32.exe
PID 1032 wrote to memory of 1568	1032	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\311c78f93acf71a31e5c05bb20f0eef5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\311c78f93acf71a31e5c05bb20f0eef5.dll,#1
2⤵
PID:1568

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1568-114-0x0000000000000000-mapping.dmp

Download
memory/1568-115-0x0000000073EB0000-0x0000000073EDB000-memory.dmp

Filesize
172KB

Download
memory/1568-116-0x0000000073EB0000-0x0000000073F78000-memory.dmp

Filesize
800KB

Download
memory/1568-117-0x00000000033A0000-0x00000000033A1000-memory.dmp

Filesize
4KB

Download