zloader | 108e95cc87fc770ad5be670adda098b5990245278c6e51e9d9b0c1661551903b

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 38 IoCs

Processes:

msiexec.exe

flow	pid	process
16	3824	msiexec.exe
17	3824	msiexec.exe
18	3824	msiexec.exe
19	3824	msiexec.exe
20	3824	msiexec.exe
21	3824	msiexec.exe
23	3824	msiexec.exe
24	3824	msiexec.exe
25	3824	msiexec.exe
26	3824	msiexec.exe
27	3824	msiexec.exe
28	3824	msiexec.exe
30	3824	msiexec.exe
31	3824	msiexec.exe
32	3824	msiexec.exe
33	3824	msiexec.exe
34	3824	msiexec.exe
35	3824	msiexec.exe
37	3824	msiexec.exe
38	3824	msiexec.exe
39	3824	msiexec.exe
40	3824	msiexec.exe
41	3824	msiexec.exe
42	3824	msiexec.exe
44	3824	msiexec.exe
45	3824	msiexec.exe
46	3824	msiexec.exe
47	3824	msiexec.exe
48	3824	msiexec.exe
49	3824	msiexec.exe
51	3824	msiexec.exe
53	3824	msiexec.exe
54	3824	msiexec.exe
55	3824	msiexec.exe
56	3824	msiexec.exe
57	3824	msiexec.exe
58	3824	msiexec.exe
60	3824	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 396 set thread context of 3824 396 rundll32.exe msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 3824 msiexec.exe
Token: SeSecurityPrivilege 3824 msiexec.exe

description	pid	process	target process
PID 396 set thread context of 3824	396	rundll32.exe	msiexec.exe

description	pid	process
Token: SeSecurityPrivilege	3824	msiexec.exe
Token: SeSecurityPrivilege	3824	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 640 wrote to memory of 396	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 396	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 396	640	rundll32.exe	rundll32.exe
PID 396 wrote to memory of 3824	396	rundll32.exe	msiexec.exe
PID 396 wrote to memory of 3824	396	rundll32.exe	msiexec.exe
PID 396 wrote to memory of 3824	396	rundll32.exe	msiexec.exe
PID 396 wrote to memory of 3824	396	rundll32.exe	msiexec.exe
PID 396 wrote to memory of 3824	396	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:640

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:396

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:3824

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/396-2-0x0000000000000000-mapping.dmp

Download
memory/396-3-0x0000000002DF1000-0x0000000002E33000-memory.dmp

Filesize
264KB

Download
memory/396-4-0x0000000002DF0000-0x0000000002E19000-memory.dmp

Filesize
164KB

Download
memory/396-5-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

Filesize
4KB

Download
memory/3824-6-0x0000000000000000-mapping.dmp

Download
memory/3824-7-0x0000000000B30000-0x0000000000B59000-memory.dmp

Filesize
164KB

Download

Analysis

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