zloader | 849cf9558e64477fe9995d796c04742e025250cdbf2e46f111dc456fe7e05823

Analysis

max time kernel
52s
max time network
11s
platform
windows7_x64
resource
win7v20210408
submitted
15-04-2021 00:37

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General

Target

076308b6ecd17ff4630abc5aa5028d13.bin.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 WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1988 wrote to memory of 832	1988	regsvr32.exe	regsvr32.exe
PID 1988 wrote to memory of 832	1988	regsvr32.exe	regsvr32.exe
PID 1988 wrote to memory of 832	1988	regsvr32.exe	regsvr32.exe
PID 1988 wrote to memory of 832	1988	regsvr32.exe	regsvr32.exe
PID 1988 wrote to memory of 832	1988	regsvr32.exe	regsvr32.exe
PID 1988 wrote to memory of 832	1988	regsvr32.exe	regsvr32.exe
PID 1988 wrote to memory of 832	1988	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\076308b6ecd17ff4630abc5aa5028d13.bin.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\076308b6ecd17ff4630abc5aa5028d13.bin.dll
2⤵
PID:832

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/832-61-0x0000000000000000-mapping.dmp

Download
memory/832-62-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/832-63-0x00000000749F0000-0x0000000074A1B000-memory.dmp

Filesize
172KB

Download
memory/832-64-0x00000000749F0000-0x0000000074F94000-memory.dmp

Filesize
5.6MB

Download
memory/832-65-0x0000000000170000-0x00000000001F0000-memory.dmp

Filesize
512KB

Download
memory/1988-60-0x000007FEFC391000-0x000007FEFC393000-memory.dmp

Filesize
8KB

Download