zloader | 317e3033c5a83dcba60304cbb8ffcd30c40c0bb710fff784bd9e7189fffff15d

General

Target

35466f0c22f220890b932e59f9a21032712e8260343d13ad4c0d9560db3b638f.dll
Size

367KB
MD5

b8486dcef44c59a2652378724ef2a995
SHA1

1a71166669aa8810474fcb6700851175c643bd30
SHA256

35466f0c22f220890b932e59f9a21032712e8260343d13ad4c0d9560db3b638f
SHA512

70da95fda92ff4e1f4157a747e50dc311cf1e3add4b4a3fd8da6c2c752b5fa7b6572f860d069630792804d0a45479e84dee86be0129994fa5ef3a83657fd003e

Score

10^/10

zloader nut 08/12 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

08/12

C2

https://nature4health.id/wp-punch.php

https://maschuquisaca.tk/wp-punch.php

https://serproimsas.com/wp-punch.php

https://agrospas.co.rs/wp-punch.php

https://fnxcrypto.com/server.php

https://lywakelireal.ga/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 25 IoCs

Processes:

msiexec.exe

flow	pid	process
6	1720	msiexec.exe
7	1720	msiexec.exe
8	1720	msiexec.exe
9	1720	msiexec.exe
10	1720	msiexec.exe
11	1720	msiexec.exe
14	1720	msiexec.exe
16	1720	msiexec.exe
17	1720	msiexec.exe
18	1720	msiexec.exe
19	1720	msiexec.exe
20	1720	msiexec.exe
21	1720	msiexec.exe
23	1720	msiexec.exe
24	1720	msiexec.exe
25	1720	msiexec.exe
26	1720	msiexec.exe
27	1720	msiexec.exe
28	1720	msiexec.exe
30	1720	msiexec.exe
31	1720	msiexec.exe
32	1720	msiexec.exe
33	1720	msiexec.exe
34	1720	msiexec.exe
35	1720	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1264 set thread context of 1720 1264 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1720 msiexec.exe
Token: SeSecurityPrivilege 1720 msiexec.exe

description	pid	process	target process
PID 1264 set thread context of 1720	1264	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1720	msiexec.exe
Token: SeSecurityPrivilege	1720	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1832 wrote to memory of 1264	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1264	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1264	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1264	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1264	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1264	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1264	1832	rundll32.exe	rundll32.exe
PID 1264 wrote to memory of 1720	1264	rundll32.exe	msiexec.exe
PID 1264 wrote to memory of 1720	1264	rundll32.exe	msiexec.exe
PID 1264 wrote to memory of 1720	1264	rundll32.exe	msiexec.exe
PID 1264 wrote to memory of 1720	1264	rundll32.exe	msiexec.exe
PID 1264 wrote to memory of 1720	1264	rundll32.exe	msiexec.exe
PID 1264 wrote to memory of 1720	1264	rundll32.exe	msiexec.exe
PID 1264 wrote to memory of 1720	1264	rundll32.exe	msiexec.exe
PID 1264 wrote to memory of 1720	1264	rundll32.exe	msiexec.exe
PID 1264 wrote to memory of 1720	1264	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35466f0c22f220890b932e59f9a21032712e8260343d13ad4c0d9560db3b638f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35466f0c22f220890b932e59f9a21032712e8260343d13ad4c0d9560db3b638f.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1264

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1720

Network

MITRE ATT&CK Matrix

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Downloads

memory/1264-2-0x0000000000000000-mapping.dmp

Download
memory/1264-3-0x0000000076191000-0x0000000076193000-memory.dmp

Filesize
8KB

Download
memory/1264-4-0x0000000074F20000-0x0000000074F46000-memory.dmp

Filesize
152KB

Download
memory/1264-5-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1656-9-0x000007FEF7F80000-0x000007FEF81FA000-memory.dmp

Filesize
2.5MB

Download
memory/1720-6-0x0000000000000000-mapping.dmp

Download
memory/1720-8-0x00000000000D0000-0x00000000000F6000-memory.dmp

Filesize
152KB

Download

Analysis

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