zloader | 4365afc176d3351b932fd109b667523ed6f9cadbbd1681dee3f3ed863f331267

General

Target

10ec4e9f67028d2bf9f5e42cb2918663436e21760a5f1e08950b19ac2745e48c.dll
Size

344KB
MD5

0358fcd58c56d6cedec03b80c64ff988
SHA1

34816e94bf4cc91c3c8bd6a8c087f6592ab28e96
SHA256

10ec4e9f67028d2bf9f5e42cb2918663436e21760a5f1e08950b19ac2745e48c
SHA512

677e4d1c61cfb19ca47c11d3fbfbc68f546ee5095e89075b76ba9c4b7b42ebe4f920ce0ff6b4174ce33fc87f97c398a757203c406413423751b8caa1d9d2248a

Score

10^/10

zloader nut 23/11 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

23/11

C2

https://orangeboxasia.com/wp-smarts.php

https://m3izoglass.ro/wp-smarts.php

https://bayza.ro/up_img_01.php

https://cofetariarodna.ro/errors.php

https://casapintea.ro/logs.php

https://roractaseja.ml/wp-smarts.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

Blocklisted process makes network request 10 IoCs

Processes:

msiexec.exe

flow	pid	process
6	1464	msiexec.exe
8	1464	msiexec.exe
10	1464	msiexec.exe
11	1464	msiexec.exe
12	1464	msiexec.exe
13	1464	msiexec.exe
14	1464	msiexec.exe
15	1464	msiexec.exe
17	1464	msiexec.exe
18	1464	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1284 set thread context of 1464 1284 regsvr32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1464 msiexec.exe
Token: SeSecurityPrivilege 1464 msiexec.exe

description	pid	process	target process
PID 1284 set thread context of 1464	1284	regsvr32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1464	msiexec.exe
Token: SeSecurityPrivilege	1464	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

regsvr32.exeregsvr32.exe

description	pid	process	target process
PID 544 wrote to memory of 1284	544	regsvr32.exe	regsvr32.exe
PID 544 wrote to memory of 1284	544	regsvr32.exe	regsvr32.exe
PID 544 wrote to memory of 1284	544	regsvr32.exe	regsvr32.exe
PID 544 wrote to memory of 1284	544	regsvr32.exe	regsvr32.exe
PID 544 wrote to memory of 1284	544	regsvr32.exe	regsvr32.exe
PID 544 wrote to memory of 1284	544	regsvr32.exe	regsvr32.exe
PID 544 wrote to memory of 1284	544	regsvr32.exe	regsvr32.exe
PID 1284 wrote to memory of 1464	1284	regsvr32.exe	msiexec.exe
PID 1284 wrote to memory of 1464	1284	regsvr32.exe	msiexec.exe
PID 1284 wrote to memory of 1464	1284	regsvr32.exe	msiexec.exe
PID 1284 wrote to memory of 1464	1284	regsvr32.exe	msiexec.exe
PID 1284 wrote to memory of 1464	1284	regsvr32.exe	msiexec.exe
PID 1284 wrote to memory of 1464	1284	regsvr32.exe	msiexec.exe
PID 1284 wrote to memory of 1464	1284	regsvr32.exe	msiexec.exe
PID 1284 wrote to memory of 1464	1284	regsvr32.exe	msiexec.exe
PID 1284 wrote to memory of 1464	1284	regsvr32.exe	msiexec.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\10ec4e9f67028d2bf9f5e42cb2918663436e21760a5f1e08950b19ac2745e48c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:544

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\10ec4e9f67028d2bf9f5e42cb2918663436e21760a5f1e08950b19ac2745e48c.dll
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1284

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1464

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/528-10-0x000007FEF6790000-0x000007FEF6A0A000-memory.dmp

Filesize
2.5MB

Download
memory/544-2-0x000007FEFC2B1000-0x000007FEFC2B3000-memory.dmp

Filesize
8KB

Download
memory/1284-3-0x0000000000000000-mapping.dmp

Download
memory/1284-4-0x0000000076881000-0x0000000076883000-memory.dmp

Filesize
8KB

Download
memory/1284-5-0x0000000074BA0000-0x0000000074BC5000-memory.dmp

Filesize
148KB

Download
memory/1284-6-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1464-7-0x0000000000000000-mapping.dmp

Download
memory/1464-9-0x0000000000090000-0x00000000000B5000-memory.dmp

Filesize
148KB

Download

Analysis

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