zloader | b7f3b8c8e8cd3b886baea02961ce6968315359a78e4af1edc51f930ae4ebd67b

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-en-20211208
submitted
01-02-2022 04:19

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General

Target

b7f3b8c8e8cd3b886baea02961ce6968315359a78e4af1edc51f930ae4ebd67b.dll
Size

420KB
MD5

e7aba23375f3a435c774684db72f15d8
SHA1

8b20384f4a28f897a82bb4cb58e317d100096b73
SHA256

b7f3b8c8e8cd3b886baea02961ce6968315359a78e4af1edc51f930ae4ebd67b
SHA512

2ac781bd7b16afa5393849928c5f0ac7df120f42cc6a24aecc7f3e8cd746733a3c8d781d4cc7e460d986b368305940a7b28aecad8fc7949ab65438d0fce1dec9

Score

10^/10

zloader main 12.03.2020 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

main

Campaign

12.03.2020

https://postxer.com/sound.php

https://banssa.org/sound.php

https://dolax.org/sound.php

https://calul.org/sound.php

https://evahs.org/sound.php

Attributes

build_id
21

rc4.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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1700 wrote to memory of 1332	1700	rundll32.exe	rundll32.exe
PID 1700 wrote to memory of 1332	1700	rundll32.exe	rundll32.exe
PID 1700 wrote to memory of 1332	1700	rundll32.exe	rundll32.exe
PID 1700 wrote to memory of 1332	1700	rundll32.exe	rundll32.exe
PID 1700 wrote to memory of 1332	1700	rundll32.exe	rundll32.exe
PID 1700 wrote to memory of 1332	1700	rundll32.exe	rundll32.exe
PID 1700 wrote to memory of 1332	1700	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7f3b8c8e8cd3b886baea02961ce6968315359a78e4af1edc51f930ae4ebd67b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1700

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7f3b8c8e8cd3b886baea02961ce6968315359a78e4af1edc51f930ae4ebd67b.dll,#1
2⤵
PID:1332

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1332-55-0x0000000075F91000-0x0000000075F93000-memory.dmp

Filesize
8KB

Download
memory/1332-56-0x0000000000320000-0x00000000003A9000-memory.dmp

Filesize
548KB

Download
memory/1332-59-0x0000000000320000-0x00000000003A9000-memory.dmp

Filesize
548KB

Download
memory/1332-58-0x0000000000320000-0x000000000034E000-memory.dmp

Filesize
184KB

Download
memory/1332-60-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download