zloader | 317e3033c5a83dcba60304cbb8ffcd30c40c0bb710fff784bd9e7189fffff15d

Analysis

max time kernel
120s
max time network
120s
platform
windows10_x64
resource
win10v20201028
submitted
02-03-2021 23:31

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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

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 24 IoCs

Processes:

msiexec.exe

flow	pid	process
16	4444	msiexec.exe
17	4444	msiexec.exe
18	4444	msiexec.exe
19	4444	msiexec.exe
20	4444	msiexec.exe
21	4444	msiexec.exe
26	4444	msiexec.exe
27	4444	msiexec.exe
28	4444	msiexec.exe
29	4444	msiexec.exe
30	4444	msiexec.exe
31	4444	msiexec.exe
33	4444	msiexec.exe
34	4444	msiexec.exe
35	4444	msiexec.exe
36	4444	msiexec.exe
37	4444	msiexec.exe
38	4444	msiexec.exe
40	4444	msiexec.exe
41	4444	msiexec.exe
42	4444	msiexec.exe
43	4444	msiexec.exe
44	4444	msiexec.exe
45	4444	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 4872 set thread context of 4444 4872 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 4444 msiexec.exe
Token: SeSecurityPrivilege 4444 msiexec.exe

description	pid	process	target process
PID 4872 set thread context of 4444	4872	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	4444	msiexec.exe
Token: SeSecurityPrivilege	4444	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4804 wrote to memory of 4872	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4872	4804	rundll32.exe	rundll32.exe
PID 4804 wrote to memory of 4872	4804	rundll32.exe	rundll32.exe
PID 4872 wrote to memory of 4444	4872	rundll32.exe	msiexec.exe
PID 4872 wrote to memory of 4444	4872	rundll32.exe	msiexec.exe
PID 4872 wrote to memory of 4444	4872	rundll32.exe	msiexec.exe
PID 4872 wrote to memory of 4444	4872	rundll32.exe	msiexec.exe
PID 4872 wrote to memory of 4444	4872	rundll32.exe	msiexec.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35466f0c22f220890b932e59f9a21032712e8260343d13ad4c0d9560db3b638f.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4872

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:4444

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35466f0c22f220890b932e59f9a21032712e8260343d13ad4c0d9560db3b638f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804

Network

MITRE ATT&CK Matrix

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Downloads

memory/4444-5-0x0000000000000000-mapping.dmp

Download
memory/4444-6-0x00000000008C0000-0x00000000008E6000-memory.dmp

Filesize
152KB

Download
memory/4872-2-0x0000000000000000-mapping.dmp

Download
memory/4872-3-0x0000000073DF0000-0x0000000073E16000-memory.dmp

Filesize
152KB

Download
memory/4872-4-0x0000000002820000-0x0000000002821000-memory.dmp

Filesize
4KB

Download