zloader | 287352aca562a84f441ad7794832770ddfe283a8f05bab7a37f2ba66f3dc7edf

Analysis

max time kernel
150s
max time network
9s
platform
windows7_x64
resource
win7v20201028
submitted
31-03-2021 01:55

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General

Target

287352aca562a84f441ad7794832770ddfe283a8f05bab7a37f2ba66f3dc7edf.dll
Size

619KB
MD5

a467c5e63940b8bc9b56f382aa20ea94
SHA1

eac1e8911a5fced479130bd8c7382aa6cb3278c9
SHA256

287352aca562a84f441ad7794832770ddfe283a8f05bab7a37f2ba66f3dc7edf
SHA512

2bf61eb3264e2171cb4dad95018ac5dca826950821f5b8c8a1399bac6fe55dab258fd54f12f3d3c83039ce37b43f292fefc02082010f102a26e86bccc04a1ce9

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 1980 set thread context of 1448 1980 regsvr32.exe msiexec.exe

description	pid	process	target process
PID 1980 set thread context of 1448	1980	regsvr32.exe	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1684 wrote to memory of 1980	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1980	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1980	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1980	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1980	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1980	1684	regsvr32.exe	regsvr32.exe
PID 1684 wrote to memory of 1980	1684	regsvr32.exe	regsvr32.exe
PID 1980 wrote to memory of 1448	1980	regsvr32.exe	msiexec.exe
PID 1980 wrote to memory of 1448	1980	regsvr32.exe	msiexec.exe
PID 1980 wrote to memory of 1448	1980	regsvr32.exe	msiexec.exe
PID 1980 wrote to memory of 1448	1980	regsvr32.exe	msiexec.exe
PID 1980 wrote to memory of 1448	1980	regsvr32.exe	msiexec.exe
PID 1980 wrote to memory of 1448	1980	regsvr32.exe	msiexec.exe
PID 1980 wrote to memory of 1448	1980	regsvr32.exe	msiexec.exe
PID 1980 wrote to memory of 1448	1980	regsvr32.exe	msiexec.exe
PID 1980 wrote to memory of 1448	1980	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\287352aca562a84f441ad7794832770ddfe283a8f05bab7a37f2ba66f3dc7edf.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\287352aca562a84f441ad7794832770ddfe283a8f05bab7a37f2ba66f3dc7edf.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
PID:1448

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1448-7-0x0000000000000000-mapping.dmp

Download
memory/1448-9-0x00000000000D0000-0x00000000000FB000-memory.dmp

Filesize
172KB

Download
memory/1684-2-0x000007FEFC2C1000-0x000007FEFC2C3000-memory.dmp

Filesize
8KB

Download
memory/1980-4-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/1980-3-0x0000000000000000-mapping.dmp

Download
memory/1980-5-0x00000000747B0000-0x00000000747DB000-memory.dmp

Filesize
172KB

Download
memory/1980-6-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download