zloader | 346ac4db6c394062cb9b3abf2a843b16dd57ef47ae5406b56bf515da929e6adb

General

Target

bd40fbd6619e2dff958bd5398b0c615921ffd28fe9410e933fe117bca2ed4f9c.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 64 IoCs

Processes:

msiexec.exe

flow	pid	process
6	1724	msiexec.exe
7	1724	msiexec.exe
8	1724	msiexec.exe
9	1724	msiexec.exe
10	1724	msiexec.exe
11	1724	msiexec.exe
12	1724	msiexec.exe
13	1724	msiexec.exe
14	1724	msiexec.exe
15	1724	msiexec.exe
16	1724	msiexec.exe
17	1724	msiexec.exe
18	1724	msiexec.exe
19	1724	msiexec.exe
20	1724	msiexec.exe
21	1724	msiexec.exe
22	1724	msiexec.exe
23	1724	msiexec.exe
24	1724	msiexec.exe
25	1724	msiexec.exe
26	1724	msiexec.exe
28	1724	msiexec.exe
29	1724	msiexec.exe
30	1724	msiexec.exe
32	1724	msiexec.exe
33	1724	msiexec.exe
34	1724	msiexec.exe
35	1724	msiexec.exe
36	1724	msiexec.exe
37	1724	msiexec.exe
38	1724	msiexec.exe
39	1724	msiexec.exe
40	1724	msiexec.exe
41	1724	msiexec.exe
42	1724	msiexec.exe
43	1724	msiexec.exe
44	1724	msiexec.exe
45	1724	msiexec.exe
46	1724	msiexec.exe
47	1724	msiexec.exe
48	1724	msiexec.exe
49	1724	msiexec.exe
50	1724	msiexec.exe
51	1724	msiexec.exe
52	1724	msiexec.exe
54	1724	msiexec.exe
55	1724	msiexec.exe
56	1724	msiexec.exe
58	1724	msiexec.exe
59	1724	msiexec.exe
60	1724	msiexec.exe
61	1724	msiexec.exe
62	1724	msiexec.exe
63	1724	msiexec.exe
64	1724	msiexec.exe
65	1724	msiexec.exe
66	1724	msiexec.exe
67	1724	msiexec.exe
68	1724	msiexec.exe
69	1724	msiexec.exe
70	1724	msiexec.exe
71	1724	msiexec.exe
72	1724	msiexec.exe
73	1724	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 1256 set thread context of 1724 1256 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1724 msiexec.exe
Token: SeSecurityPrivilege 1724 msiexec.exe

description	pid	process	target process
PID 1256 set thread context of 1724	1256	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	1724	msiexec.exe
Token: SeSecurityPrivilege	1724	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1888 wrote to memory of 1256	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1256	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1256	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1256	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1256	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1256	1888	rundll32.exe	rundll32.exe
PID 1888 wrote to memory of 1256	1888	rundll32.exe	rundll32.exe
PID 1256 wrote to memory of 1724	1256	rundll32.exe	msiexec.exe
PID 1256 wrote to memory of 1724	1256	rundll32.exe	msiexec.exe
PID 1256 wrote to memory of 1724	1256	rundll32.exe	msiexec.exe
PID 1256 wrote to memory of 1724	1256	rundll32.exe	msiexec.exe
PID 1256 wrote to memory of 1724	1256	rundll32.exe	msiexec.exe
PID 1256 wrote to memory of 1724	1256	rundll32.exe	msiexec.exe
PID 1256 wrote to memory of 1724	1256	rundll32.exe	msiexec.exe
PID 1256 wrote to memory of 1724	1256	rundll32.exe	msiexec.exe
PID 1256 wrote to memory of 1724	1256	rundll32.exe	msiexec.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd40fbd6619e2dff958bd5398b0c615921ffd28fe9410e933fe117bca2ed4f9c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd40fbd6619e2dff958bd5398b0c615921ffd28fe9410e933fe117bca2ed4f9c.dll,#1
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1256

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:1724

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/392-9-0x000007FEF6080000-0x000007FEF62FA000-memory.dmp

Filesize
2.5MB

Download
memory/1256-2-0x0000000000000000-mapping.dmp

Download
memory/1256-3-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/1256-4-0x0000000000210000-0x0000000000239000-memory.dmp

Filesize
164KB

Download
memory/1256-5-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/1724-6-0x0000000000000000-mapping.dmp

Download
memory/1724-8-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download

Analysis

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