zloader | bd40fbd6619e2dff958bd5398b0c615921ffd28fe9410e933fe117bca2ed4f9c

General

Target

116347dee5de17177b0e19cb2656d94d.dll
Size

368KB
MD5

116347dee5de17177b0e19cb2656d94d
SHA1

1bc94b97c99c08ffc1f2849a2dfce60569ddbc71
SHA256

bd40fbd6619e2dff958bd5398b0c615921ffd28fe9410e933fe117bca2ed4f9c
SHA512

a405bbeb5829045817817ff4e993153e5196642d32cdeca5964d1787a2451a7d39624c293e59de8d0c485ee57a964814c167a68abb19d6f23308ffff6f7e2fdb

Score

10^/10

zloader nut 22/02 botnet trojan

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

22/02

C2

https://sanfilippowholesale.ca/post.php

https://veprotech.com/post.php

https://globalgroots.com/post.php

https://silicontradewind.com/post.php

https://dhyanalingagranites.in/post.php

https://onushondhanbarta.com/post.php

https://avcity.in/post.php

https://docapiridelli.ml/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 38 IoCs

Processes:

msiexec.exe

flow	pid	process
16	184	msiexec.exe
17	184	msiexec.exe
18	184	msiexec.exe
19	184	msiexec.exe
20	184	msiexec.exe
21	184	msiexec.exe
23	184	msiexec.exe
24	184	msiexec.exe
25	184	msiexec.exe
26	184	msiexec.exe
27	184	msiexec.exe
28	184	msiexec.exe
30	184	msiexec.exe
31	184	msiexec.exe
32	184	msiexec.exe
33	184	msiexec.exe
34	184	msiexec.exe
35	184	msiexec.exe
37	184	msiexec.exe
38	184	msiexec.exe
39	184	msiexec.exe
40	184	msiexec.exe
41	184	msiexec.exe
42	184	msiexec.exe
44	184	msiexec.exe
45	184	msiexec.exe
46	184	msiexec.exe
47	184	msiexec.exe
48	184	msiexec.exe
49	184	msiexec.exe
51	184	msiexec.exe
53	184	msiexec.exe
54	184	msiexec.exe
55	184	msiexec.exe
56	184	msiexec.exe
57	184	msiexec.exe
58	184	msiexec.exe
60	184	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 3920 set thread context of 184 3920 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 184 msiexec.exe
Token: SeSecurityPrivilege 184 msiexec.exe

description	pid	process	target process
PID 3920 set thread context of 184	3920	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	184	msiexec.exe
Token: SeSecurityPrivilege	184	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 796 wrote to memory of 3920	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 3920	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 3920	796	rundll32.exe	rundll32.exe
PID 3920 wrote to memory of 184	3920	rundll32.exe	msiexec.exe
PID 3920 wrote to memory of 184	3920	rundll32.exe	msiexec.exe
PID 3920 wrote to memory of 184	3920	rundll32.exe	msiexec.exe
PID 3920 wrote to memory of 184	3920	rundll32.exe	msiexec.exe
PID 3920 wrote to memory of 184	3920	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\116347dee5de17177b0e19cb2656d94d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\116347dee5de17177b0e19cb2656d94d.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3920

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:184

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/184-5-0x0000000000000000-mapping.dmp

Download
memory/184-6-0x00000000004B0000-0x00000000004D9000-memory.dmp

Filesize
164KB

Download
memory/3920-2-0x0000000000000000-mapping.dmp

Download
memory/3920-3-0x0000000001000000-0x0000000001029000-memory.dmp

Filesize
164KB

Download
memory/3920-4-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download

Analysis

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