zloader | 314ac0158727ba0bed95d244200e569e5aa9528f4c567c1c2c5cfba542fe545c

General

Target

2SoXN.dll
Size

666KB
MD5

dac52df1477fe8b567b656c1da2e876f
SHA1

4b020a24c3d68b21b586a531e04d558f04de4f52
SHA256

314ac0158727ba0bed95d244200e569e5aa9528f4c567c1c2c5cfba542fe545c
SHA512

fb36eb6c6327b8e51cb5230ab5206b2fb327ff440d3e9219535b75b39bd6d03871be7069960120238072a2b0c29ba5716ba8868d02a1fc85b0a62445454cc240

Score

10^/10

zloader nut 13/04 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

13/04

C2

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

Blocklisted process makes network request 16 IoCs

Processes:

msiexec.exe

flow	pid	process
6	1068	msiexec.exe
7	1068	msiexec.exe
8	1068	msiexec.exe
9	1068	msiexec.exe
10	1068	msiexec.exe
11	1068	msiexec.exe
12	1068	msiexec.exe
13	1068	msiexec.exe
14	1068	msiexec.exe
15	1068	msiexec.exe
16	1068	msiexec.exe
17	1068	msiexec.exe
18	1068	msiexec.exe
19	1068	msiexec.exe
20	1068	msiexec.exe
21	1068	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 316 set thread context of 1068 316 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1068 msiexec.exe
Token: SeSecurityPrivilege 1068 msiexec.exe

description	pid	process	target process
PID 316 set thread context of 1068	316	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1068	msiexec.exe
Token: SeSecurityPrivilege	1068	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2040 wrote to memory of 316	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 316	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 316	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 316	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 316	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 316	2040	rundll32.exe	rundll32.exe
PID 2040 wrote to memory of 316	2040	rundll32.exe	rundll32.exe
PID 316 wrote to memory of 1068	316	rundll32.exe	msiexec.exe
PID 316 wrote to memory of 1068	316	rundll32.exe	msiexec.exe
PID 316 wrote to memory of 1068	316	rundll32.exe	msiexec.exe
PID 316 wrote to memory of 1068	316	rundll32.exe	msiexec.exe
PID 316 wrote to memory of 1068	316	rundll32.exe	msiexec.exe
PID 316 wrote to memory of 1068	316	rundll32.exe	msiexec.exe
PID 316 wrote to memory of 1068	316	rundll32.exe	msiexec.exe
PID 316 wrote to memory of 1068	316	rundll32.exe	msiexec.exe
PID 316 wrote to memory of 1068	316	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2SoXN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2SoXN.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1068

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/316-59-0x0000000000000000-mapping.dmp

Download
memory/316-60-0x0000000076281000-0x0000000076283000-memory.dmp

Filesize
8KB

Download
memory/316-62-0x0000000074FB0000-0x0000000075078000-memory.dmp

Filesize
800KB

Download
memory/316-61-0x0000000074FB0000-0x0000000074FDB000-memory.dmp

Filesize
172KB

Download
memory/316-63-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1068-64-0x0000000000000000-mapping.dmp

Download
memory/1068-66-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download

Analysis

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